Image sensor for detecting flicker noise and method thereof

Details Image sensor for detecting flicker noise and method thereof Image sensor for detecting flicker noise and method thereof

2004-06-28

2008-09-02

Ye, Lin (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

Reexamination Certificate

active

07420595

ABSTRACT:
An image sensor has improved functions so as to automatically eliminate a flicker noise. For the purpose, the image sensor includes a pixel array for capturing information about an image provided from the outside and having N pixel rows and M pixel columns for maximizing a feature of reacting to light, wherein M and N are integers, respectively, a flicker noise detective pixel unit containing X pixel rows, which has a form extended from the N pixel rows of the pixel array, and M pixel columns, wherein each pair of X pixel rows has an identical exposure time and X is an even number, and a flicker noise for controlling an exposure point for the flicker noise detective pixel unit and detecting the flicker noise by using outputs of the flicker noise detective pixel unit.

REFERENCES:
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patent: 6630953 (2003-10-01), Toyoda et al.
patent: 6710818 (2004-03-01), Kasahara et al.
patent: 2002/0097328 (2002-07-01), Henderson et al.
patent: 2004/0080630 (2004-04-01), Kim
patent: 2004/0165084 (2004-08-01), Yamamoto et al.
patent: 2004135347 (2004-04-01), None

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