Dubbing system

Claim 2

A dubbing system for copying a tape recording medium on which an amount of information signals of a given period of time are recorded in each of many tracks having different azimuth angles between adjacent tracks, comprising: a reproducing apparatus arranged to cause a first tape recording medium to travel a distance corresponding to N tracks (N: an integer which is at least 2) per said given period of time and to reproduce, during said given period of time, said information signals being recorded in N adjacent tracks on said first tape recording medium by using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state; and a recording apparatus arranged to cause a second tape recording medium to travel a distance corresponding to N tracks per said given period of time and which records said information signals onto N adjacent tracks on said second tape recording medium during said given period of time by using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state.

Claim 3

A system according to claim 1, wherein said reproducing apparatus is arranged to reproduce, with said N rotary heads, information signals recorded in said N tracks by taking a period of time shorter than said given period of time, and wherein said recording apparatus is arranged to form said N tracks by taking a period of time shorter than said given period of time with said N rotary heads.

Claim 4

A system according to claim 1, wherein said reproducing apparatus has a dubbing mode in which each of said N rotary heads reproduces a one-track amount of information signals per said given period of time, and a normal reproducing mode in which each of said N rotary heads reproduces a one-track amount of information signals per a period of time which is N times as long as said given period of time.

Claim 5

A system according to claim 3, wherein said reproducing apparatus comprises an actuator arranged to shift positions of said N rotary heads in a direction of an axis of rotation thereof, and control means for causing said actuator to shift the positions of said N rotary heads in the direction of the axis of rotation in said dubbing mode.

Claim 6

A system according to claim 1, wherein said recording apparatus has a dubbing mode in which each of said N rotary heads records a one-track amount of information signals per said given period of time, and a normal recording mode in which each of said N rotary heads records a one-track amount of information signals per a period of time which is N times as long as said given period of time.

Claim 7

A system according to claim 5, wherein said recording apparatus comprises an actuator arranged to shift positions of said N rotary heads in a direction of an axis of rotation thereof, and control means for causing said actuator to shift the positions of said N rotary heads in the direction of the axis of rotation in said dubbing mode.

Claim 8

A dubbing system for copying a tape recording medium on which an amount of time-base-compressed information signals of a given period of time are recorded in each of many tracks having different azimuth angles between adjacent tracks, comprising: a reproducing apparatus wherein N rotary heads (N: an integer which is at least 2) which have different azimuth angles between adjacent heads and are disposed in a closely adjacent state are used for reproducing said time-base-compressed information signals from N adjacent tracks formed on a first tape recording medium, all of said time-base-compressed information signals recorded in said N adjacent tracks being reproduced at substantially the same time, wherein the time period for reproducing said information signals from said N adjacent tracks is shorter than said given period of time; and a recording apparatus wherein said time-base-compressed information signals are supplied to N rotary heads which have different azimuth angles between adjacent heads and are disposed in a closely adjacent state are used for recording said time-base-compressed information signals onto N adjacent tracks on a second tape recording medium, all of said time-base-compressed information signals being recorded onto said N adjacent tracks substantially at the same time.

Claim 9

A dubbing system for copying a tape recording medium on which an amount of time-base-compressed information signals of a given period of time are recorded in each of many tracks having different azimuth angles between adjacent tracks, comprising: a reproducing apparatus wherein N rotary heads (N: an integer which is at least 2) which have different azimuth angles between adjacent heads and are disposed in a closely adjacent state are used for reproducing said time-base-compressed information signals from N adjacent tracks formed on a first tape recording medium, all of said time-base-compressed information signals recorded in said N adjacent tracks being reproduced at substantially the same time, wherein the time period for reproducing said information signals from said N adjacent tracks is shorter than said given period of time; and a recording apparatus wherein said time-base-compressed information signals are supplied to N rotary heads which have different azimuth angles between adjacent heads and are disposed in a closely adjacent state are used for recording said time-base-compressed information signals onto N adjacent tracks on a second tape recording medium, all of said time-base-compressed information signals being recorded onto said N adjacent tracks substantially at the same time.

Claim 10

A dubbing system for copying a tape recording medium on which an amount of information signals of a given period of time are recorded in each of many tracks having different azimuth angles between adjacent tracks, comprising: a reproducing apparatus arranged to cause a first tape recording medium to travel a distance corresponding to N tracks (N: an integer which is at least 2) per said given period of time and to reproduce, during said given period of time, said information signals being recorded in N adjacent tracks on said first tape recording medium by using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state, said reproducing apparatus including tracking control means for controlling positions of said N rotary heads relative to said first tape recording medium by using only signals reproduced by a predetermined rotary head of said N rotary heads; and a recording apparatus arranged to cause a second tape recording medium to travel a distance corresponding to N tracks per said given period of time and which records using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state said information signals onto N adjacent tracks on said second tape recording medium during said given period of time.

