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:
Oct. 18, 2011
Filed:
Sep. 13, 2006
Applicants:
Yen-chang Chiu, Linkou Township, Taipei County, TW;
Hsuan-lung Chung, Lungtan Township, Taoyuan County, TW;
Tso-chieh Yang, Chingshuei Township, Taichung County, TW;
Inventors:
Yen-Chang Chiu, Linkou Township, Taipei County, TW;
Hsuan-Lung Chung, Lungtan Township, Taoyuan County, TW;
Tso-Chieh Yang, Chingshuei Township, Taichung County, TW;
Assignee:
Elan Microelectronics Corporation, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a movement detection method for multiple objects on a capacitive touchpad, the waveform of sensed values on the touchpad is monitored for its variation to determine respective movements of the objects on the touchpad, and various operational gestures are further determined exactly.