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. 27, 2012
Filed:
Dec. 26, 2006
Yasuharu Onishi, Tokyo, JP;
Yasuhiro Sasaki, Tokyo, JP;
Masatake Takahashi, Tokyo, JP;
Ukyo Mori, Tokyo, JP;
Yukio Murata, Tokyo, JP;
Yasuharu Onishi, Tokyo, JP;
Yasuhiro Sasaki, Tokyo, JP;
Masatake Takahashi, Tokyo, JP;
Ukyo Mori, Tokyo, JP;
Yukio Murata, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
Piezo-electric actuatorof the present invention comprises piezo-electric elementfor performing expansion/contraction motions in accordance with an electric field condition, seatto which piezo-electric elementis adhered on at least one surface thereof, and supporting memberfor supporting piezo-electric elementand seat, wherein piezo-electric elementand seatvibrate up and down in accordance with the expansion/contraction motions of piezo-electric element. Seatis connected to supporting memberthrough vibrationfilm which is less rigid than this seat