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:
Aug. 29, 2017
Filed:
Mar. 12, 2014
Applicant:
Daishinku Corporation, Kakogawa-shi, Hyogo, JP;
Inventors:
Satoru Ishino, Kakogawa, JP;
Yoshinobu Sakamoto, Kakogawa, JP;
Assignee:
DAISHINKU CORPORATION, Kakogawa-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/215 (2006.01); H03H 9/21 (2006.01); H03H 9/10 (2006.01); H03H 9/13 (2006.01);
U.S. Cl.
CPC ...
H03H 9/21 (2013.01); H03H 9/1021 (2013.01); H03H 9/13 (2013.01); H03H 9/215 (2013.01);
Abstract
A tuning-fork type crystal resonator plate includes a base portion and a pair of leg portions protruding from the base portion in one direction. A groove and a bank portion are formed on at least one of main surfaces of each of the leg portions. The bank portion is formed accompanied by the formation of the groove, and a width of the bank portion differs along a width direction. The bank portion is constituted by a thick portion having a large width and a thin portion having a small width.