Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Keiichi Sano0
Date of Patent
February 23, 2010
Patent Application Number
11779912
Date Filed
July 19, 2007
Patent Primary Examiner
Patent abstract
A reading circuit including a detection module, a first transistor, and a compensation module is disclosed. The detection module detects a light. The first transistor transforms the detection result for generating a current signal. The compensation module compensates a threshold voltage of the first transistor.
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