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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 10615328 B1

PDFFull Text
Expired
Date of Patent:
Apr. 07, 2020

Filed:

Mar. 27, 2017

Piezoelectric actuator, piezoelectric motor, robot, hand, and pump

Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Kiichi Kajino, Matsumoto, JP;

Yutaka Arakawa, Hara, JP;

Assignee:

Seiko Epson Corporation, , JP;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Thomas M Dougherty

Int. Cl.
CPC ...
H01L 41/107 (2006.01); H01L 41/09 (2006.01); A61B 34/30 (2016.01); A61B 34/00 (2016.01); A61M 5/142 (2006.01); F04B 43/08 (2006.01); F04B 43/09 (2006.01); F04B 43/12 (2006.01); H02N 2/00 (2006.01); H02N 2/10 (2006.01); B25J 9/12 (2006.01); B25J 15/02 (2006.01);
U.S. Cl.
CPC ...
H01L 41/09 (2013.01); A61B 34/30 (2016.02); A61B 34/70 (2016.02); A61M 5/142 (2013.01); F04B 43/082 (2013.01); F04B 43/095 (2013.01); F04B 43/1223 (2013.01); H02N 2/004 (2013.01); H02N 2/0075 (2013.01); H02N 2/103 (2013.01); B25J 9/12 (2013.01); B25J 15/02 (2013.01);
Abstract

A piezoelectric actuator includes a first piezoelectric element that outputs a first signal when being driven, a second piezoelectric element that outputs a second signal when being driven, a signal combining part that delays phase of the second signal and outputs a composite signal by combination of the second signal and the first signal, and a drive state determination part that determines respective drive states of the first piezoelectric element and the second piezoelectric element based on the composite signal.

Find Patent Forward Citations

Kajino, Kiichi. (2020). Piezoelectric actuator, piezoelectric motor, robot, hand, and pump (U.S. Patent No. 10615328). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10615328

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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