Analog to digital converting device and image pickup device...

Details Analog to digital converting device and image pickup device... Analog to digital converting device and image pickup device...

2011-01-04

2011-01-04

Vu, Ngoc-Yen T (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S243000

Reexamination Certificate

active

07864229

ABSTRACT:
An image pick-up device includes a first correlated double sampling circuit configured to generate a first sampling signal by performing correlated double sampling on an active pixel signal output from an active pixel and generating a first comparison signal by comparing the first sampling signal with a reference signal, and a second correlated double sampling circuit to generate a second sampling signal by performing correlated double sampling on an OB pixel signal output from an optical black pixel and generating a second comparison signal by comparing the second sampling signal with the reference signal.

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