Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshihiro Sone0
Date of Patent
October 30, 2007
Patent Application Number
11177320
Date Filed
July 11, 2005
Patent Primary Examiner
Patent abstract
In an image reading apparatus according to the present invention, a black reference plate used for shading correction includes a light shielding plate. When the light shielding plate shields an optical path leading to a CCD sensor, the light emitted from an illumination device is prevented from falling on the CCD sensor.
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