Dual laser source for use in a raster output scanner

Details Dual laser source for use in a raster output scanner Dual laser source for use in a raster output scanner

1994-01-04

1996-05-21

Reinhart, Mark J.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

B41J 247

Patent

active

055194320

ABSTRACT:
A electrophotographic printing apparatus comprises a first laser source, emitting a first beam in a first direction, and a second laser source, emitting a second beam in a second direction. A roof mirror directs the first beam and the second beam along a third direction, so that the two beams have a substantially coincident virtual source point.

REFERENCES:
patent: 4468119 (1984-08-01), Hamar
patent: 4821113 (1989-04-01), McQuade et al.
patent: 4980893 (1990-12-01), Thornton et al.
patent: 4989019 (1991-01-01), Loce et al.
patent: 5140157 (1992-08-01), Ohshima et al.
patent: 5264869 (1993-11-01), Appel et al.

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