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:
Aug. 09, 2016
Filed:
Dec. 05, 2007
Applicants:
Asher Simmons, Corvallis, OR (US);
James D. Bledsoe, Corvallis, OR (US);
Inventors:
Asher Simmons, Corvallis, OR (US);
James D. Bledsoe, Corvallis, OR (US);
Assignee:
Marvell World Trade Ltd., St. Michael, BB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/033 (2013.01); G06F 3/03 (2006.01); G06F 3/0354 (2013.01);
U.S. Cl.
CPC ...
G06F 3/0317 (2013.01); G06F 3/03543 (2013.01);
Abstract
A tracking device is provided for tracking a position of the tracking device in relation to a surface. The tracking device has a first optical sensor to capture a primary image of the surface. A second optical sensor is provided to capture a secondary image of the surface. A processor evaluates the primary and secondary images to determine a movement of the tracking device in relation to the surface.