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. 21, 2017
Filed:
Aug. 12, 2013
Applicant:
Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Inventors:
Kazuya Takayama, Osaka, JP;
Kenji Maeda, Osaka, JP;
Masayuki Natsumi, Osaka, JP;
Tatsuo Watanabe, Osaka, JP;
Yuichi Sato, Osaka, JP;
Tetsuya Umekida, Osaka, JP;
Assignee:
SHARP KABUSHIKI KAISHA, Sakai, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/044 (2006.01); G06F 1/32 (2006.01); G02F 1/1333 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0418 (2013.01); G06F 3/044 (2013.01); G02F 1/13338 (2013.01); G06F 1/3262 (2013.01); H01L 27/323 (2013.01);
Abstract
A touch panel driving device includes: a noise detection section () that detects the presence or absence of at least external noise of an input operation performed on a touch panel (); and a liquid crystal drive parameter setting section () that, in a case where the presence of external noise has been detected by the noise detection section (), executes a process for reducing the external noise by adjusting a cycle or duration of a 1H period.