Active pixel sensor cell array

Details Active pixel sensor cell array Active pixel sensor cell array

2007-04-03

2007-04-03

Vu, Ngoc-Yen (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

C348S308000, C348S310000, C250S208100

Reexamination Certificate

active

10304799

ABSTRACT:
An active pixel sensor cell array in which a partial transimpedance amplifier amplifies the output of each cell. The pixel sensor cell array comprises a plurality of pixel sensor cells and a second part of the amplifier. Each pixel sensor cell comprises a photo-sensitive element, a capacitor and a first part of an amplifier. The capacitor is coupled between a terminal of the photo-sensitive element and an output line of the cell. The capacitor is operable to provide a capacitive feedback in the pixel sensor cell. The second part of the amplifier is coupled to the output lines of a plurality of pixel sensor cells. The amplifier is configured to amplify an output signal from a cell.

REFERENCES:
patent: 5446529 (1995-08-01), Stettner et al.
patent: 5886343 (1999-03-01), Miyawaki et al.
patent: 6532040 (2003-03-01), Kozlowski et al.
patent: 6777660 (2004-08-01), Lee
patent: 6809767 (2004-10-01), Kozlowski et al.
patent: 6836291 (2004-12-01), Nakamura et al.

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