Claim 11

A dubbing system for copying a tape recording medium on which an amount of information signals of a given period of time are recorded in each of many tracks having different azimuth angles between adjacent tracks, comprising: a reproducing apparatus arranged to cause a first tape recording medium to travel a distance corresponding to N tracks (N: an integer which is at least 2) per said given period of time and to reproduce, during said given period of time, said information signals being recorded in N adjacent tracks on said first tape recording medium by using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state, said reproducing apparatus including tracking control means for controlling positions of said N rotary heads relative to said first tape recording medium by using only signals reproduced by a predetermined rotary head of said N rotary heads; and a recording apparatus arranged to cause a second tape recording medium to travel a distance corresponding to N tracks per said given period of time and which records using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state said information signals onto N adjacent tracks on said second tape recording medium during said given period of time.

Claim 12

A system according to claim 8, wherein said reproducing apparatus is arranged to reproduce, with said N rotary heads, information signals recorded in said N tracks by taking a period of time shorter than said given period of time, and wherein said recording apparatus is arranged to form said N tracks by taking a period of time shorter than said given period of time with said N rotary heads.

Claim 13

A system according to claim 8, wherein pilot signals of a plurality of kinds having different frequencies are recorded in rotation in a respective one of many tracks formed on said tape recording medium, and wherein said tracking control means is arranged to control the relative positions of said N rotary heads by using the pilot signals reproduced by said predetermined rotary head.

Claim 14

A dubbing system for copying a tape recording medium on which an amount of information signals of a given period of time are recorded in each of many tracks having different azimuth angles between adjacent tracks, comprising: a reproducing apparatus wherein N rotary heads (N: an integer which is at least 2) which have different azimuth angles between adjacent heads and are disposed in a closely adjacent state are used for reproducing information signals from N adjacent tracks formed on a first tape recording medium, wherein all of said time-base-compressed information signals recorded in said N adjacent tracks are reproduced at substantially the same time; and a recording apparatus wherein said information signals are supplied via N equalizers to N rotary heads which have different azimuth angles between adjacent heads and are disposed in a closely adjacent state, and the signals supplied via said N equalizers are recorded onto N adjacent tracks of said second tape recording medium, all of said time-base-compressed information signals being recorded onto said N adjacent tracks substantially at the same time.

Claim 15

A dubbing system for copying a tape recording medium on which an amount of information signals of a given period of time are recorded in each of many tracks having different azimuth angles between adjacent tracks, comprising: a reproducing apparatus wherein N rotary heads (N: an integer which is at least 2) which have different azimuth angles between adjacent heads and are disposed in a closely adjacent state are used for reproducing information signals from N adjacent tracks formed on a first tape recording medium, wherein all of said time-base-compressed information signals recorded in said N adjacent tracks are reproduced at substantially the same time; and a recording apparatus wherein said information signals are supplied via N equalizers to N rotary heads which have different azimuth angles between adjacent heads and are disposed in a closely adjacent state, and the signals supplied via said N equalizers are recorded onto N adjacent tracks of said second tape recording medium, all of said time-base-compressed information signals being recorded onto said N adjacent tracks substantially at the same time.

Claim 16

A system according to claim 11, wherein said recording apparatus is provided with a discrimination circuit for discriminating a kind of said second tape recording medium, and wherein characteristics of said N equalizers are changed over according to an output of said discrimination circuit.

Claim 17

A system according to claim 11, wherein said reproducing apparatus is arranged to reproduce, with said N rotary heads, said N channel signals from said N tracks by taking a period of time shorter than said given period of time, and wherein said recording apparatus is arranged such that an amount of said N channel signals for said N tracks are recorded in tracks with said N rotary heads by taking a period of time shorter than said given period of time.

Claim 18

An information signal reproducing apparatus for copying a first tape recording medium on which an amount of information signals of a given period of time are recorded in each of many tracks having different azimuth angles between adjacent tracks on the tape recording medium, comprising: (a) transporting means for transporting the first tape recording medium a distance corresponding to N tracks (N: an integer which is at least 2) per said given period of time; (b) reproducing means for reproducing the information signals recorded in N adjacent tracks on the first tape recording medium transported by said transporting means by using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state during said given period of time; and (c) output means for outputting the information signals to a recording apparatus; said recording apparatus being arranged to cause a second tape recording medium to travel a distance corresponding to N tracks per said given period of time and which records the information signals onto N adjacent tracks on the second tape recording medium during said given period of time by using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state.

