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. 15, 2018
Filed:
Feb. 05, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Kei Kanemoto, Suwa, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 19/5726 (2012.01); G01C 19/56 (2012.01); G01C 25/00 (2006.01); G01C 19/574 (2012.01);
U.S. Cl.
CPC ...
G01C 19/56 (2013.01); G01C 19/574 (2013.01); G01C 19/5726 (2013.01); G01C 25/005 (2013.01);
Abstract
A gyro sensor includes a substrate, an oscillation member, fixed driving electrodes and a movable driving electrode that oscillate the oscillation member, fixed detection electrodes and a movable detection electrode that detect a signal that varies in accordance with oscillation by Coriolis' force of the oscillation member, a bias voltage application unit that applies a bias voltage to the oscillation member, and a storage unit, and the bias voltage application unit sets a value of the bias voltage based on information stored in the storage unit.