Multi-beam write optical system

Details Multi-beam write optical system Multi-beam write optical system

1997-03-27

1998-09-08

Reinhart, Mark J.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347259, 359204, B41J 247

Patent

active

058051996

ABSTRACT:
A multi-beam optical system includes: a light beam generating part for generating a plurality of light beams using a plurality of light-emitting parts which are offset from each other in the sub-scanning direction and which are individually controllable; a coupling optical part for transmitting said plurality of light beams generated by said light beam generating part; an aperture part for defining said plurality of light beams, respectively; a beam combiner part for combining said plurality of light beams; a first image forming part for forming images of said plurality of light beams passing through said coupling optical part; a deflector part for deflecting said plurality of light beams output from said first image forming part, the images of said plurality of light beams being formed in a vicinity of said deflector part; and a second image forming part for forming images of said plurality of light beams deflected by said deflector part, wherein an exit pupil is in a conjugated arrangement with said second image forming part in a sub-scanning direction, and said exit pupil is defined by pre-first-image-forming-part optics.

REFERENCES:
patent: 5371526 (1994-12-01), Appel et al.
patent: 5475415 (1995-12-01), Noethen
patent: 5512949 (1996-04-01), Fisli et al.

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