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:
May. 03, 2016
Filed:
Dec. 04, 2012
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Koichi Kamijo, Matsumoto, JP;
Kazuhiro Tsuchiya, Azumino, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 41/09 (2006.01); H01L 41/04 (2006.01); H02N 2/00 (2006.01); H02N 2/10 (2006.01); H02N 2/12 (2006.01); B25J 15/00 (2006.01); H02N 2/16 (2006.01);
U.S. Cl.
CPC ...
H01L 41/09 (2013.01); B25J 15/0009 (2013.01); H01L 41/04 (2013.01); H02N 2/004 (2013.01); H02N 2/007 (2013.01); H02N 2/0095 (2013.01); H02N 2/103 (2013.01); H02N 2/126 (2013.01); H02N 2/163 (2013.01);
Abstract
A piezoelectric motor includes a piezoelectric element, an oscillating plate including the piezoelectric element, a driving projection provided at an end of the oscillating plate, and a driven member driven by the driving projection coming into abutment therewith and is characterized in that Young's modulus E1 of the driving projection and Young's modulus E2 of the driven member are different.