Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hitoshi Kiji0
Date of Patent
August 21, 2007
Patent Application Number
11177455
Date Filed
July 7, 2005
Patent Primary Examiner
Patent abstract
A photoreceptor amplifier circuit comprises a differential amplifier circuit, which includes a differential transistor pair constituted of two transistors and active loads corresponding to said differential transistor pair, said differential amplifier circuit outputting a voltage according to an output current of a photoreceptor. The photoreceptor amplifier circuit further comprises a correcting current generation circuit for generating a correcting current based on a current difference between said two transistors and supplying the correcting current to said differential amplifier circuit.
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