Camera system and camera recording system

Claim 2

A recording camera system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) lens mounts including: either separate compo­nents, one of which is used for imaging at one of said aspect ratios and the other of which is used for imag­ing at the other aspect ratio so that one of them may be selected for use by a user; or one component for imaging at one of said aspect ratios and another com­ponent made detachable with respect to the former com­ponent and having its aspect ratio changed for imaging at the other aspect ratio; (b) an image sensor adapted to be irradiated with the light from said lens mounts to convert it into an electric signal no matter which of said aspect ratios might be used for the imaging by said lens mounts; (c) a luminance color difference transformation cir­ cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (d) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (e) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (f) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (g) a recording amplifier for amplifying the output of said adder; (h) a video head for recording the output of said recording amplifier in a recording medium; (i) means for discriminating the aspect ratio at an imaging unit, adapted to discriminate the aspect ratio of an image being taken at said lens mounts to output the result as a logical signal; and (j) an electronic view finder for projecting the whole field angle of the image to be recorded in said VTR unit, to switch the degree of vertical or horizon­tal expansion of its displayed image, as observed from the outside of the system, in accordance with the level of said logical signal.

Claim 3

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording and playing-­back; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) lens mounts including: either separate compo­ nents, one of which is used for imaging at one of said aspect ratios and the other of which is used for imag­ing at the other aspect ratio so that one of them may be selected for use by a user; or one component for imaging at one of said aspect ratios and another com­ponent made detachable with respect to the former com­ponent and having its aspect ratio changed for imaging at the other aspect ratio; (b) an image sensor adapted to be irradiated with the light from said lens mounts to convert it into an electric signal no matter which of said aspect ratios might be used for the imaging by said lens mounts; (c) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (d) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (e) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said lumlnance color difference transformation circuit either into a subcarrier or­ thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulatlon signal determined in conformity to the VTR recording standards; (f) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (g) a recording amplifier for amplifying the output of said adder; (h) a video head made receptive of the output of said recording amplifier for recording it in a recording medium, when said VTR unit is in the recording state, and for playing back the signal from said recording medium when said VTR unit is in the play-back state; (i) a play-back amplifier for amplifying the play-­back signal output of said video head; (j) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; (k) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier or­thogonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; ( l ) means for discriminating the aspect ratio at an imaging unit, adapted to discriminate the aspect ratio of an image being taken at said lens mounts to output the result as a logical signal; and (m) an electronic view finder for projecting the whole field angle of the image to be recorded, when said VTR unit is in the stopped or recording state, to switch the degree of vertical or horizontal expansion of its displayed image, as observed from the outside of the system, in accordance with the level of said logical signal; and (n) a switching circuit for switching at least the input signal to said luminance signal recording pro­cessor circuit, when said VTR unit is in the stopped or recording state, and at least the output signal of said lumlnance signal play-back processor circuit when the same is in the play-back state.

Claim 4

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording and playing-­back; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) lens mounts including: either separate compo­ nents, one of which is used for imaging at one of said aspect ratios and the other of which is used for imag­ing at the other aspect ratio so that one of them may be selected for use by a user; or one component for imaging at one of said aspect ratios and another com­ponent made detachable with respect to the former com­ponent and having its aspect ratio changed for imaging at the other aspect ratio; (b) an image sensor adapted to be irradiated with the light from said lens mounts to convert it into an electric signal no matter which of said aspect ratios might be used for the imaging by said lens mounts; (c) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (d) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (e) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said lumlnance color difference transformation circuit either into a subcarrier or­ thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulatlon signal determined in conformity to the VTR recording standards; (f) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (g) a recording amplifier for amplifying the output of said adder; (h) a video head made receptive of the output of said recording amplifier for recording it in a recording medium, when said VTR unit is in the recording state, and for playing back the signal from said recording medium when said VTR unit is in the play-back state; (i) a play-back amplifier for amplifying the play-­back signal output of said video head; (j) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; (k) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier or­thogonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; ( l ) means for discriminating the aspect ratio at an imaging unit, adapted to discriminate the aspect ratio of an image being taken at said lens mounts to output the result as a logical signal; and (m) an electronic view finder for projecting the whole field angle of the image to be recorded, when said VTR unit is in the stopped or recording state, to switch the degree of vertical or horizontal expansion of its displayed image, as observed from the outside of the system, in accordance with the level of said logical signal; and (n) a switching circuit for switching at least the input signal to said luminance signal recording pro­cessor circuit, when said VTR unit is in the stopped or recording state, and at least the output signal of said lumlnance signal play-back processor circuit when the same is in the play-back state.

Claim 5

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording and playing-­back; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) lens mounts including: either separate compo­nents, one of which is used for imaging at one of said aspect ratios and the other of which is used for imag­ing at the other aspect ratio so that one of them may be selected for use by a user; or one component for imaging at one of said aspect ratios and another com­ponent made detachable with respect to the former com­ponent and having its aspect ratio changed for imaging at the other aspect ratio; (b) an image sensor adapted to be irradiated with the light from said lens mounts to convert it into an electric signal no matter which of said aspect ratios might be used for the imaging by said lens mounts; (c) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (d) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (e) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulatlon signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrler orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (f) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (g) a recording amplifier for ampllfying the output of said adder; (h) a video head made receptive of the output of said recording amplifier for recording it in a recording medium, when said VTR unit is in the recording state, and for playing back the signal from said recording medium when said VTR unit is in the play-back state; (i) a play-back amplifier for amplifying the play-­back signal output of said video head; (j) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; (k) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier ortho­gonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; ( l ) means for discriminating the aspect ratio at an imaging unit, adapted to discriminate the aspect ratio of an image being taken at said lens mounts to output the result as a first logical signal; and (m) an identification signal adder circuit for adding a signal for identifying the aspect ratio to one or both of the luminance signal and the chromaticity sig­ nal to be recorded in said VTR unit, in accordance with the level of said first logical signal; (n) an identification signal detector circuit for de­tecting the identification signal of said aspect ratio from one or both of the luminance signal and the chro­maticity signal played back in said VTR unit, to out­put it as a second logical signal indicating the as­pect ratio of the play-back signal; (o) an electronic view finder for projecting the whole field angle of an image to be taken, when said VTR unit is in the stopped or recording state, to switch the degree of vertical or horizontal expansions of the displayed image, as observed from the outside of the system, in accordance with the level of said first logical signal and, when said VTR unit is in the play-back state, to switch the degree of vertical or horizontal expansions of the displayed image, as ob­served from the outside of the system, in accordance with the level of said second logical signal; (p) a first switching circuit for switching and feed­ing at least the input signal of said luminance signal recording processor circuit to said electronic view finder, when said VTR unit is in the stopped or re­cording state, and at least the output signal of said luminance signal play-back processor circuit to said electronic view finder, when the same is in the play-­back state; and (q) a second switching circuit for switching and feeding said first logical signal, when said VTR unit is in the stopped or recording state, and said second logical signal, when the same is in the play-back state, to said electronic view finder.

