Method for capturing and storing image information for...

Details Method for capturing and storing image information for... Method for capturing and storing image information for...

2005-11-08

2005-11-08

Vu, Ngoc-Yen (Department: 2612)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S222100, C348S231200, C348S308000, C348S362000

Reexamination Certificate

active

06963369

ABSTRACT:
A method for storing image information in a digital pixel sensor is disclosed for reducing the size of the memory needed to facilitate multiple sampling and correlated double sampling. In one embodiment, an image sensor includes a sensor array of pixel elements generating digital pixel data and a data memory for storing pixel data of each pixel element. The data memory allocates for each pixel element an m-bit pixel data field for storing pixel data and an n-bit CDS data field for storing reset value associated with each pixel element. The data memory stores m+n bits of pixel data in the pixel data field and the CDS data field for pixel data exceeding the predetermined threshold level. The data memory stores m bits of pixel data in the pixel data field for pixel data not exceeding the predetermined threshold level.

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U.S. Appl. No.: 09/823,838; 09/823,843; 09/274,202; 09/567,638; and 09/567,786.

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