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:
Jun. 12, 2018
Filed:
Aug. 08, 2014
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Masahiro Ishii, Suwa, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 19/56 (2012.01); G01P 9/04 (2006.01); G01C 19/5607 (2012.01);
U.S. Cl.
CPC ...
G01C 19/5607 (2013.01); G01C 19/56 (2013.01);
Abstract
A vibrating element includes a base part, drive arms containing first surfaces and second surfaces having front-back relations with the first surfaces, having groove portions provided on the first surface sides, and extended from the base part in extension directions, and drive parts provided to contain piezoelectric layers on the second surfaces, and section shapes of the drive arms orthogonal to the extension directions contain asymmetric section shapes with respect to virtual center lines passing through centers of widths in directions orthogonal to the extension directions.