CMOS image sensor

Details CMOS image sensor CMOS image sensor

2004-09-02

2008-05-20

Ye, Lin (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

C348S281000, C348S302000

Reexamination Certificate

active

07375751

ABSTRACT:
Disclosed is a CMOS image sensor that controls a reset voltage to reduce reset noise caused by a reset operation of the CMOS image sensor, fixed pattern noise caused by different characteristics of detection circuits, and image lag caused by the influence of a previous image signal upon the current output signal, thereby achieving a high signal to noise ratio.

REFERENCES:
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patent: 6469740 (2002-10-01), Kuroda et al.
patent: 6507059 (2003-01-01), Chen et al.
Pain et al. “Reset Noise Suppression in Two-Dimensional CMOS Photodiode Pixels Through Column-Based Feedback-Reset,” 2002 IEEE, IEDM.

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