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:
Mar. 03, 2015
Filed:
Dec. 04, 2012
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Osamu Urano, Okaya, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02N 2/06 (2006.01); H02N 2/14 (2006.01); H01L 41/04 (2006.01); B25J 15/08 (2006.01); H02N 2/00 (2006.01);
U.S. Cl.
CPC ...
H01L 41/042 (2013.01); B25J 15/08 (2013.01); H02N 2/0075 (2013.01); H02N 2/0095 (2013.01); Y10S 901/32 (2013.01);
Abstract
A drive device includes a movable member, plural piezoelectric motors that cause the movable member to move in a predetermined direction, a drive circuit that drives the plural piezoelectric motors, and plural relays that electrically connect or disconnect at least one of the plural piezoelectric motors to or from the drive circuit.