Read-out circuit of image sensor

Details Read-out circuit of image sensor Read-out circuit of image sensor

2011-06-07

2011-06-07

Tran, Sinh (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S242000, C348S308000

Reexamination Certificate

active

07956908

ABSTRACT:
A read-out circuit of an image sensor is provided. The read-out circuit includes: a CDS block, including: a plurality of reset capacitors storing inputted reset values of pixels; a plurality of signal capacitors storing inputted signal values of the pixels; a plurality of reset driving devices outputting the reset values stored into the reset capacitors; a plurality of signal driving devices outputting the signal values stored into the signal capacitors; and a plurality of capacitor equalization devices equalizing electric potential levels of the reset capacitors and the signal capacitors; a reset line transferring reset value output signals of the CDS block; a signal line transferring signal value output signals of the CDS block; a differential amplification unit amplifying a difference between the individual reset value output signal and the individual signal value output signal; and a line equalization device equalizing electric potential levels of the reset line and signal line.

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Japanese Office Action dated Aug. 31, 2010. (English translation provided).

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