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:
Sep. 17, 2019
Filed:
Jul. 23, 2015
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Naohiro Nakagawa, Suwa, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/215 (2006.01); H03H 3/02 (2006.01);
U.S. Cl.
CPC ...
H03H 9/215 (2013.01); H03H 3/02 (2013.01); H03H 2003/026 (2013.01);
Abstract
To realize a resonator element capable of obtaining sufficient electric field efficiency and securing a satisfactory element characteristic, a resonator element of the invention includes a base section and a pair of resonating arms extending from the base section. The resonator element includes recesses having a curved surface shape respectively on two side surfaces (surfaces crossing a direction in which the resonating arms resonate) of the resonating arm.