Scanning optical device and image forming apparatus having the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 30, 2003
Grant Date -
Feb 21, 2002
app pub date -
Jul 17, 2001
filing date -
Jul 17, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A scanning optical device has a first light source unit for generating a plurality of light beams, a second light source unit for generating at least one light beam, and a deflecting scanner for deflecting by a reflecting surface the light beams generated by the first and second light source units to scan a member to be scanned. The positions of the plurality of laser beams generated by the first light source unit are different from each other in a scanning direction in which the deflecting scanner scans, and the at least one light beam generated by the second light source unit is positioned between the plurality of light beams generated by the first light source unit in the scanning direction.
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