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:
Jul. 14, 2015
Filed:
Apr. 09, 2012
Kazuhiro Maeda, Osaka, JP;
Yousuke Nakagawa, Osaka, JP;
Kazuhiro Maeda, Osaka, JP;
Yousuke Nakagawa, Osaka, JP;
SHARP KABUSHIKI KAISHA, Osaka, JP;
Abstract
The touch panel of the present invention is a touch panel () that applies drive signals to drive electrodes () and carries out detection on the basis of the variation in the amount of charge that has been induced on detection electrodes (), and is configured such that when drive signals are being applied to the drive electrodes, complementary signals having a different phase from the drive signals are applied to complementary electrodes (), and the complimentary electrodes () are configured such that the amplitude (ΔVcm) of the complimentary signals satisfies the following formula:Δ×()/