Claim 6

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording and playing-­back; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) lens mounts including: either separate compo­nents, one of which is used for imaging at one of said aspect ratios and the other of which is used for imag­ing at the other aspect ratio so that one of them may be selected for use by a user; or one component for imaging at one of said aspect ratios and another com­ponent made detachable with respect to the former com­ponent and having its aspect ratio changed for imaging at the other aspect ratio; (b) an image sensor adapted to be irradiated with the light from said lens mounts to convert it into an electric signal no matter which of said aspect ratios might be used for the imaging by said lens mounts; (c) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (d) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (e) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulatlon signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrler orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (f) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (g) a recording amplifier for ampllfying the output of said adder; (h) a video head made receptive of the output of said recording amplifier for recording it in a recording medium, when said VTR unit is in the recording state, and for playing back the signal from said recording medium when said VTR unit is in the play-back state; (i) a play-back amplifier for amplifying the play-­back signal output of said video head; (j) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; (k) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier ortho­gonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; ( l ) means for discriminating the aspect ratio at an imaging unit, adapted to discriminate the aspect ratio of an image being taken at said lens mounts to output the result as a first logical signal; and (m) an identification signal adder circuit for adding a signal for identifying the aspect ratio to one or both of the luminance signal and the chromaticity sig­ nal to be recorded in said VTR unit, in accordance with the level of said first logical signal; (n) an identification signal detector circuit for de­tecting the identification signal of said aspect ratio from one or both of the luminance signal and the chro­maticity signal played back in said VTR unit, to out­put it as a second logical signal indicating the as­pect ratio of the play-back signal; (o) an electronic view finder for projecting the whole field angle of an image to be taken, when said VTR unit is in the stopped or recording state, to switch the degree of vertical or horizontal expansions of the displayed image, as observed from the outside of the system, in accordance with the level of said first logical signal and, when said VTR unit is in the play-back state, to switch the degree of vertical or horizontal expansions of the displayed image, as ob­served from the outside of the system, in accordance with the level of said second logical signal; (p) a first switching circuit for switching and feed­ing at least the input signal of said luminance signal recording processor circuit to said electronic view finder, when said VTR unit is in the stopped or re­cording state, and at least the output signal of said luminance signal play-back processor circuit to said electronic view finder, when the same is in the play-­back state; and (q) a second switching circuit for switching and feeding said first logical signal, when said VTR unit is in the stopped or recording state, and said second logical signal, when the same is in the play-back state, to said electronic view finder.

Claim 7

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording and playing-­back; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) lens mounts including: either separate compo­nents, one of which is used for imaging at one of said aspect ratios and the other of which is used for imag­ing at the other aspect ratio so that one of them may be selected for use by a user; or one component for imaging at one of said aspect ratios and another com­ponent made detachable with respect to the former com­ ponent and having its aspect ratio changed for imaging at the other aspect ratio; (b) an image sensor adapted to be irradiated with the light from said lens mounts to convert it into an electric signal no matter which of said aspect ratios might be used for the imaging by said lens mounts; (c) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (d) means for discriminating the aspect ratio at an imaging unit, adapted to discriminate the aspect ratio of an image being taken at said lens mounts to output the result as a first logical signal; (e) a luminance signal recording processor circuit made receptive of the output luminance signal of said luminance color difference transformation circuit for transforming it into an FM signal and made receptive of said first logical signal for increasing the car­rier frequency of said FM signal to a higher level for the signal processing at the aspect ratio of m : n than that at an aspect ratio of 4 : 3 in accordance with the level of said first logical signal; (f) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (g) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (h) a recording amplifier for amplifying the output of said adder; (i) a video head made receptive of the output of said recording amplifier for recording it in a recording medium, when said VTR unit is in the recording state, and for playing back the signal from said recording medium when said VTR unit is in the play-back state; (j) a play-back amplifier for amplifying the play-­back signal output of said video head; (k) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­ fier for demodulating the FM signal; ( l ) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier ortho­gonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (m) means for discriminating the aspect ratio of a play-back signal, made receptive of the output of said play-back amplifier for discriminating which of the aspect ratio of the play-back signal is at m : n or 4 : 3 on the basis of the carrier frequency of said FM signal to output a second logical signal indicating the discrimination result; (n) an electronic view finder for projecting the whole field angle of an image to be taken, when said VTR unit is in the stopped or recording state, to switch the degree of vertical or horizontal expansions of the displayed image, as observed from the outside of the system, in accordance with the level of said first logical signal and, when said VTR unit is in the play-back state, to switch the degree of vertical or horizontal expansions of the displayed image, as ob­ served from the outside of the system, in accordance with the level of said second logical signal; (o) a first switching circuit for switching and feed­ing at least the input signal of said luminance signal recording processor circuit to said electronic view finder, when said VTR unit is in the stopped or re­cording state, and at least the output signal of said luminance signal play-back processor circuit to said electronic view finder, when the same is in the play-­back state; and (p) a second switching circuit for switching and feeding said first logical signal, when said VTR unit is in the stopped or recording state, and said second logical signal, when the same is in the play-back state, to said electronic view finder.

Claim 8

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording and playing-­back; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) lens mounts including: either separate compo­nents, one of which is used for imaging at one of said aspect ratios and the other of which is used for imag­ing at the other aspect ratio so that one of them may be selected for use by a user; or one component for imaging at one of said aspect ratios and another com­ponent made detachable with respect to the former com­ ponent and having its aspect ratio changed for imaging at the other aspect ratio; (b) an image sensor adapted to be irradiated with the light from said lens mounts to convert it into an electric signal no matter which of said aspect ratios might be used for the imaging by said lens mounts; (c) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (d) means for discriminating the aspect ratio at an imaging unit, adapted to discriminate the aspect ratio of an image being taken at said lens mounts to output the result as a first logical signal; (e) a luminance signal recording processor circuit made receptive of the output luminance signal of said luminance color difference transformation circuit for transforming it into an FM signal and made receptive of said first logical signal for increasing the car­rier frequency of said FM signal to a higher level for the signal processing at the aspect ratio of m : n than that at an aspect ratio of 4 : 3 in accordance with the level of said first logical signal; (f) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (g) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (h) a recording amplifier for amplifying the output of said adder; (i) a video head made receptive of the output of said recording amplifier for recording it in a recording medium, when said VTR unit is in the recording state, and for playing back the signal from said recording medium when said VTR unit is in the play-back state; (j) a play-back amplifier for amplifying the play-­back signal output of said video head; (k) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­ fier for demodulating the FM signal; ( l ) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier ortho­gonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (m) means for discriminating the aspect ratio of a play-back signal, made receptive of the output of said play-back amplifier for discriminating which of the aspect ratio of the play-back signal is at m : n or 4 : 3 on the basis of the carrier frequency of said FM signal to output a second logical signal indicating the discrimination result; (n) an electronic view finder for projecting the whole field angle of an image to be taken, when said VTR unit is in the stopped or recording state, to switch the degree of vertical or horizontal expansions of the displayed image, as observed from the outside of the system, in accordance with the level of said first logical signal and, when said VTR unit is in the play-back state, to switch the degree of vertical or horizontal expansions of the displayed image, as ob­ served from the outside of the system, in accordance with the level of said second logical signal; (o) a first switching circuit for switching and feed­ing at least the input signal of said luminance signal recording processor circuit to said electronic view finder, when said VTR unit is in the stopped or re­cording state, and at least the output signal of said luminance signal play-back processor circuit to said electronic view finder, when the same is in the play-­back state; and (p) a second switching circuit for switching and feeding said first logical signal, when said VTR unit is in the stopped or recording state, and said second logical signal, when the same is in the play-back state, to said electronic view finder.

Claim 9

A camera recording system according to Claim 1, 2, 3 or 4, wherein said image sensor is a solid-state image sensor or an image tube adapted to be irradiated with the light from said lens mounts all over its face even in case said lens mounts are adapted for the im­aging at either of said aspect ratios.

Claim 10

A camera recording system according to Claim 1, 2, 3 or 4, wherein said image sensor is a solid-state image sensor having sensors in a number corresponding to the 625 scanning lines in the vertical direction of the image, of which the sensors corresponding to 525 scanning lines are irradiated with the light of said lens mounts all over their horizontal faces even in case said lens mounts are adapted for the imaging at either of said aspect ratios.

