Optical scanning apparatus and image forming apparatus
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United States of America Patent
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Mar 11, 2008
Grant Date -
Aug 10, 2006
app pub date -
Jan 3, 2006
filing date -
Feb 4, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical scanning apparatus includes a deflecting member that deflects and scans a light beam emitted from a light source, an optical element that scans and images the light beam on a medium to be scanned; and an opening member being disposed in a vicinity of the medium to be scanned. The opening member restricts both a scanning direction of the scanned and imaged light beam and a direction perpendicular to the scanning direction of the light beam.
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