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:
Mar. 25, 2003
Filed:
Oct. 26, 2000
Applicant:
Inventors:
Dar-Chang Juang, Hsinchu, TW;
Pao-Chyuan Chen, Chu-Pei, TW;
Assignee:
Sunplus Technology Co., Ltd., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 1/106 ;
U.S. Cl.
CPC ...
G06K 1/106 ;
Abstract
A computer input system utilizing a camera to sense a point source includes a movable light emitting device, which is operated by the user to move and emit at least two lights of different colors. The computer input system further has a camera for capturing the light emitted by the movable light emitting device and transforming a captured light trace produced by the movable light emitting device to XY coordinate data, so as to perform a pointing input operation.