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:
Aug. 11, 2015
Filed:
Sep. 06, 2012
Fumio Ichikawa, Ebina, JP;
Fumio Ichikawa, Ebina, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A sensor element includes a base part, drive vibration armsand, adjustment vibration arms-that vibrate in response to drive vibration of the drive vibration armsand, detection electrodes that output a charge according to a physical quantity applied to the drive vibration armsand, first adjustment electrodes provided on the adjustment vibration armsandand electrically connected to the detection electrodes for outputting a charge in response to vibration of the adjustment vibration armsand, and second adjustment electrodes provided on the adjustment vibration armsandand electrically connected to the detection electrodes for outputting a charge in a reverse polarity with respect to the first adjustment electrodes in response to vibration of the adjustment vibration armsand