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. 30, 2020
Filed:
Mar. 27, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Kiichi Kajino, Matsumoto, JP;
Osamu Miyazawa, Hara, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/09 (2006.01); H02N 2/00 (2006.01); H02N 2/10 (2006.01); B25J 15/02 (2006.01); F04B 43/09 (2006.01); F04B 43/12 (2006.01); F04B 13/00 (2006.01); F04B 23/02 (2006.01); F04B 43/08 (2006.01); B25J 9/12 (2006.01); B25J 15/00 (2006.01); B25J 15/08 (2006.01); F04B 17/00 (2006.01); H02N 2/12 (2006.01);
U.S. Cl.
CPC ...
H02N 2/005 (2013.01); B25J 9/123 (2013.01); B25J 15/0009 (2013.01); B25J 15/0293 (2013.01); B25J 15/08 (2013.01); F04B 13/00 (2013.01); F04B 17/003 (2013.01); F04B 23/02 (2013.01); F04B 43/082 (2013.01); F04B 43/095 (2013.01); F04B 43/12 (2013.01); H02N 2/001 (2013.01); H02N 2/0025 (2013.01); H02N 2/103 (2013.01); H02N 2/12 (2013.01);
Abstract
A piezoelectric actuator includes a plurality of piezoelectric elements that generate a driving force to be transmitted to a driven portion; and a power supply portion that supplies power to the plurality of piezoelectric elements. The plurality of piezoelectric elements are electrically connected to the power supply portion in parallel.