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. 04, 2014
Filed:
Apr. 14, 2008
Tung-tsai Liao, Hsin Chu, TW;
LI Sheng Lo, Hsin Chu County, TW;
Chih Hsiang Yang, Chang Hua County, TW;
Tung-Tsai Liao, Hsin Chu, TW;
Li Sheng Lo, Hsin Chu County, TW;
Chih Hsiang Yang, Chang Hua County, TW;
Generalplus Technology Inc., Hsin-Chu, TW;
Abstract
A capacitance touch sensor includes a square wave generator for generating a square wave clock, a sensor panel for receiving the square wave clock and then generating a panel signal, a peak detector for receiving the panel signal and then generating an analog peak signal, an analog-to-digital converter for receiving the analog peak signal and then generating a digital peak signal, and a control unit for receiving the digital peak signal and generating a detection signal according to a level of the digital peak signal to indicate whether the sensor panel is touched or not.