Beam recorder with scan position control

Claim 2

A recording apparatus comprising: beam generating means for generating a beam; scanning means for causing said beam generated by said beam generating means to scan at intervals corresponding to a recording direction along a recording medium, thereby to record an image on the recording medium; and control means for controlling drive timing and said scanning means so as to adjust a recording position on the recording medium of said image, the recording position being adjusted at an interval shorter than the scanning interval of said beam.

Claim 3

A recording apparatus according to claim 1, wherein said scanning means comprises deflection means for deflecting said beam, a motor for driving said deflecting means, and driving means for driving said motor on the basis of a predetermined clock signal, and said controlling means is adapted to adjust a phase of said clock signal and control said drive timing of said scanning means.

Claim 4

A recording apparatus according to claim 1, wherein said beam generating means has first and second beam generating sections, said scanning means has first and second scanning sections for allowing said first and second beams generated by said first and second beam generating sections to effect scanning independently, and wherein said recording medium is constituted by first and second photosensitive bodies which are respectively irradiated with said first and second beams made to scan from said first and second scanning sections, said apparatus further comprising means for recording first and second images formed on said first and second photosensitive bodies onto a common sheet.

Claim 5

A recording apparatus according to claim 3, further comprising first and second detecting means for independently detecting scanning positions of said first and second beams in said first and second scanning sections and for defining recording positions on said first and second photosensitive bodies, said controlling means controlling at least a drive timing of said first scanning section on the basis of said first and second detection signals.

Claim 6

A recording apparatus according to claim 3, further comprising deviation amount detecting means for detecting an amount of deviation of said first and second images recorded by said recording means, wherein said first and second scanning sections comprise first and second deflecting sections for deflecting said first and second beams, first and second motors for driving said first and second deflecting sections, and first and second driving sections for driving said first and second motors on the basis of first and second clock signals, and said controlling means is adapted to adjust the phase of said second clock with respect to said first clock in accordance with the result of detection by said deviation amount detecting means.

Claim 7

A recording apparatus comprising: beam generating means for generating a beam; scanning means for scanning a recording medium at intervals corresponding to a recording direction along the recording medium with said beam and for outputting a detection signal for defining a recording position on said recording medium; means for adjusting an output timing of said detection signal from said detecting means; and control means for controlling drive timing of said scanning means so as to adjust the recording position on the recording medium, the recording position being adjusted at an interval shorter than the scanning interval of said beam.

Claim 8

A recording apparatus comprising: beam generating means for generating a beam; scanning means for scanning a recording medium at intervals corresponding to a recording direction along the recording medium with said beam and for outputting a detection signal for defining a recording position on said recording medium; means for adjusting an output timing of said detection signal from said detecting means; and control means for controlling drive timing of said scanning means so as to adjust the recording position on the recording medium, the recording position being adjusted at an interval shorter than the scanning interval of said beam.

Claim 9

A recording apparatus according to claim 6, wherein said scanning means comprises deflecting means for deflecting said beam, a motor for driving said deflecting means, and driving means for driving said motor on the basis of a predetermined clock signal, and said adjusting means is adapted to adjust a phase of said clock signal and an output timing of said detection signal.

Claim 10

A recording apparatus according to claim 6, wherein said beam generating means has first and second beam generating sections, said scanning means has first and second scanning sections for allowing said first and second beams generated by said first and second beam generating sections to effect scanning independently, and said recording medium is constituted by first and second photosensitive bodies which are respectively irradiated with said first and second beams made to scan from said first and second scanning sections, said apparatus further comprising means for recording first and second images formed on said first and second photosensitive bodies onto a common sheet.

Claim 11

A recording apparatus comprising: beam generating means for generating a beam; scanning means for scanning a recording medium with said beam generated by said beam generating means; detecting means for detecting a position scanned by said scanning means with said beam and for outputting a detection signal for defining a recording position on said recording medium; means for adjusting an output timing of said detection signal from said detecting means; said beam generating means having first and second beam generating sections, said scanning means having first and second scanning sections for allowing said first and second beams generated by said first and second beam generating sections to effect scanning independently, and said recording medium being constituted by first and second photosensitive bodies which are respectively irradiated with said first and second beams made to scan from said first and second scanning sections; means for recording first and second images formed on said first and second photosensitive bodies onto a common sheet; and deviation amount detecting means for detecting an amount of deviation of said first and second images recorded by said recording means, wherein said first and second scanning sections comprise first and second deflecting sections for deflecting said first and second beams, first and second motors for driving said first and second deflecting sections, and first and second driving sections for driving said first and second motors on the basis of first and second clock signals, and said adjusting means is adapted to adjust the phase of said second clock with respect to said first clock in accordance with the result of detection by said deviation amount detecting means and to adjust an output timing of said detection signal.

