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:
Feb. 01, 2011
Filed:
Feb. 25, 2008
Applicants:
Hiroshi Tanaka, Yokohama, JP;
Yuki Endo, Yokohama, JP;
Masanori Yachi, Yokohama, JP;
Kazutaka Araya, Yokohama, JP;
Yoshinori Uwano, Yokohama, JP;
Inventors:
Hiroshi Tanaka, Yokohama, JP;
Yuki Endo, Yokohama, JP;
Masanori Yachi, Yokohama, JP;
Kazutaka Araya, Yokohama, JP;
Yoshinori Uwano, Yokohama, JP;
Assignee:
Tamagawa Seiki Co., Ltd, Nagano Prefecture, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/22 (2006.01); B23P 17/00 (2006.01); G01P 3/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
An angular velocity sensor includes a tuning-fork vibrator having a base and multiple arms extending from the base. Two arms out of the multiple arms driven to vibrate have first end parts opposite to second end parts connected to the base. The first end parts being wider than the second end parts.