Optical scanning apparatus and image-forming apparatus using...

Details Optical scanning apparatus and image-forming apparatus using... Optical scanning apparatus and image-forming apparatus using...

2008-08-22

2009-12-22

Tran, Huan H (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

Reexamination Certificate

active

07636102

ABSTRACT:
At least one exemplary embodiment is directed to an optical scanning apparatus which includes a Vertical Cavity Surface Emitting Laser including a plurality of light-emitting portions that are spaced from each other in at least a sub-scanning direction, a first optical system including a light-condensing element that converts each of light beams from the laser into a light beam in another state; a deflector that reflects and deflects the light beams from the first optical system, and a second optical system that focuses the light beams deflected by the deflecting member on a surface to be scanned, where the second optical system includes at least an imaging optical element having an optical surface with a non-arc shape in a sub-scanning cross section.

REFERENCES:
patent: 6201561 (2001-03-01), Ichikawa
patent: 6388792 (2002-05-01), Atsuumi et al.
patent: 2004/0104994 (2004-06-01), Ishihara et al.
patent: 2006/0033799 (2006-02-01), Ishihara et al.
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patent: 2002-40350 (2002-02-01), None
patent: 2003-156704 (2003-05-01), None
patent: 2004-70108 (2004-03-01), None
Computer-generated translation of JP 2002-040350, published on Feb. 2002.

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