Light beam scanning system

Details Light beam scanning system Light beam scanning system

1975-10-16

1976-12-21

Habecker, Thomas B.

Facsimile and static presentation processing

Facsimile

Recording apparatus

346 76L, 358285, H04N 584

Patent

active

039990109

ABSTRACT:
In a laser beam scanning system for recording information on a recording material employing a rotating mirror, a photodetector is provided to receive a laser beam in the start position of rasters. The photodetector supplies a synchronizing signal for making a synchronization between the laser beam scanning and a video signal supplied to a light modulator to modulate the laser beam. The frequency of base clock pulses is several times as large as that of the video clock pulses, whereby the start positions of the effective rasters on the recording material are aligned with each other.

REFERENCES:
patent: 3922714 (1975-11-01), Delarie

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