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. 10, 2009
Filed:
Nov. 23, 2004
Applicants:
Chien-hsing Hsieh, Hsin-Chu, TW;
Chin-hsin Yang, Taipei Hsien, TW;
Inventors:
Chien-Hsing Hsieh, Hsin-Chu, TW;
Chin-Hsin Yang, Taipei Hsien, TW;
Assignee:
Pixart Imaging Inc., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A programmable optical pointing device. A read/write storage chip stores control code, and an integrated chip includes a photo sensor array and a control circuit. The control circuit reads the control code from the read/write storage chip and accordingly drives the photo sensor array to detect images on an operating surface.