Multiple-beam raster output scanner with a compensating filter

Details Multiple-beam raster output scanner with a compensating filter Multiple-beam raster output scanner with a compensating filter

2007-12-20

2010-02-23

Pham, Hai C (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

C347S256000

Reexamination Certificate

active

07667727

ABSTRACT:
A printing system includes a multiple-beam generator array configured to generate multiple beams. A collimator lens is positioned to receive the multiple beams, and an aperture stop is located where the multiple beams are spatially coincident with each other. A scanning optical system is positioned to receive the beams from the aperture stop, and a recording medium receives the beams from the scanning optical system. A filter is located where the multiple beams are spatially coincident with each other, whereby each of the multiple beams may be filtered by the supplied filter.

REFERENCES:
patent: 4305650 (1981-12-01), Knox
patent: 4884083 (1989-11-01), Loce et al.
patent: 5272715 (1993-12-01), Guerin
patent: 6967986 (2005-11-01), Kowarz et al.

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