Claim 11

A recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a first change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a logical signal according to the result; (c) an image tube having its vertical and horizontal scanning ranges switched to scan the field angle cor­ responding to the aspect ratio of m : n or 4 : 3 in accordance with the level of said logical signal; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image tube into a luminance signal and two color difference signals; (e) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (f) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (g) an adder for adding the FM signal, i.e, the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­ tion signal, i.e., the output of said chromaticity signal recording processor circuit; (h) a recording amplifier for amplifying the output of said adder; (i) a video head for recording the output of said recording amplifier in a recording medium; and (j) an electronic view finder for projecting the whole field angle of the image to be recorded in said VTR unit, to switch the degree of vertical or horizon­tal expansion of its displayed image, as observed from the outside of the system, in accordance with the level of said logical signal.

Claim 12

A recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a first change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a logical signal according to the result; (c) an image tube having its vertical and horizontal scanning ranges switched to scan the field angle cor­ responding to the aspect ratio of m : n or 4 : 3 in accordance with the level of said logical signal; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image tube into a luminance signal and two color difference signals; (e) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (f) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (g) an adder for adding the FM signal, i.e, the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­ tion signal, i.e., the output of said chromaticity signal recording processor circuit; (h) a recording amplifier for amplifying the output of said adder; (i) a video head for recording the output of said recording amplifier in a recording medium; and (j) an electronic view finder for projecting the whole field angle of the image to be recorded in said VTR unit, to switch the degree of vertical or horizon­tal expansion of its displayed image, as observed from the outside of the system, in accordance with the level of said logical signal.

Claim 13

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording and playing-­back; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a logical signal according to the result; (c) an image tube having its vertical and horizontal scanning ranges switched to scan the field angle cor­responding to the aspect ratio of m : n or 4 : 3 in accordance with the level of said logical signal; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image tube into a luminance signal and two color difference signals; (e) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (f) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­ transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (g) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e, the output of said chromaticity signal recording processor circuit; (h) a recording amplifier for amplifying the output of said adder; (i) a video head made receptive of the output of said recording amplifier for recording it in a recording medium; (j) a play-back amplifier for amplifying the play-­back signal output of said video head; (k) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; ( l ) a chromatlcity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier or­thogonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (m) an electronic view finder for projecting the whole field angle of the image to be recorded, when said VTR unit is in the stopped or recording state, to switch the degree of vertical or horizontal expansion of its displayed image, as observed from the outside of the system, in accordance with the level of said logical signal; and (n) a switching circuit for switching at least the input signal to said luminance signal recording pro­cessor circuit, when said VTR unit is in the stopped or recording state, and at least the output signal of said luminance signal play-back processor circuit when the same is in the play-back state.

Claim 14

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording and playing-­back; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a logical signal according to the result; (c) an image tube having its vertical and horizontal scanning ranges switched to scan the field angle cor­responding to the aspect ratio of m : n or 4 : 3 in accordance with the level of said logical signal; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image tube into a luminance signal and two color difference signals; (e) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (f) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­ transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (g) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e, the output of said chromaticity signal recording processor circuit; (h) a recording amplifier for amplifying the output of said adder; (i) a video head made receptive of the output of said recording amplifier for recording it in a recording medium; (j) a play-back amplifier for amplifying the play-­back signal output of said video head; (k) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; ( l ) a chromatlcity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier or­thogonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (m) an electronic view finder for projecting the whole field angle of the image to be recorded, when said VTR unit is in the stopped or recording state, to switch the degree of vertical or horizontal expansion of its displayed image, as observed from the outside of the system, in accordance with the level of said logical signal; and (n) a switching circuit for switching at least the input signal to said luminance signal recording pro­cessor circuit, when said VTR unit is in the stopped or recording state, and at least the output signal of said luminance signal play-back processor circuit when the same is in the play-back state.

Claim 15

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording and playing-­back; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 3 is used for the imaging, to output a first logical signal according to the result; (c) an image tube having its vertical and horizontal scanning ranges switched to scan the field angle cor­responding to the aspect ratio of m : n or 4 : 3 in accordance with the level of said first logical signal; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image tube into a luminance signal and two color difference signals; (e) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (f) a chromaticlty signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (g) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (h) a recording amplifier for amplifying the output of said adder; (i) a video head made receptive of the output of said recording amplifier for recording it in a recording medium, when said VTR unit is in the recording state, and for playing back the signal from said recording medium when said VTR unit is in the play-back state; (j) a play-back amplifier for amplifying the play-­back signal output of said video head; (k) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; ( l ) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­ fier for frequency-transforming the subcarrier ortho­gonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (m) an identification signal adder circuit for adding a signal for identifying the aspect ratio to one or both of the luminance signal and the chromaticity sig­nal to be recorded in said VTR unit, in accordance with the level of said first logical signal; (n) an identification signal detector circuit for detecting the identification signal of said aspect ratio from one or both of the luminance signal and the chromatlcity signal played back in said VTR unit, to output it as a second logical signal indicating the aspect ratio of the play-back signal; (o) an electronic view finder for projecting the whole field angle of an image to be taken, when said VTR unit is in the stopped or recording state, to switch the degree of vertical or horizontal expansions of the displayed image, as observed from the outside of the system, in accordance with the level of said first logical signal and, when said VTR unit is in the play-back state, to switch the degree of vertical or horizontal expansions of the displayed image, as ob­served from the outside of the system, in accordance with the level of said second logical signal; (p) a first switching circuit for switching and feed­ing at least the input signal of said luminance signal recording processor circuit to said electronic view finder, when said VTR unit is in the stopped or re­cording state, and at least the output signal of said luminance signal play-back processor circuit to said electronic view finder, when the same is in the play-­back state; and (q) a second switching circuit for switching and feeding said first logical signal, when said VTR unit is in the stopped or recording state, and said second logical signal, when the same is in the play-back state, to said electronic view finder.

Claim 16

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording and playing-­back; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 3 is used for the imaging, to output a first logical signal according to the result; (c) an image tube having its vertical and horizontal scanning ranges switched to scan the field angle cor­responding to the aspect ratio of m : n or 4 : 3 in accordance with the level of said first logical signal; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image tube into a luminance signal and two color difference signals; (e) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (f) a chromaticlty signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (g) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (h) a recording amplifier for amplifying the output of said adder; (i) a video head made receptive of the output of said recording amplifier for recording it in a recording medium, when said VTR unit is in the recording state, and for playing back the signal from said recording medium when said VTR unit is in the play-back state; (j) a play-back amplifier for amplifying the play-­back signal output of said video head; (k) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; ( l ) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­ fier for frequency-transforming the subcarrier ortho­gonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (m) an identification signal adder circuit for adding a signal for identifying the aspect ratio to one or both of the luminance signal and the chromaticity sig­nal to be recorded in said VTR unit, in accordance with the level of said first logical signal; (n) an identification signal detector circuit for detecting the identification signal of said aspect ratio from one or both of the luminance signal and the chromatlcity signal played back in said VTR unit, to output it as a second logical signal indicating the aspect ratio of the play-back signal; (o) an electronic view finder for projecting the whole field angle of an image to be taken, when said VTR unit is in the stopped or recording state, to switch the degree of vertical or horizontal expansions of the displayed image, as observed from the outside of the system, in accordance with the level of said first logical signal and, when said VTR unit is in the play-back state, to switch the degree of vertical or horizontal expansions of the displayed image, as ob­served from the outside of the system, in accordance with the level of said second logical signal; (p) a first switching circuit for switching and feed­ing at least the input signal of said luminance signal recording processor circuit to said electronic view finder, when said VTR unit is in the stopped or re­cording state, and at least the output signal of said luminance signal play-back processor circuit to said electronic view finder, when the same is in the play-­back state; and (q) a second switching circuit for switching and feeding said first logical signal, when said VTR unit is in the stopped or recording state, and said second logical signal, when the same is in the play-back state, to said electronic view finder.

