Optical scanner

Details Optical scanner Optical scanner

1989-07-11

1990-10-16

Arnold, Bruce Y.

Photocopying

Contact printing

Light boxes

350 68, 355 84, 358296, 358481, 250235, 2502082, G02B 2610

Patent

active

049629816

ABSTRACT:
An optical scanner for a laser printer or the like, capable of forming dots on scanning lines which are apparently the same in length. When the respective scanning speeds of spots of laser beams reflected respectively by a plurality of reflecting surfaces of a polygonal rotating mirror are different from each other, correction clock pulses are inserted in a print control clock signal for each scanning line.

REFERENCES:
patent: 4205350 (1980-05-01), Gunning
patent: 4329012 (1982-05-01), Minoura et al.

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