Imaging using collectively controlled multiple beams

Details Imaging using collectively controlled multiple beams Imaging using collectively controlled multiple beams

1987-04-06

1989-01-03

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Optical output stabilization

372 26, 372 32, H01S 310

Patent

active

047962658

ABSTRACT:
An imaging system includes a plurality of semiconductor lasers for emitting a plurality of laser beams for use in forming an image on a photosensitive member. A laser driver circuit is provided for each of the plurality of lasers, and a plurality of photodectors are also provided, each detecting the light intensity of the corresponding one of the laser beams emitted from the lasers. A light intensity stabilizing control circuit is provided to stabilize the light intensity of each of the plurality of laser beams using one of the detected light intensities as a reference and adjusting the light intensity of each of the other beams such that a difference between the reference and the light intensity of each of the other beams is within a predetermined range.

REFERENCES:
patent: 4160218 (1979-07-01), White III
patent: 4237427 (1980-12-01), Holland
patent: 4309671 (1982-01-01), Malyon
patent: 4460249 (1984-07-01), Vincent
patent: 4592057 (1986-05-01), Comerford

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