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:
Mar. 13, 2012
Filed:
May. 21, 2009
Applicant:
Shingo Kawanishi, Saitama, JP;
Inventor:
Shingo Kawanishi, Saitama, JP;
Assignee:
Nihon Dempa Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/19 (2006.01);
U.S. Cl.
CPC ...
Abstract
Piezoelectric vibrating pieces are disclosed. An exemplary piece includes a base and at least a pair of vibrating arms connected to the base. The vibrating arms extend from one end of the base in a first direction. A vibrating root portion is situated between the vibrating arms. A pair of supporting arms extend, outboard of the vibrating arms, in the first direction from the one end of the base. Respective supporting root portions are situated between each vibrating arm and its outboard supporting arm, at the same position (denoted, e.g., K, K) in the first direction of the vibrating root portion.