Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Morisaki0
Date of Patent
March 22, 2011
0Patent Application Number
116256010
Date Filed
January 22, 2007
0Patent Primary Examiner
Patent abstract
There is provided an image reading device, which comprises an illumination unit configured to diffuse light from light sources in a predetermined scanning direction to illuminate an object with diffused light, a reading unit having photoreceptors aligned in the predetermined scanning direction to receive light reflected from the object, a detection unit configured to detect lighting status of the light sources; and a controller that obtains an image of the object by using a normal one of the light sources as a main light source if at least one of the light sources is in an abnormal state.
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