Claim 17

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording and playing-­back; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a first change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a first logi­cal signal according to the result; (c) an image tube having its vertical and horizontal scanning ranges switched to scan the field angle cor­responding to the aspect ratio of m : n or 4 : 3 in accordance with the level of said first logical sig­nal; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (e) a luminance signal recording processor circuit made receptive of the output luminance signal of said luminance color difference transformation circuit for transforming it into an FM signal and made receptive of said first logical signal for increasing the car­rier frequency of said FM signal to a higher level for the signal processing at the aspect ratio of m : n than that at an aspect ratio of 4 : 3 in accordance with the level of said first logical signal; (f) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (g) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (h) a recording amplifier for ampllfying the output of said adder; (i) a video head made receptive of the output of said recording amplifier for recording it in a recording medium, when said VTR unit is in the recording state, and for playing back the signal from said recording medium when said VTR unit is in the play-back state; (j) a play-back amplifier for amplifying the play-­ back signal output of said video head; (k) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; ( l ) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier ortho­gonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (m) means for discriminating the aspect ratio of a play-back signal, made receptive of the output of said play-back amplifier for discriminating which of the aspect ratio of the play-back signal is at m : n or 4 3 on the basis of the carrier frequency of said FM signal to output a second logical signal indicating the discrimination result; (n) an electronic view finder for projecting the whole field angle of an image to be taken, when said VTR unit is in the stopped or recording state, to switch the degree of vertical or horizontal expansions of the displayed image, as observed from the outside of the system, in accordance with the level of said first logical signal and, when said VTR unit is in the play-back state, to switch the degree of vertical or horizontal expansions of the displayed image, as ob­served from the outside of the system, in accordance with the level of said second logical signal; (o) a first switching circuit for switching and feed­ing at least the input signal of said luminance signal recording processor circuit to said electronic view finder, when said VTR unit is in the stopped or re­cording state, and at least the output signal of said luminance signal play-back processor circuit to said electronic view finder, when the same is in the play-­back state; and (p) a second switching circuit for switching and feeding said first logical signal, when said VTR unit is in the stopped or recording state, and said second logical signal, when the same is in the play-back state, to said electronic view finder.

Claim 18

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording and playing-­back; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a first change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a first logi­cal signal according to the result; (c) an image tube having its vertical and horizontal scanning ranges switched to scan the field angle cor­responding to the aspect ratio of m : n or 4 : 3 in accordance with the level of said first logical sig­nal; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (e) a luminance signal recording processor circuit made receptive of the output luminance signal of said luminance color difference transformation circuit for transforming it into an FM signal and made receptive of said first logical signal for increasing the car­rier frequency of said FM signal to a higher level for the signal processing at the aspect ratio of m : n than that at an aspect ratio of 4 : 3 in accordance with the level of said first logical signal; (f) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (g) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (h) a recording amplifier for ampllfying the output of said adder; (i) a video head made receptive of the output of said recording amplifier for recording it in a recording medium, when said VTR unit is in the recording state, and for playing back the signal from said recording medium when said VTR unit is in the play-back state; (j) a play-back amplifier for amplifying the play-­ back signal output of said video head; (k) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; ( l ) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier ortho­gonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (m) means for discriminating the aspect ratio of a play-back signal, made receptive of the output of said play-back amplifier for discriminating which of the aspect ratio of the play-back signal is at m : n or 4 3 on the basis of the carrier frequency of said FM signal to output a second logical signal indicating the discrimination result; (n) an electronic view finder for projecting the whole field angle of an image to be taken, when said VTR unit is in the stopped or recording state, to switch the degree of vertical or horizontal expansions of the displayed image, as observed from the outside of the system, in accordance with the level of said first logical signal and, when said VTR unit is in the play-back state, to switch the degree of vertical or horizontal expansions of the displayed image, as ob­served from the outside of the system, in accordance with the level of said second logical signal; (o) a first switching circuit for switching and feed­ing at least the input signal of said luminance signal recording processor circuit to said electronic view finder, when said VTR unit is in the stopped or re­cording state, and at least the output signal of said luminance signal play-back processor circuit to said electronic view finder, when the same is in the play-­back state; and (p) a second switching circuit for switching and feeding said first logical signal, when said VTR unit is in the stopped or recording state, and said second logical signal, when the same is in the play-back state, to said electronic view finder.

Claim 19

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object there through and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a logical signal according to the result; (c) an image sensor including a solid-state image sensor or an image tube adapted to be irradiated with the light of said lens mount all over its whole plane to convert it into an electric signal based upon the aspect ratio of m : n; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (e) an expander circuit made receptive of the output of said luminance color difference transformation cir­cuit and said logical circuit for passing the output of said luminance color difference transformation cir­cuit as it is, when in the imaging at the aspect ratio of m : n, and for expanding the horizontal center por­tion 4n/3m of the image to 3m/4n times on the time axis with the horizontal period being unchanged, to output the expanded one when in the imaging at the aspect ratio of 4 : 3; (f) a luminance signal recording processor circuit for transforming the output luminance signal of said lumlnance color difference transformation circuit into an FM signal determined in conformity to the VTR recording standards; (g) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrler orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (h) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (i) a recording amplifier for amplifying the output of said adder; (j) a video head for recroding the output of said recording amplifier in a recording medium; and (k) an electronic view finder including either: a display unit corresponding to the aspect ratio of m : n and fed with both at least the luminance sig­nal of the output of said luminance color difference transformation circuit and said logical signal for projecting them as they are, when in the imaging at the aspect ratio of m : n, and for either blanking those portions outside of the horizontal field angle, which are established due to the difference in the aspect ratio or displaying lines indicating the ends of the field angle, when in the imaging at the aspect ratio of 4 : 3, both in accordance with the signal level; or a display unit corresponding to the aspect ratio of 4 : 3 and fed with both at least the luminance sig­nal of the output of said expander circuit and said logical signal for projecting them with the vertical scanning width narrowed to 4n/3m, when in the imaging at the aspect ratio of m : n, and for projecting them as they are, when in the imaging at the aspect ratio of 4 : 3, both in accordance with the signal level.

Claim 20

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object there through and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a logical signal according to the result; (c) an image sensor including a solid-state image sensor or an image tube adapted to be irradiated with the light of said lens mount all over its whole plane to convert it into an electric signal based upon the aspect ratio of m : n; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (e) an expander circuit made receptive of the output of said luminance color difference transformation cir­cuit and said logical circuit for passing the output of said luminance color difference transformation cir­cuit as it is, when in the imaging at the aspect ratio of m : n, and for expanding the horizontal center por­tion 4n/3m of the image to 3m/4n times on the time axis with the horizontal period being unchanged, to output the expanded one when in the imaging at the aspect ratio of 4 : 3; (f) a luminance signal recording processor circuit for transforming the output luminance signal of said lumlnance color difference transformation circuit into an FM signal determined in conformity to the VTR recording standards; (g) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrler orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (h) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (i) a recording amplifier for amplifying the output of said adder; (j) a video head for recroding the output of said recording amplifier in a recording medium; and (k) an electronic view finder including either: a display unit corresponding to the aspect ratio of m : n and fed with both at least the luminance sig­nal of the output of said luminance color difference transformation circuit and said logical signal for projecting them as they are, when in the imaging at the aspect ratio of m : n, and for either blanking those portions outside of the horizontal field angle, which are established due to the difference in the aspect ratio or displaying lines indicating the ends of the field angle, when in the imaging at the aspect ratio of 4 : 3, both in accordance with the signal level; or a display unit corresponding to the aspect ratio of 4 : 3 and fed with both at least the luminance sig­nal of the output of said expander circuit and said logical signal for projecting them with the vertical scanning width narrowed to 4n/3m, when in the imaging at the aspect ratio of m : n, and for projecting them as they are, when in the imaging at the aspect ratio of 4 : 3, both in accordance with the signal level.

