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.:
Date of Patent:
Jul. 24, 2012
Filed:
Mar. 12, 2008
Applicants:
Jeff Raynor, Edinburgh, GB;
Mitchell Perley O'neal, Edinburgh, GB;
Inventors:
Jeff Raynor, Edinburgh, GB;
Mitchell Perley O'Neal, Edinburgh, GB;
Assignee:
STMicroelectronics (Research & Development) Limited, Marlow-Buckinghamshire, GB;
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/64 (2006.01); H04N 3/14 (2006.01); H04N 5/335 (2011.01);
U.S. Cl.
CPC ...
Abstract
A pixel structure includes two different photosensitive portions. One portion is shielded from incident light and the signals from both are fed into an op amp so that the differential signal is output as the pixel output, thereby cancelling dark current.