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. 13, 2018
Filed:
Nov. 19, 2015
Applicant:
Dongbu Hitek Co., Ltd., Bucheon-si, KR;
Inventor:
Hak Soo Kim, Cheongju-si, KR;
Assignee:
Dongbu HiTek Co. Ltd., Bucheon-si, KR;
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/14 (2006.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0418 (2013.01);
Abstract
A touch sensor includes a touch panel including driving lines and sensing lines and having node capacitors between neighboring or overlapping driving lines and sensing lines, a driving unit configured to modulate driving signals using a direct sequence spread spectrum technique or scheme and simultaneously drive two or more of the driving lines using the modulated driving signals, and a sensing unit configured to demodulate the signals from the sensing lines using the direct sequence spread spectrum method and generate demodulated signals.