Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 27, 2007
Patent Application Number
11186860
Date Filed
July 22, 2005
Patent Primary Examiner
Patent abstract
In an image-forming device, a plurality of laser beams is irradiated onto the reflecting surface of a polygon mirror so as to be obliquely incident thereon. A plurality of mixture preventing elements is provided for preventing a laser beam from mixing in optical paths for another light beams.
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