Laser printer with multiple scanning beams

Details Laser printer with multiple scanning beams Laser printer with multiple scanning beams

1981-04-14

1982-08-17

Gonzales, John

Recorders

Record receiver deforming

346108, 358302, G06K 1512, H04N 122

Patent

active

043446779

ABSTRACT:
Disclosed herein is a laser printer for printing alphanumeric characters and the like on a photosensitive surface. An acoustooptic cell, in cooperation with its driving circuitry, serves to diffract an incident laser beam to produce two or more first-order diffracted beams, and to deflect such beams in a common plane through discrete angular ranges to produce tandem scan lines on a photosensitive surface. A data source, such as a character generator or programmed computer, is used to modulate the intensity of each of the diffracted beams independently so that the tandem scan lines collectively define a full column (or row) of picture elements of information to be printed.

REFERENCES:
patent: 3055258 (1962-09-01), Hurvitz
patent: 3744039 (1973-07-01), Hrbek et al.
patent: 3997722 (1976-12-01), Bardos
patent: 4044363 (1977-08-01), Morgan
patent: 4089008 (1978-05-01), Suga et al.

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