Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Osamu Ishibashi0
Date of Patent
July 12, 2011
Patent Application Number
12742337
Date Filed
October 6, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides an optical scanning device that prevents a disadvantageous increase in device size. Transfer optical system 17 includes at least concave mirrors 19 and 20. Furthermore, transfer optical system 17 allows a light beam scanned by scan mirror 16 to enter the scan mirror again at least via concave mirrors 19 and 20. Then, scan mirror 16 scans and emits the laser light beam received via concave mirrors 19 and 20, to a plane of projection.
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