Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yusuke Hashizume0
Date of Patent
May 10, 2011
0Patent Application Number
120437170
Date Filed
March 6, 2008
0Patent Primary Examiner
Patent abstract
A sheet image scanner of the present invention has plural image sensors to output electric signals by detecting optical image data that are obtained by applying a light from a light source to documents, amplifiers to amplify outputs from the plural image sensors, and a peak detection processing unit to detect a peak value of sensitivity of at least one of the plural image sensors and set a gain value for each of amplifiers for the plural image sensors using the detected peak value.
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