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.:

US 9455394 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 27, 2016

Filed:

Jul. 23, 2013
Applicant:

Murata Manufacturing Co., Ltd., Nagaokakyo-Shi, Kyoto-fu, JP;

Inventor:

Jiro Inoue, Nagaokakyo, JP;

Assignee:

MURATA MANUFACTURING CO., LTD., Nagaokakyo-Shi, Kyoto-Fu, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/04 (2006.01); H02N 2/02 (2006.01); H02N 2/00 (2006.01);
U.S. Cl.
CPC ...
H01L 41/042 (2013.01); H02N 2/001 (2013.01); H02N 2/025 (2013.01);
Abstract

A displacement member with a driving element that includes first and second side surfaces that extend in a first direction and top and bottom surfaces that extend in a second direction perpendicular to the first direction. The driving element is a piezoelectric element that expands and contracts in the second direction when a pulsed voltage is applied. Further, an elastic conversion element is provided that contains the driving element and includes a first portion that is disposed adjacent the top surface of the driving element and that includes a displacement portion that is displaced downwardly and upwardly in the first direction when the driving element expands and contracts in the second direction, respectively.


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