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:
Oct. 16, 2018
Filed:
Apr. 15, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Masahiro Oshio, Shiojiri, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 19/5776 (2012.01); G01C 19/5649 (2012.01); G01C 19/5726 (2012.01);
U.S. Cl.
CPC ...
G01C 19/5726 (2013.01); G01C 19/5649 (2013.01); G01C 19/5776 (2013.01);
Abstract
A circuit for an angular velocity sensor as a circuit for a physical quantity sensor according to an embodiment of the invention includes a drive circuit that generates a drive signal that drives a driver to vibrate and a switch circuit that switches a state in which a detector that outputs a detection signal in accordance with a physical quantity is electrically continuous with the drive circuit or a state in which the detector is not electrically continuous with the drive circuit to the other state.