Claim 19

An information signal reproducing apparatus for copying a first tape recording medium on which an amount of information signals of a given period of time are recorded in each of many tracks having different azimuth angles between adjacent tracks on the tape recording medium, comprising: (a) transporting means for transporting the first tape recording medium a distance corresponding to N tracks (N: an integer which is at least 2) per said given period of time; (b) reproducing means for reproducing the information signals recorded in N adjacent tracks on the first tape recording medium transported by said transporting means by using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state during said given period of time; and (c) output means for outputting the information signals to a recording apparatus; said recording apparatus being arranged to cause a second tape recording medium to travel a distance corresponding to N tracks per said given period of time and which records the information signals onto N adjacent tracks on the second tape recording medium during said given period of time by using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state.

Claim 20

An apparatus according to claim 14, wherein said reproducing apparatus has a dubbing mode in which each of said N rotary heads reproduces a one-track amount of information signals per said given period of time, and a normal reproducing mode in which each of said N rotary heads reproduces a one track amount of information signals during a period of time which is N times as long as said given period of time.

Claim 21

An apparatus according to claim 15, wherein said reproducing apparatus is further comprised of an actuator arranged to shift positions of said N rotary heads in a direction of an axis of rotation thereof, and control means for causing said actuator to shift the positions of said N rotary heads in the direction of the axis of rotation in said dubbing mode.

Claim 22

An apparatus according to claim 14, wherein said reproducing means includes a tracking control circuit for controlling positions of said N rotary heads relative to the tape recording medium transported by said transporting means.

Claim 23

An apparatus according to claim 17, wherein said reproducing apparatus is further comprised of plural kinds of pilot signals arranged to be recorded in said tracks on the tape recording medium in a multiplexed state with the information signals, and wherein the tracking control circuit controls the positions of said N rotary heads by using the pilot signals.

Claim 24

An information signal recording apparatus for copying a first tape recording medium on which an amount of information signals of a given period of time are recorded in each of many tracks having different azimuth angles between adjacent tracks, comprising: (a) input means for inputting the information signals from a reproducing apparatus, said reproducing apparatus arranged to cause the first tape recording medium to travel a distance corresponding to N tracks (N: an integer which is at least 2) per said given period of time and to reproduce, during said given period of time, said information signals recorded in N adjacent tracks on the first tape recording medium by using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state; (b) transporting means for transporting a second tape recording medium a distance corresponding to N tracks per said given period of time; and (c) recording means for recording the information signals input from said input means onto N adjacent tracks on the second tape recording medium transported by said transporting means during said given period of time by using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state.

Claim 25

An information signal recording apparatus for copying a first tape recording medium on which an amount of information signals of a given period of time are recorded in each of many tracks having different azimuth angles between adjacent tracks, comprising: (a) input means for inputting the information signals from a reproducing apparatus, said reproducing apparatus arranged to cause the first tape recording medium to travel a distance corresponding to N tracks (N: an integer which is at least 2) per said given period of time and to reproduce, during said given period of time, said information signals recorded in N adjacent tracks on the first tape recording medium by using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state; (b) transporting means for transporting a second tape recording medium a distance corresponding to N tracks per said given period of time; and (c) recording means for recording the information signals input from said input means onto N adjacent tracks on the second tape recording medium transported by said transporting means during said given period of time by using N rotary heads which are arranged to have different azimuth angles between adjacent heads and are disposed in a closely adjacent state.

Claim 26

An apparatus according to claim 19, wherein said recording apparatus has a dubbing mode in which each of said N rotary heads records a one-track amount of information signals per said given period of time, and a normal recording mode in which each of said N rotary heads records a one-track amount of information signals per a period of time which is N times as long as said given period of time.

Claim 27

An apparatus according to claim 20, wherein said recording apparatus is further comprised of an actuator arranged to shift positions of said N rotary heads in a direction of an axis of rotation thereof, and control means for causing said actuator to shift positions of said N rotary heads in the direction of the axis of rotation in said dubbing mode.

Claim 28

An apparatus according to claim 19, further comprising equalizing means comprising N equalizers for equalizing the information signals input from said input means and for supplying the information signals to said recording means, wherein said recording means records the information signals supplied by said equalizing means.

Claim 29

An apparatus according to claim 19, further comprising pilot signal generating means for generating plural kinds of pilot signals having different frequencies, wherein said recording means records the pilot signals onto said tracks in a multiplexed state with the information signals.

Claim 32

A method according to claim 24, wherein positions of said N rotary heads relative to the first tape recording medium are controlled.

Claim 33

A method according to claim 25, wherein plural kinds of pilot signals are recorded in said tracks on the first tape recording medium in a multiplexed state with the information signals, and the positions of said N rotary heads are controlled by using the pilot signals.

Claim 34

A method according to claim 24, further comprising the step of equalizing the information signals reproduced from the first tape recording medium.

Claim 35

A method according to claim 24, further comprising the step of generating plural kinds of pilot signals having different frequencies wherein the pilot signals are recorded onto said tracks in a multiplexed state with the information signals.