Claim 12

A recording apparatus comprising: beam generating means for generating a beam; scanning means for scanning a recording medium with said beam generated by said beam generating means; detecting means for detecting a position scanned by said scanning means with said beam and for outputting a detection signal for defining a recording position on said recording medium; means for adjusting an output timing of said detection signal from said detecting means; said beam generating means having first and second beam generating sections, said scanning means having first and second scanning sections for allowing said first and second beams generated by said first and second beam generating sections to effect scanning independently, and said recording medium being constituted by first and second photosensitive bodies which are respectively irradiated with said first and second beams made to scan from said first and second scanning sections; means for recording first and second images formed on said first and second photosensitive bodies onto a common sheet; and deviation amount detecting means for detecting an amount of deviation of said first and second images recorded by said recording means, wherein said first and second scanning sections comprise first and second deflecting sections for deflecting said first and second beams, first and second motors for driving said first and second deflecting sections, and first and second driving sections for driving said first and second motors on the basis of first and second clock signals, and said adjusting means is adapted to adjust the phase of said second clock with respect to said first clock in accordance with the result of detection by said deviation amount detecting means and to adjust an output timing of said detection signal.

Claim 13

A recording apparatus comprising: beam generating means for generating a beam; scanning means for scanning a recording medium with the beam generated by said beam generating means, said scanning means having deflecting means for deflecting said beam, a motor for driving said deflecting means, and driving means for driving said motor on the basis of a predetermined clock signal; deviation amount detecting means for detecting an amount of deviation of an image formed on said recording medium; and controlling means for controlling a phase of said clock signal in accordance with the amount of deviation detected by said detecting means.

Claim 14

A recording apparatus comprising: beam generating means for generating a beam; scanning means for scanning a recording medium with the beam generated by said beam generating means, said scanning means having deflecting means for deflecting said beam, a motor for driving said deflecting means, and driving means for driving said motor on the basis of a predetermined clock signal; deviation amount detecting means for detecting an amount of deviation of an image formed on said recording medium; and controlling means for controlling a phase of said clock signal in accordance with the amount of deviation detected by said detecting means.

Claim 15

A recording apparatus comprising: a plurality of image forming stations, including first and second image forming stations, each of said image forming stations effecting image formation by scanning at intervals relative to a recording direction; feed means for feeding a recording medium from said first image forming station to said second image forming station; and synchronizing means for synchronizing said first image forming station and said second image forming station so that corresponding image portions are substantially superposed, said synchronizing means controlling relative scanning position in said first and second image forming stations, the scanning position being controlled at an interval shorter than the scanning interval.

Claim 16

A recording apparatus comprising: a plurality of image forming stations, including first and second image forming stations, each of said image forming stations effecting image formation by scanning at intervals relative to a recording direction; feed means for feeding a recording medium from said first image forming station to said second image forming station; and synchronizing means for synchronizing said first image forming station and said second image forming station so that corresponding image portions are substantially superposed, said synchronizing means controlling relative scanning position in said first and second image forming stations, the scanning position being controlled at an interval shorter than the scanning interval.

Claim 17

A recording apparatus according to claim 10, wherein said beam generating means has first and second beam generating sections, said scanning means has first and second scanning sections for allowing said first and second beams generated by said first and second beam generating sections to effect scanning independently, and wherein said recording medium is constituted by first and second photosensitive bodies which are respectively irradiated with said first and second beams made to scan from said first and second scanning sections, said apparatus further comprising means for recording first and second images formed on said first and second photosensitive bodies onto a common sheet.

Claim 18

A recording apparatus comprising: recording means for recording at least two different images each from other on a recording medium, each of said different images being recorded at predetermined recording intervals relative to a recording direction; a feeder which is caused to feed the recording medium on which said two different images are produced; adjusting means for adjusting a relative position of said two different images, the relative position being adjusted at an interval shorter than the predetermined recording interval.

Claim 19

A recording apparatus comprising: recording means for recording at least two different images each from other on a recording medium, each of said different images being recorded at predetermined recording intervals relative to a recording direction; a feeder which is caused to feed the recording medium on which said two different images are produced; adjusting means for adjusting a relative position of said two different images, the relative position being adjusted at an interval shorter than the predetermined recording interval.

Claim 20

A recording apparatus according to claim 13, wherein said recording means has at least two recording stations, each station effecting recording one of said two different images.

Claim 21

A recording apparatus according to claim 13, wherein said recording means is caused to record different color images.

Claim 22

A recording apparatus according to claim 13, further comprising a detector for detecting the relative position and for outputting a detection signal for defining the relative position, wherein said adjusting means adjusts the relative positions in response to the detection signal.