Claim 21

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 3 is used for the imaging, to output a logical signal according to the result; (c) an image sensor including a solid-state image sensor or an image tube adapted to be irradiated with the light of said lens mount all over its whole plane to convert it into an electric signal based upon the aspect ratio of m : n; d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (e) an expander circuit made receptive of the output of said luminance color difference transformation cir­cuit and said logical circuit for passing the output of said luminance color difference transformation cir­cuit as it is, when in the imaging at the aspect ratio of m : n, and for expanding the horizontal center por­tion 4n/3m of the image to 3m/4n times on the time axis with the horizontal period being unchanged, to output the expanded one when in the imaging at the aspect ratio of 4 : 3; (f) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (g) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (h) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (i) a recording amplifier for amplifying the output of said adder; (j) a video head for recording the output of said re­cording amplifier in a recording medium; (k) a play-back amplifier for amplifying the play-­back signal output of said video head; ( l ) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; (m) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier or­thogonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (n) an electronic view finder including either: a display unit corresponding to the aspect ratio of m : n and fed with both at least the luminance sig­ nal of the output of said luminance color difference transformation circuit and said logical signal, when said VTR unit is in the stopped or recording state, for projecting them as they are, in the imaging case at the aspect ratio of m : n, and for either blanking those portions outside of the horizontal field angle, which are established due to the difference in the aspect ratio or displaying lines indicating the ends of the field angle, in the imaging case at the aspect ratio of 4 : 3, both in accordance with the signal level, and, when said VTR unit is in the play-back state, for projecting the signal at the aspect ratio of m : n as it is, in case it is played back, in ac­cordance with the level of said logical circuit and for switching the degree of the vertical or horizontal expansion of the displayed image, as viewed from the outside of the system, in case the signal at the as­pect ratio of 4 : 3 is played back; or a display unit corresponding to the aspect ratio of 4 : 3 and fed with both at least the luminance sig­nal of the output of said expander circuit and said logical.signal, when said VTR unit is in the play-back state, for projecting them with the vertical scanning width narrowed to 4n/3m, in the imaging case at the aspect ratio of m : n, and for projecting them as they are, in the imaging case at the aspect ratio of 4 : 3, both in accordance with the signal level, and, when said VTR unit is in the play-back state, for project­ing them with the vertical scanning width narrowed to 4n/3m, in the play-back case at the aspect ratio of m n, and for projecting them as they are, in the play-­back case at the aspect ratio of 4 : 3, both in ac­cordance with the level of said logical signal; and (o) a switching circuit for switching at least the lumlnance signal of the output of said luminance color difference transformation circuit, when said VTR unit is in the stopped or recording state, and at least the output signal of said luminance signal play-back processor circuit when the same is in the play-back state.

Claim 22

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 3 is used for the imaging, to output a logical signal according to the result; (c) an image sensor including a solid-state image sensor or an image tube adapted to be irradiated with the light of said lens mount all over its whole plane to convert it into an electric signal based upon the aspect ratio of m : n; d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (e) an expander circuit made receptive of the output of said luminance color difference transformation cir­cuit and said logical circuit for passing the output of said luminance color difference transformation cir­cuit as it is, when in the imaging at the aspect ratio of m : n, and for expanding the horizontal center por­tion 4n/3m of the image to 3m/4n times on the time axis with the horizontal period being unchanged, to output the expanded one when in the imaging at the aspect ratio of 4 : 3; (f) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (g) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (h) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (i) a recording amplifier for amplifying the output of said adder; (j) a video head for recording the output of said re­cording amplifier in a recording medium; (k) a play-back amplifier for amplifying the play-­back signal output of said video head; ( l ) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; (m) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier or­thogonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (n) an electronic view finder including either: a display unit corresponding to the aspect ratio of m : n and fed with both at least the luminance sig­ nal of the output of said luminance color difference transformation circuit and said logical signal, when said VTR unit is in the stopped or recording state, for projecting them as they are, in the imaging case at the aspect ratio of m : n, and for either blanking those portions outside of the horizontal field angle, which are established due to the difference in the aspect ratio or displaying lines indicating the ends of the field angle, in the imaging case at the aspect ratio of 4 : 3, both in accordance with the signal level, and, when said VTR unit is in the play-back state, for projecting the signal at the aspect ratio of m : n as it is, in case it is played back, in ac­cordance with the level of said logical circuit and for switching the degree of the vertical or horizontal expansion of the displayed image, as viewed from the outside of the system, in case the signal at the as­pect ratio of 4 : 3 is played back; or a display unit corresponding to the aspect ratio of 4 : 3 and fed with both at least the luminance sig­nal of the output of said expander circuit and said logical.signal, when said VTR unit is in the play-back state, for projecting them with the vertical scanning width narrowed to 4n/3m, in the imaging case at the aspect ratio of m : n, and for projecting them as they are, in the imaging case at the aspect ratio of 4 : 3, both in accordance with the signal level, and, when said VTR unit is in the play-back state, for project­ing them with the vertical scanning width narrowed to 4n/3m, in the play-back case at the aspect ratio of m n, and for projecting them as they are, in the play-­back case at the aspect ratio of 4 : 3, both in ac­cordance with the level of said logical signal; and (o) a switching circuit for switching at least the lumlnance signal of the output of said luminance color difference transformation circuit, when said VTR unit is in the stopped or recording state, and at least the output signal of said luminance signal play-back processor circuit when the same is in the play-back state.

Claim 23

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording; and a view finder unit capable of monitoring an image, (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 3 is used for the imaging, to output a first logical signal according to the result; (c) an image sensor including a solid-state image sensor or an image tube adapted to be irradiated with the light of said lens mount all over its whole plane to convert it into an electric signal based upon the aspect ratio of m : n; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (e) an expander circuit made receptive of the output of said luminance color difference transformation cir­cuit and said logical circuit for passing the output of said luminance color difference transformation cir­cuit as it is, when in the imaging at the aspect ratio of m : n, and for expanding the horizontal center por­tion 4n/3m of the image to 3m/4n times on the time axis with the horizontal period being unchanged, to output the expanded one when in the imaging at the aspect ratio of 4 : 3; (f) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (g) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (h) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (i) a recording amplifier for amplifying the output of said adder; (j) a video head for recording the output of said recording amplifier in a recording medium; (k) a play-back amplifier for amplifying the play-­ back signal output of said video head; ( l ) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; (m) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier ortho­gonal two-phase modulatlon signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (n) an identification signal adder circuit for adding a signal for identifying the aspect ratio to one or both of the luminance signal and the chromaticity sig­nal to be recorded in said VTR unit, in accordance with the level of said first logical signal; (o) an identification signal detector circuit for detecting the identification signal of said aspect ratio from one or both of the luminance signal and the chromaticity signal played back in said VTR unit, to output it as a second logical signal indicating the aspect ratio of the play-back signal; (p) an electronic view finder including either: a display unit corresponding to the aspect ratio of m : n and fed with both at least the luminance sig­nal of the output of said luminance color difference transformation circuit and said first logical signal, when said VTR unit is in the stopped or recording state, for projecting them as they are, in the imaging case at the aspect ratio of m : n, and for either blanking those portions outside of the horizontal field angle, which are established due to the dif­ference in the aspect ratio or displaying lines in­dicating the ends of the field angle, in the imaging case at the aspect ratio of 4 : 3, both in accordance with the signal level, and, when said VTR unit is in the play-back state, for projecting the signal at the aspect ratio of m : n as it is, in case it is played back, in accordance with the level of said second logical circuit and for switching the degree of the vertical or horizontal expansion of the displayed image, as viewed from the outside of the system, in case the signal at the aspect ratio of 4 : 3 is played back; or a display unit corresponding to the aspect ratio of 4 : 3 and fed with both at least the luminance sig­nal of the output of said expander circuit and said first logical signal, when said VTR unit is in the play-back state, for projecting them with the vertical scanning width narrowed to 4n/3m, in the imaging case at the aspect ratio of m : n, and for projecting them as they are, in the imaging case at the aspect ratio of 4 : 3, both in accordance with the signal level, and, when said VTR unit is in the play-back state, for projecting them with the vertical scanning width nar­rowed to 4n/3m, in the play-back case at the aspect ratio of m : n, and for projecting them as they are, in the play-back case at the aspect ratio of 4 : 3, both in accordance with the level of said second logi­cal signal; (q) a first switching circuit for switching and feed­ing at least the input signal of said luminance signal recording processor circuit to said electronic view finder, when said VTR unit is in the stopped or re­cording state, and at least the output signal of said luminance signal play-back processor circuit to said electronic view finder, when the same is in the play-­back state; and (r) a second switching circuit for switching and feeding said first logical signal, when said VTR unit is in the stopped or recording state, and said second logical signal, when the same is in the play-back state, to said electronic view finder.

