Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 21, 2007
Patent Application Number
11484901
Date Filed
July 12, 2006
Patent Primary Examiner
Patent abstract
A projection device includes an image source unit, a first projecting optical system, an intermediate optical system, and a second projecting optical system. The image displaying area of the image source unit is tilted with respect to a first virtual plane, and an intermediate image is tilted with respect at least the first virtual plane. A following relationship is satisfied:
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