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.

Date of Patent:
Mar. 21, 2023

Filed:

Jul. 08, 2020
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Akinori Yamada, Ina, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/19 (2006.01); H03H 9/10 (2006.01); H03H 9/05 (2006.01);
U.S. Cl.
CPC ...
H03H 9/19 (2013.01); H03H 9/0509 (2013.01); H03H 9/1021 (2013.01);
Abstract

A vibrating element includes a base and a first vibrating arm and a second vibrating arm extending from the base. The first vibrating arm includes a first arm and a first weight. The second vibrating arm includes a second arm and a second weight. In the vibrating element, 0.952<M2/M1<1.000, wherein M1 is mass on the second vibrating arm side of the first weight with respect to a first center line of the first arm and mass on the first vibrating arm side of the second weight with respect to a second center line of the second arm and M2 is mass on a side opposite to the second vibrating arm of the first weight with respect to the first center line and mass on a side opposite to the first vibrating arm of the second weight with respect to the second center line.


Find Patent Forward Citations

Loading…