Television – Camera – system and detail – Solid-state image sensor
Reexamination Certificate
2005-08-09
2005-08-09
Ho, Tuan (Department: 2615)
Television
Camera, system and detail
Solid-state image sensor
C348S308000, C348S294000
Reexamination Certificate
active
06927796
ABSTRACT:
A CMOS DPS image sensor architecture for improving SNR and dynamic range is presented. The CMOS DPS architecture includes self-reset digital pixels capable of collecting more charge than the physical well capacity. A method for improving SNR without reducing dynamic range in a CMOS video sensor system under low illumination is described, wherein the CMOS video sensor system employing self-reset DPS architecture includes pixel level A/D conversion and wherein each DPS pixels is capable of resetting itself whenever a corresponding diode reaches saturation during integration time.
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El Gamal Abbas
Lim Suk Hwan
Liu Xinqiao
Ho Tuan
Jelinek Brian
Lumen Intellectual Property Services Inc.
The Board of Trustees of the Leland Stanford Junior University
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