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:
Jan. 03, 2017
Filed:
Mar. 11, 2015
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Fumio Ichikawa, Suwa, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 19/56 (2012.01); G01C 19/5607 (2012.01); H03H 9/21 (2006.01); G01C 19/5621 (2012.01); H03H 9/05 (2006.01); H03H 9/10 (2006.01);
U.S. Cl.
CPC ...
G01C 19/5607 (2013.01); G01C 19/5621 (2013.01); H03H 9/21 (2013.01); H03H 9/0547 (2013.01); H03H 9/1014 (2013.01);
Abstract
In order to provide a resonator element having high production efficiency and low impedance in a small size, the resonator element includes a base portion, and a driving arm which extends from the base portion and includes a through hole, in which the driving arm vibrates along an in-plane direction, and includes a plurality of broad portions of which a width in the in-plane direction is broad and a plurality of narrow portions of which a width in the in-plane direction is narrow which alternate with each other, and the through hole is disposed in the broad portion.