Claim 24

A camera recording system comprising: a camera unit capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording; and a view finder unit capable of monitoring an image, (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 3 is used for the imaging, to output a first logical signal according to the result; (c) an image sensor including a solid-state image sensor or an image tube adapted to be irradiated with the light of said lens mount all over its whole plane to convert it into an electric signal based upon the aspect ratio of m : n; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (e) an expander circuit made receptive of the output of said luminance color difference transformation cir­cuit and said logical circuit for passing the output of said luminance color difference transformation cir­cuit as it is, when in the imaging at the aspect ratio of m : n, and for expanding the horizontal center por­tion 4n/3m of the image to 3m/4n times on the time axis with the horizontal period being unchanged, to output the expanded one when in the imaging at the aspect ratio of 4 : 3; (f) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (g) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier or­thogonal two-phase modulation signal determined the VTR recording standards or into a subcarrier ortho­gonal two-phase modulation signal determined in con­formity to the TV standards and then to frequency-­transform the same into a subcarrier orthogonal two-­phase modulation signal determined in conformity to the VTR recording standards; (h) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticity signal recording processor circuit; (i) a recording amplifier for amplifying the output of said adder; (j) a video head for recording the output of said recording amplifier in a recording medium; (k) a play-back amplifier for amplifying the play-­ back signal output of said video head; ( l ) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; (m) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrier ortho­gonal two-phase modulatlon signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (n) an identification signal adder circuit for adding a signal for identifying the aspect ratio to one or both of the luminance signal and the chromaticity sig­nal to be recorded in said VTR unit, in accordance with the level of said first logical signal; (o) an identification signal detector circuit for detecting the identification signal of said aspect ratio from one or both of the luminance signal and the chromaticity signal played back in said VTR unit, to output it as a second logical signal indicating the aspect ratio of the play-back signal; (p) an electronic view finder including either: a display unit corresponding to the aspect ratio of m : n and fed with both at least the luminance sig­nal of the output of said luminance color difference transformation circuit and said first logical signal, when said VTR unit is in the stopped or recording state, for projecting them as they are, in the imaging case at the aspect ratio of m : n, and for either blanking those portions outside of the horizontal field angle, which are established due to the dif­ference in the aspect ratio or displaying lines in­dicating the ends of the field angle, in the imaging case at the aspect ratio of 4 : 3, both in accordance with the signal level, and, when said VTR unit is in the play-back state, for projecting the signal at the aspect ratio of m : n as it is, in case it is played back, in accordance with the level of said second logical circuit and for switching the degree of the vertical or horizontal expansion of the displayed image, as viewed from the outside of the system, in case the signal at the aspect ratio of 4 : 3 is played back; or a display unit corresponding to the aspect ratio of 4 : 3 and fed with both at least the luminance sig­nal of the output of said expander circuit and said first logical signal, when said VTR unit is in the play-back state, for projecting them with the vertical scanning width narrowed to 4n/3m, in the imaging case at the aspect ratio of m : n, and for projecting them as they are, in the imaging case at the aspect ratio of 4 : 3, both in accordance with the signal level, and, when said VTR unit is in the play-back state, for projecting them with the vertical scanning width nar­rowed to 4n/3m, in the play-back case at the aspect ratio of m : n, and for projecting them as they are, in the play-back case at the aspect ratio of 4 : 3, both in accordance with the level of said second logi­cal signal; (q) a first switching circuit for switching and feed­ing at least the input signal of said luminance signal recording processor circuit to said electronic view finder, when said VTR unit is in the stopped or re­cording state, and at least the output signal of said luminance signal play-back processor circuit to said electronic view finder, when the same is in the play-­back state; and (r) a second switching circuit for switching and feeding said first logical signal, when said VTR unit is in the stopped or recording state, and said second logical signal, when the same is in the play-back state, to said electronic view finder.

Claim 25

A recording system comprising: a camera unit cap­able of selectively imaging an image having an aspect ratio a ratio between the horizontal length and ver­tical length of a frame - of 4 : 3 as in the NTSC sys­tem and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a first logical signal according to the result; (c) an image sensor including a solid-state image sensor or an image tube adapted to be irradiated with the light of said lens mount all over its whole plane to convert it into an electric signal based upon the aspect ratio of m : n; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (e) an expander circuit made receptive of the output of said luminance color difference transformation cir­cuit and said logical circuit for passing the output of said luminance color difference transformation cir­cuit as it is, when in the imaging at the aspect ratio of m : n, and for expanding the horizontal center por­tion 4n/3m of the image to 3m/4n times on the time axis with the horizontal period being unchanged, to output the expanded one when in the imaging at the aspect ratio of 4 : 3; (f) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (g) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier ortho­gonal two-phase modulatlon signal determined the VTR recording standards or into a subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards and then to frequency-transform the same into a subcarrier orthogonal two-phase modu­lation signal determined in conformity to the VTR re­cording standards; (h) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticlty signal recording processor circuit; (i) a recording amplifier for amplifying the output of said adder; (j) a video head for recording the output of said recording amplifier in a recording medium; (k) a play-back amplifier for amplifying the play-­back signal output of said video head; ( l ) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; (m) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrler ortho­gonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (n) means for discriminating the aspect ratio of a play-back signal, made receptive of the output of said play-back amplifier for discriminating which of the aspect ratio of the play-back signal is at m : n or 4 : 3 on the basis of the carrier frequency of said FM signal to output a second logical signal indicating the discrimination result; (o) an electronic view finder including either: a display unit corresponding to the aspect ratio of m : n and fed with both at least the luminance sig­nal of the output of said luminance color difference transformation circuit and said first logical signal, when said VTR unit is in the stopped or recording state, for projecting them as they are, in the imag­ing case at the aspect ratio of m : n, and for either blanking those portions outside of the horizontal field angle, which are established due to the dif­ference in the aspect ratio or displaying lines in­dicating the ends of the field angle, in the imaging case at the aspect ratio of 4 : 3, both in accordance with the signal level, and, when said VTR unit is in the play-back state, for projecting the signal at the aspect ratio of m : n as it is, in case it is played back, in accordance with the level of said second logical circuit and for switching the degree of the vertical or horizontal expansion of the displayed image, as viewed from the outside of the system, in case the signal at the aspect ratio of 4 : 3 is played back; or a display unit corresponding to the aspect ratio of 4 : 3 and fed with both at least the luminance sig­nal of the output of said expander circuit and said first logical signal, when said VTR unit is in the play-back state, for projecting them with the vertical scanning width narrowed to 4n/3m, in the imaging case at the aspect ratio of m : n, and for projecting them as they are, in the imaging case at the aspect ratio of 4 : 3, both in accordance with the signal level, and, when said VTR unit is in the play-back state, for projecting them with the vertical scanning width nar­rowed to 4n/3m, in the play-back case at the aspect ratio of m : n, and for projecting them as they are, in the play-back case at the aspect ratio of 4 : 3, both in accordance with the level of said second logi­cal signal; (p) a first switching circuit for switching and feed­ing at least the input signal of said luminance signal recording processor circuit to said electronic view finder, when said VTR unit is in the stopped or re­cording state, and at least the output signal of said luminance signal play-back processor circuit to said electronic view finder, when the same is in the play-­back state; and (q) a second switching circuit for switching and feeding said first logical signal, when said VTR unit is in the stopped or recording state, and said second logical signal, when the same is in the play-back state, to said electronic view finder.

