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:
Aug. 16, 2011
Filed:
Dec. 03, 2009
Applicants:
Yoshiki Murayama, Hirakata, JP;
Naoteru Matsubara, Ichinomiya, JP;
Inventors:
Yoshiki Murayama, Hirakata, JP;
Naoteru Matsubara, Ichinomiya, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02N 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
This electrostatic actuator includes an electret film and a conductor layer formed on the electret film, and the conductor layer is so formed as to have a sectional shape reduced in width upward from the side closer to the electret film.