Image sensor and an electronic information device

Details Image sensor and an electronic information device Image sensor and an electronic information device

2011-07-12

2011-07-12

Collins, Darryl J (Department: 2873)

Television

Camera, system and detail

Solid-state image sensor

C348S296000, C348S302000

Reexamination Certificate

active

07978244

ABSTRACT:
An image sensor is disclosed. The image sensor includes a plurality of pixels arranged in a matrix which detects a pixel signal of each pixel based on a voltage difference between a reset voltage which is a reference voltage of each pixel and a signal voltage generated by a photoelectric conversion at each pixel, and includes a plurality of read lines located for each pixel column, wherein the reset voltage and the signal voltage are read from the pixel of the corresponding pixel column; and a reset current supply section provided for each read line, wherein at the same time a first reset current is supplied from a pixel to the read line when reading the reset voltage from the pixel, the section supplies a second reset current to the read line such that a sum of the first reset current and the second reset current is constant.

REFERENCES:
patent: 6933974 (2005-08-01), Lee
patent: 1330411 (2002-01-01), None
patent: 2002-044524 (2002-02-01), None
patent: 2004-112740 (2004-04-01), None
patent: 2005-341509 (2005-12-01), None
Office Action issued in corresponding Chinese Application No. 200810099070.1 on Sep. 25, 2009.

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