Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
March 25, 2008
Patent Application Number
11205997
Date Filed
August 18, 2005
Patent Primary Examiner
Patent abstract
The present invention provides a correcting apparatus for correcting images projected from a projection system. The correcting apparatus includes a correcting module and a projection lens. The correcting module shields a light signal for producing a corrected light signal. The projection lens receives the corrected light signal for producing an image light signal. The correcting module is disposed on a first outer circumference at one end of the projection lens.
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