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:
Sep. 21, 2010
Filed:
Jun. 04, 2007
Applicants:
Wen-liang Liu, Hsinchu, TW;
Chin-hung Yang, Hsinchu, TW;
Inventors:
Wen-Liang Liu, Hsinchu, TW;
Chin-Hung Yang, Hsinchu, TW;
Assignee:
Holtek Semiconductor Inc., Hsinchu, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 13/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a micro-control unit a RC oscillator for generating a reference clock, a plurality of touch switches for generating a transition signal indicating one of the touch switches being touched by human beings, a plurality of analog switches coupled to the touch switches for controlling transmission of the transition signal and a plurality of counters for counting time, all of the counters stop counting when one of the counters overflows and content of all counters being read, wherein ON/OFF of the analog switches controlled by a software.