Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tasuku Sugimoto0
Date of Patent
December 2, 2008
0Patent Application Number
114433220
Date Filed
May 31, 2006
0Patent Primary Examiner
Patent abstract
An optical scanning device that includes: a light-emitting unit that emits laser light to a polygon mirror on the basis of a turning-on signal; a sensor unit that detects laser light reflected by the polygon mirror and outputs a sensor signal; and a noise removing unit that outputs a laser light detection signal when the sensor signal is output during an output period of the turning-on signal.
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