The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8520101 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 27, 2013

Filed:

Apr. 09, 2012
Applicants:

Chao-yu Meng, Hsinchu, TW;

Wei Hsu, Longtan Township, Taoyuan County, TW;

Wen-shen Wuen, Xinfeng Township, Hsinchu County, TW;

Inventors:

Chao-Yu Meng, Hsinchu, TW;

Wei Hsu, Longtan Township, Taoyuan County, TW;

Wen-Shen Wuen, Xinfeng Township, Hsinchu County, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 9/64 (2006.01); H04N 5/335 (2011.01);
U.S. Cl.
CPC ...
Abstract

An image sensor including a pixel array, a sampling circuit and a black level calibration circuit is provided. The pixel array includes a first optical black area, a second optical black area and an active pixel area. The sampling circuit respectively reads first optical black information, second optical black information and active pixel information from the first optical black area, the second optical black area and the active pixel area. The black level calibration circuit determines a black level offset according to the first optical black information, and determines a black level calibration value for calibrating the active pixel information.


Find Patent Forward Citations

Meng, Chao-Yu. (2013). Image sensor and black level calibration method thereof (U.S. Patent No. 8520101). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8520101

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