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:
Apr. 05, 2005
Filed:
Feb. 18, 2002
Applicants:
Tomomasa Omawari, Fukui, JP;
Hiroyuki Tsubonouchi, Fukui, JP;
Inventors:
Tomomasa Omawari, Fukui, JP;
Hiroyuki Tsubonouchi, Fukui, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01P021/00 ;
U.S. Cl.
CPC ...
Abstract
In an angular velocity sensor including two oscillators, the oscillators are balanced in weight precisely, thus providing improved output characteristics. In the sensor, at least one of the two oscillators has a notch having a surface roughness of not higher than 2 μm on an edge thereof.