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Title: Light beam scanning system

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.


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Inventors: Oosaka, Shigenori (Asaka, JA)
Ohnishi, Masahiro (Asaka, JA)

Application Number: 623263
Filing Date: 1975-10-16
Publication_date: 1976-12-21
Assignee: Fuji Photo Film Co., Ltd. (Minami-ashigara, JA)
Primary Class(es): 358/302 347/250, 347/260, 358/481, 396/553
Other Classes:
US Patent Ref:
3922714Nov, 1975Delarie178/7.

Other Refs:
Primary Examiner: Habecker, Thomas B.
Assistant Examiner:
Attorney: