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. 24, 2015
Filed:
Sep. 06, 2012
Applicants:
San-ho Byun, Bucheon-si, KR;
Ki-duk Kim, Hwaseong-si, KR;
Yoon Kyung Choi, Seoul, KR;
Inventors:
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/045 (2006.01); G06F 3/044 (2006.01); G06F 3/041 (2006.01); H03K 17/96 (2006.01);
U.S. Cl.
CPC ...
G06F 3/044 (2013.01); G06F 3/0418 (2013.01); H03K 17/9622 (2013.01);
Abstract
An operating method of a touch controller includes receiving a plurality of currents through a plurality of channels, respectively, sensing a first current among the plurality of currents and extracting the sensed first current as a first control current and converting a charge corresponding to a difference between the first control current and a second current among the plurality of currents into an output voltage.