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:
Nov. 22, 2005
Filed:
Jul. 10, 2002
Applicant:
Wei-chuan Wang, Taipei, TW;
Inventor:
Wei-Chuan Wang, Taipei, TW;
Assignee:
Kye Systems Corp., Taipei Hsien, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G005/08 ;
U.S. Cl.
CPC ...
Abstract
An encoder device coupled to a roller or 'scroll wheel' includes a mechanism to convert a rotating movement of the roller into a reciprocating movement that causes intermittent electrical conduction between two metal contacts so as to output an intermittent electrical signal indicative of roller movement without continuous power consumption.