Claim 26

A recording system comprising: a camera unit cap­able of selectively imaging an image having an aspect ratio a ratio between the horizontal length and ver­tical length of a frame - of 4 : 3 as in the NTSC sys­tem and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; a VTR unit capable of recording; and a view finder unit capable of monitoring an image, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a first logical signal according to the result; (c) an image sensor including a solid-state image sensor or an image tube adapted to be irradiated with the light of said lens mount all over its whole plane to convert it into an electric signal based upon the aspect ratio of m : n; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (e) an expander circuit made receptive of the output of said luminance color difference transformation cir­cuit and said logical circuit for passing the output of said luminance color difference transformation cir­cuit as it is, when in the imaging at the aspect ratio of m : n, and for expanding the horizontal center por­tion 4n/3m of the image to 3m/4n times on the time axis with the horizontal period being unchanged, to output the expanded one when in the imaging at the aspect ratio of 4 : 3; (f) a luminance signal recording processor circuit for transforming the output luminance signal of said luminance color difference transformation circuit into an FM signal determined in conformity to the VTR re­cording standards; (g) a chromaticity signal recording processor circuit adapted to transform the two color difference signals, i.e., the output of said luminance color difference transformation circuit either into a subcarrier ortho­gonal two-phase modulatlon signal determined the VTR recording standards or into a subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards and then to frequency-transform the same into a subcarrier orthogonal two-phase modu­lation signal determined in conformity to the VTR re­cording standards; (h) an adder for adding the FM signal, i.e., the out­put of said luminance signal recording processor cir­cuit and the subcarrier orthogonal two-phase modula­tion signal, i.e., the output of said chromaticlty signal recording processor circuit; (i) a recording amplifier for amplifying the output of said adder; (j) a video head for recording the output of said recording amplifier in a recording medium; (k) a play-back amplifier for amplifying the play-­back signal output of said video head; ( l ) a luminance signal play-back processor circuit made receptive of the output of said play-back ampli­fier for demodulating the FM signal; (m) a chromaticity signal play-back processor circuit made receptive of the output of said play-back ampli­fier for frequency-transforming the subcarrler ortho­gonal two-phase modulation signal of two color dif­ference signals determined in conformity to the VTR recording standards into the subcarrier orthogonal two-phase modulation signal determined in conformity to the TV standards; (n) means for discriminating the aspect ratio of a play-back signal, made receptive of the output of said play-back amplifier for discriminating which of the aspect ratio of the play-back signal is at m : n or 4 : 3 on the basis of the carrier frequency of said FM signal to output a second logical signal indicating the discrimination result; (o) an electronic view finder including either: a display unit corresponding to the aspect ratio of m : n and fed with both at least the luminance sig­nal of the output of said luminance color difference transformation circuit and said first logical signal, when said VTR unit is in the stopped or recording state, for projecting them as they are, in the imag­ing case at the aspect ratio of m : n, and for either blanking those portions outside of the horizontal field angle, which are established due to the dif­ference in the aspect ratio or displaying lines in­dicating the ends of the field angle, in the imaging case at the aspect ratio of 4 : 3, both in accordance with the signal level, and, when said VTR unit is in the play-back state, for projecting the signal at the aspect ratio of m : n as it is, in case it is played back, in accordance with the level of said second logical circuit and for switching the degree of the vertical or horizontal expansion of the displayed image, as viewed from the outside of the system, in case the signal at the aspect ratio of 4 : 3 is played back; or a display unit corresponding to the aspect ratio of 4 : 3 and fed with both at least the luminance sig­nal of the output of said expander circuit and said first logical signal, when said VTR unit is in the play-back state, for projecting them with the vertical scanning width narrowed to 4n/3m, in the imaging case at the aspect ratio of m : n, and for projecting them as they are, in the imaging case at the aspect ratio of 4 : 3, both in accordance with the signal level, and, when said VTR unit is in the play-back state, for projecting them with the vertical scanning width nar­rowed to 4n/3m, in the play-back case at the aspect ratio of m : n, and for projecting them as they are, in the play-back case at the aspect ratio of 4 : 3, both in accordance with the level of said second logi­cal signal; (p) a first switching circuit for switching and feed­ing at least the input signal of said luminance signal recording processor circuit to said electronic view finder, when said VTR unit is in the stopped or re­cording state, and at least the output signal of said luminance signal play-back processor circuit to said electronic view finder, when the same is in the play-­back state; and (q) a second switching circuit for switching and feeding said first logical signal, when said VTR unit is in the stopped or recording state, and said second logical signal, when the same is in the play-back state, to said electronic view finder.

Claim 27

A camera recording system according to Claim 1, 2, 7, 8, 11 or 12, wherein either or both of said luminance signal recording processor circuit and said chromatlcity signal recording processor circuit add a signal for identifying the aspect ratio in accordance with the level of the logical level indicating the aspect ratio at said image unit.

Claim 28

A camera recording system according to Claim 1, 2, 7, 8, 11 or 12, wherein said luminance signal re­cording processor circuit increases the carrier fre­quency of the FM signal to a higher level, when in the processing of the signal at the aspect ratio of m : n, than that of the processing of the signal at the as­pect ratio of 4 : 3 in accordance with the level of the logical signal indicating the aspect ratio at said image unit.

Claim 29

A camera recording system according to any of Claims 1 to 4 and 7 to 14, wherein said electronic view finder has at its display portion a function to display which of said aspect ratios is used for the imaging.

Claim 30

A camera recording system comprising: (a) a camera capable of selectively imaging an image having an aspect ratio - a ratio between the horizon­tal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizon­tally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; (b) a VTR for recording the output image signal of said camera; and (c) a view finder capable of projecting at least an image to be taken over its whole field angle, no mat­ter which of said aspect ratios might be used for the imaging.

Claim 31

A camera recording system comprising: (a) a camera capable of selectively imaging an image having an aspect ratio - a ratio between the horizon­tal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizon­tally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; (b) a VTR for recording the output image signal of said camera; and (c) a view finder capable of projecting at least an image to be taken over its whole field angle, no mat­ter which of said aspect ratios might be used for the imaging.

Claim 32

A camera recording system according to Claim 18, wherein said view finder is an optical view finder having a function to indicate which of said aspect ratios is used for the imaging, or the field angle of the imaging.

Claim 33

A camera recording system according to Claim 18, wherein said view finder is an electronic view finder having a function to indicate at its display portion which of said aspect ratios is used for the imaging.

Claim 34

A camera recording system according to Claim 18, wherein said view finder is an electronic view finder having its degree of vertical or horizontal expansion of its displayed image switched in accordance with the aspect ratio of the image to be taken by said camera.

Claim 35

A camera recording system according to any of Claims 1 to 4, 7 to 14 and 18, further comprising an output terminal for outputting to the outside a logi­cal signal indicating the aspect ratio of a signal being imaged or played back.

Claim 36

A camera system capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having.a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio, (a) lens mounts including: either separate compo­nents, one of which is used for imaging at one of said aspect ratios and the other of which is used for imag­ing at the other aspect ratio so that one of them may be selected for use by a user; or one component for imaging at one of said aspect ratios and another com­ponent made detachable with respect to the former com­ponent and having its aspect ratio changed for imaging at the other aspect ratio; (b) an image sensor adapted to be irradiated with the light from said lens mounts to convert it into an electric signal no matter which of said aspect ratios might be used for the imaging by said lens mounts; (c) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color dif­ference signals; (d) means for discriminating the aspect ratio at an imaging unit, adapted to discriminate the aspect ratio of an image being taken at said lens mounts to output the result as a logical signal; and (e) an electronic view finder for projecting the whole field angle of the image to be recorded in said VTR unit, to switch the degree of vertical or horizon­tal expansion of its displayed image, as observed from the outside of the system, in accordance with the level of said logical signal.

