Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Nakahata0
Date of Patent
November 9, 2010
0Patent Application Number
120336230
Date Filed
February 19, 2008
0Patent Primary Examiner
Patent abstract
A scanning optical apparatus includes a plurality of rotatable polygonal mirrors for scanningly deflecting laser beams; a plurality of optical members provided across optical paths of the beams deflected by the rotatable polygonal mirrors; vibration detecting means for detecting vibration of at least one of the optical members during driving of the rotatable polygonal mirrors; phase control means for controlling a phase relation between the rotatable polygonal mirrors on the basis of an output of the vibration detecting means.
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