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:
May. 30, 2006
Filed:
Dec. 05, 2003
Applicants:
Tzu-chiang Shih, Taipei Hsien, TW;
Chen-ming Chang, Taipei, TW;
Chin-lung Lai, Taipei Hsien, TW;
Inventors:
Assignee:
Primax Electronics Ltd., Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 40/14 (2006.01); G09G 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for determining the compatibility of a working surface with an optical mouse having an optical sensor including (a) using the optical sensor to sense the optical characteristics of the working surface, (b) using a judging circuit to judge the compatibility of the working surface with the optical mouse according to the optical characteristics sensed by the optical sensor, (c) using the judging circuit to generate a judging signal according to the result obtained in step (b).