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:
Feb. 15, 2011
Filed:
Jun. 08, 2005
Applicants:
Chung Wai NG, Mountain View, CA (US);
David Boisvert, Saratoga, CA (US);
Kunhong Qu, San Jose, CA (US);
Mehmet Aslan, Sunnyvale, CA (US);
Inventors:
Chung Wai Ng, Mountain View, CA (US);
David Boisvert, Saratoga, CA (US);
Kunhong Qu, San Jose, CA (US);
Mehmet Aslan, Sunnyvale, CA (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Calibrating a white level in an image scanning device. A target white level is accessed. A high white level is determined for pixel data output by an amplifier. A gain adjustment to the amplifier is determined to correct a portion of an error between the target white level and the high white level. The gain adjustment is applied to the amplifier.