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. 15, 2019
Filed:
Nov. 03, 2015
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Akinori Yamada, Ina, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/215 (2006.01); H03B 5/32 (2006.01); H03H 9/05 (2006.01); H03H 9/10 (2006.01); H03H 3/02 (2006.01);
U.S. Cl.
CPC ...
H03H 9/215 (2013.01); H03B 5/32 (2013.01); H03H 3/02 (2013.01); H03H 9/0547 (2013.01); H03H 9/1021 (2013.01); H03H 2003/026 (2013.01);
Abstract
A quartz crystal resonator element includes: a base portion and a pair of vibrating arms which extend from a first end portion of the base portion along a Y-axis direction. The base portion includes a second end portion provided on the opposite side to a first end portion in the Y-axis direction. The base portion is provided with a protrusion in at least one of a third end portion and a fourth end portion which respectively connect both ends of the first end portion and both ends of the second end portion.