Claim 37

A camera system capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having.a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio, (a) lens mounts including: either separate compo­nents, one of which is used for imaging at one of said aspect ratios and the other of which is used for imag­ing at the other aspect ratio so that one of them may be selected for use by a user; or one component for imaging at one of said aspect ratios and another com­ponent made detachable with respect to the former com­ponent and having its aspect ratio changed for imaging at the other aspect ratio; (b) an image sensor adapted to be irradiated with the light from said lens mounts to convert it into an electric signal no matter which of said aspect ratios might be used for the imaging by said lens mounts; (c) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color dif­ference signals; (d) means for discriminating the aspect ratio at an imaging unit, adapted to discriminate the aspect ratio of an image being taken at said lens mounts to output the result as a logical signal; and (e) an electronic view finder for projecting the whole field angle of the image to be recorded in said VTR unit, to switch the degree of vertical or horizon­tal expansion of its displayed image, as observed from the outside of the system, in accordance with the level of said logical signal.

Claim 38

A camera system according to Claim 23, wherein said image sensor is a solid-state image sensor or an image tube adapted to be irradiated with the light from said lens mounts all over its face even in case said lens mounts are adapted for the imaging at either of said aspect ratios.

Claim 39

A camera system according to Claim 23, wherein said image sensor is a solid-state image sensor having sensors in a number corresponding to the 625 scanning lines in the vertical direction of the image, of which the sensors corresponding to 525 scanning lines are irradiated with the light of said lens mounts all over their horizontal faces even in case said lens mounts are adapted for the imaging at either of said aspect ratios.

Claim 40

A camera system capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a first change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a logical signal according to the result; (c) an image tube having its vertical and horizontal scanning ranges switched to scan the field angle cor­responding to the aspect ratio of m : n or 4 : 3 in accordance with the level of said logical signal; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; and (e) an electronic view finder for projecting the whole field angle of the image to be recorded in said VTR unit, to switch the degree of vertical or horizon­tal expansion of its displayed image, as observed from the outside of the system, in accordance with the level of said logical signal.

Claim 41

A camera system capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a first change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a logical signal according to the result; (c) an image tube having its vertical and horizontal scanning ranges switched to scan the field angle cor­responding to the aspect ratio of m : n or 4 : 3 in accordance with the level of said logical signal; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; and (e) an electronic view finder for projecting the whole field angle of the image to be recorded in said VTR unit, to switch the degree of vertical or horizon­tal expansion of its displayed image, as observed from the outside of the system, in accordance with the level of said logical signal.

Claim 42

A camera system capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a logical signal according to the result; c) an image sensor including a solid-state image sensor or an image tube adapted to be irradiated with the light of said lens mount all over its whole plane to convert it into an electric signal based upon the aspect ratio of m : n; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (e) an expander circuit made receptive of the output of said luminance color difference transformation cir­cuit and said logical circuit for passing the output of said luminance color difference transformation cir­cuit as it is, when in the imaging at the aspect ratio of m : n, and for expanding the horizontal center por­tion 4n/3m of the image to 3m/4n times on the time axis with the horizontal period being unchanged, to output the expanded one when in the imaging at the aspect ratio of 4 : 3; and (f) an electronic view finder including either: a display unit corresponding to the aspect ratio of m : n and fed with both at least the luminance sig­nal of the output of said luminance color difference transformation circuit and said logical signal for projecting them as they are, when in the imaging at the aspect ratio of m : n, and for either blanking those portions outside of the horizontal field angle, which are established due to the difference in the aspect ratio or displaying lines indicating the ends of the field angle, when in the imaging at the aspect ratio of 4 : 3, both in accordance with the signal level; or a display unit corresponding to the aspect ratio of 4 : 3 and fed with both at least the luminance sig­nal of the output of said expander circuit and said logical signal for projecting them with the vertical scanning width narrowed to 4n/3m, when in the imaging at the aspect ratio of m : n, and for projecting them as they are, when in the imaging at the aspect ratio of 4 : 3, both in accordance with the signal level.

Claim 43

A camera system capable of selectively imaging an image having an aspect ratio - a ratio between the horizontal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizontally longer aspect ratio of m : n (m/n > 4/3) than the former ratio, wherein the improvement comprises: (a) a lens mount for passing the light from an object therethrough and focusing it; (b) a change-over switch operated by the user for selecting which of the aspect ratios of m : n and 4 : 3 is used for the imaging, to output a logical signal according to the result; c) an image sensor including a solid-state image sensor or an image tube adapted to be irradiated with the light of said lens mount all over its whole plane to convert it into an electric signal based upon the aspect ratio of m : n; (d) a luminance color difference transformation cir­cuit for transforming the output signal of said image sensor into a luminance signal and two color differ­ence signals; (e) an expander circuit made receptive of the output of said luminance color difference transformation cir­cuit and said logical circuit for passing the output of said luminance color difference transformation cir­cuit as it is, when in the imaging at the aspect ratio of m : n, and for expanding the horizontal center por­tion 4n/3m of the image to 3m/4n times on the time axis with the horizontal period being unchanged, to output the expanded one when in the imaging at the aspect ratio of 4 : 3; and (f) an electronic view finder including either: a display unit corresponding to the aspect ratio of m : n and fed with both at least the luminance sig­nal of the output of said luminance color difference transformation circuit and said logical signal for projecting them as they are, when in the imaging at the aspect ratio of m : n, and for either blanking those portions outside of the horizontal field angle, which are established due to the difference in the aspect ratio or displaying lines indicating the ends of the field angle, when in the imaging at the aspect ratio of 4 : 3, both in accordance with the signal level; or a display unit corresponding to the aspect ratio of 4 : 3 and fed with both at least the luminance sig­nal of the output of said expander circuit and said logical signal for projecting them with the vertical scanning width narrowed to 4n/3m, when in the imaging at the aspect ratio of m : n, and for projecting them as they are, when in the imaging at the aspect ratio of 4 : 3, both in accordance with the signal level.

Claim 44

A camera system comprising: (a) a camera capable of selectively imaging an image having an aspect ratio - a ratio between the horizon­tal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizon­tally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; and (b) a view finder capable of projecting at least an image to be taken over its whole field angle, no mat­ter which of said aspect ratios might be used for the imaging.

Claim 45

A camera system comprising: (a) a camera capable of selectively imaging an image having an aspect ratio - a ratio between the horizon­tal length and vertical length of a frame - of 4 : 3 as in the NTSC system and an image having a horizon­tally longer aspect ratio of m : n (m/n > 4/3) than the former ratio; and (b) a view finder capable of projecting at least an image to be taken over its whole field angle, no mat­ter which of said aspect ratios might be used for the imaging.

Claim 46

A camera recording system according to Claim 28, wherein said view finder is an optical view finder having a function to indicate which of said aspect ratios is used for the imaging, or the field angle of the imaging.

Claim 47

A camera recording system according to Claim 28, wherein said view finder is an electronic view finder having a function to indicate at its display portion which of said aspect ratios is used for the imaging.

Claim 48

A camera recording system according to Claim 28, wherein said view finder is an electronic view finder having its degree of vertical or horizontal expansion of its displayed image switched in accordance with the aspect ratio of the image to be taken by said camera.

Claim 49

A camera system according to Claim 23, 26, 27 or 28, further comprising an output terminal for output­ting to the outside a logical signal indicating the aspect ratio of the signal being imaged.