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.:

US 9252350 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 02, 2016

Filed:

Jul. 08, 2013
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/15 (2006.01); H03H 9/24 (2006.01); H01L 41/04 (2006.01); G01L 9/00 (2006.01); G01L 1/16 (2006.01);
U.S. Cl.
CPC ...
H01L 41/04 (2013.01); G01L 1/162 (2013.01); G01L 9/0022 (2013.01); H03H 9/2473 (2013.01); H03H 9/15 (2013.01);
Abstract

An oscillation piece includes a first oscillation arm and a second oscillation arm, a first base that connects ends of the first oscillation arm and the second oscillation arm on one side to each other and a second base that connects ends of the first oscillation arm and the second oscillation arm on the other side to each other, and weight films provided on each of the first oscillation arm and the second oscillation arm. The drive electrodes are disposed in positions where the amount of distortion produced in the first oscillation arm and the second oscillation arm is maximized, and the weight films are disposed in positions where the amount of distortion produced in the first oscillation arm and the second oscillation arm is minimized. The oscillation frequency of the oscillation piece can be precisely adjusted by removing part of the weight films.


Find Patent Forward Citations

Kikushima, Masayuki. (2016). Oscillation piece, oscillator, electronic device, electronic apparatus, and mobile object (U.S. Patent No. 9252350). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9252350

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