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. 29, 2018
Filed:
Aug. 11, 2015
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Yasuharu Hashimoto, Minamiminowa, JP;
Akio Konishi, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02N 2/00 (2006.01); H02P 25/02 (2016.01); B25J 9/12 (2006.01); H02N 2/10 (2006.01);
U.S. Cl.
CPC ...
H02N 2/004 (2013.01); B25J 9/12 (2013.01); H02N 2/0075 (2013.01); H02N 2/103 (2013.01); H02P 25/027 (2013.01); Y10S 901/28 (2013.01);
Abstract
A piezoelectric driving device includes a piezoelectric body; an electrode provided on the piezoelectric body; and a driving circuit which applies a driving voltage to the electrode, wherein the piezoelectric body has a thickness of 0.05 μm to 20 μm, and the driving voltage is a voltage obtained by adding an offset voltage to a fluctuating voltage.