Image sensors with isolated flushed pixel reset

Details Image sensors with isolated flushed pixel reset Image sensors with isolated flushed pixel reset

2007-09-25

2007-09-25

Ho, Tuan (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

C348S311000, C250S208100

Reexamination Certificate

active

09858748

ABSTRACT:
Techniques for use with image sensors include transferring a signal level from an active sensor pixel to a readout circuit, performing a flushed reset of the pixel, and isolating the pixel from the readout circuit during resetting of the pixel.

REFERENCES:
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patent: 5831675 (1998-11-01), Ueno
patent: 5898168 (1999-04-01), Gowda et al.
patent: 5920345 (1999-07-01), Sauer
patent: 6175383 (2001-01-01), Yadid-Pecht et al.
patent: 6218656 (2001-04-01), Guidash
patent: 6222175 (2001-04-01), Krymski
patent: 6519371 (2003-02-01), Pain et al.
N.E. Bock, “Reset Noise at Low Temperatures”, Journal De Physique IV, Colloque 3, supplément au Journal de Physique III, vol. 6, Apr. 1966, pp. C3-207-C3-211.
Pain et al., “Analysis and enhancement of low-light-level performance of photodiode-type CMOS active pixel imagers operated with sub-threshold reset”, 1999 IEEE Workshop on CCDs and Advanced Image Sensors, pp. 140-143.

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