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:
Jun. 18, 2013
Filed:
May. 04, 2012
Yohko Naruse, Ichinomiya, JP;
Yoshinori Shishida, Yoro-gun, JP;
Naoteru Matsubara, Ichinomiya, JP;
Kazunari Honma, Ogaki, JP;
Eiji Yuasa, Ora-gun, JP;
Yohko Naruse, Ichinomiya, JP;
Yoshinori Shishida, Yoro-gun, JP;
Naoteru Matsubara, Ichinomiya, JP;
Kazunari Honma, Ogaki, JP;
Eiji Yuasa, Ora-gun, JP;
Sanyo Electric Co., Ltd., Moriguchi-Shi, Osaka, JP;
Abstract
An electrostatic operation device in which a variation in the amount of electric charges accumulated in an electret film caused by physical impact can be suppressed. The electrostatic operation device (electrostatic induction power generating device ()) comprises movable electrodes (), an electret film () so formed as to face the movable electrodes () at a space therebetween, and a stopper () for suppressing the approach of the movable electrodes () to the electret film () within a predetermined space.