Optical recorder having a signal separation circuit and a FIFO m

Details Optical recorder having a signal separation circuit and a FIFO m Optical recorder having a signal separation circuit and a FIFO m

1995-06-22

1996-11-26

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250205, 347135, 369 4437, H01J 314

Patent

active

055788190

ABSTRACT:
A simple optical recorder which permits alignment of scanning positions of a plurality of laser beams with high accuracy and effects optical recording using the laser beams. The optical recorder is provided with a photosensitive drum which is scanned by a plurality of laser beams formed in rows at an inclined angle with respect to the direction of scan, a single photosensor for sensing each of the sweep positions of the laser beams, and a controller for controlling the scanning positions of the laser beams on the basis of a sensing result of the sensor. The controller is made up of an optical sensing signal separation circuit, synchronous clock generation circuits, FIFO memory circuit elements, and OR circuits.

REFERENCES:
patent: 4710779 (1987-12-01), Funaki et al.
patent: 5040163 (1991-08-01), Sasaki et al.

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