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:
May. 21, 2014
Applicant:
Lenovo (Singapore) Pte. Ltd., Singapore, SG;
Inventors:
Scott Wentao Li, Cary, NC (US);
Zhenglong Bai, Cary, NC (US);
Russell Speight VanBlon, Raleigh, NC (US);
Axel Ramirez Flores, Durham, NC (US);
Joshua Neil Novak, Wake Forest, NC (US);
Assignee:
Lenovo (Singapore) Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/03 (2006.01); G06F 3/0354 (2013.01); G06F 3/038 (2013.01);
U.S. Cl.
CPC ...
G06F 3/0317 (2013.01); G06F 3/0304 (2013.01); G06F 3/038 (2013.01); G06F 3/0321 (2013.01); G06F 3/03545 (2013.01); G06F 3/041 (2013.01);
Abstract
A method includes receiving an image of a display surface from a pointing device having a camera with a field of view wider than a tip of the pointing device, processing the received image to identify an area on the display surface within the field of view of the camera, and identifying a position of the tip of the pointing device on the display surface as a function of the identified area on the display surface.