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:
Jul. 05, 2011
Filed:
Oct. 15, 2009
Applicant:
Yu Iwai, Saitama, JP;
Inventor:
Yu Iwai, Saitama, JP;
Assignee:
Nihon Dempa Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/19 (2006.01); H03H 9/21 (2006.01);
U.S. Cl.
CPC ...
Abstract
An exemplary piezoelectric vibrating piece comprises a base formed of a piezoelectric material; and a pair of vibrating arms extending from one end of the base in a designated direction; wherein the vibrating arm comprises an arm portion in which only the inner side slopes as it becomes narrower to the distal end and a hammer-head portion that is formed wider than the arm portion at the distal end of the vibrating arms.