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:
Oct. 28, 2008
Filed:
Sep. 16, 2004
Applicant:
Chun-huang Lin, Hsinchu, TW;
Inventor:
Chun-Huang Lin, Hsinchu, TW;
Assignee:
Pixart Imaging Inc., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image qualification method. A motion detection method. An optical navigation sensor. Image qualification, requiring only a single image frame to determine if an image frame is qualified, proceeds in real time. On the basis of the image qualification method, a motion detection method that prevents erroneous flickers is also provided for use in an optical navigation sensor.