Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 5, 2008
Patent Application Number
10391623
Date Filed
March 20, 2003
Patent Primary Examiner
Patent abstract
All electric charges accumulated in a line sensor are transferred via a first shift gate to a first analog shift register. By controlling the width of a shift pulse signal to be supplied to a second shift gate, the amount of an electric charge transfer when the electric charges on the first analog shift register are transferred to a second shift register is controlled. As a result, the amount of the electric charges on the first analog shift register is controlled to a desired value. Accordingly, the amplitude of an image signal outputted from the first analog shift register can be easily adjusted. Further, the sensitivity of a CCD line sensor and variation of light amount of a light source can be corrected.
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