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:
Nov. 23, 1999
Filed:
Apr. 13, 1998
Applicant:
Inventor:
Takehiro Watarai, Mie-ken, JP;
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01P / ; H01L / ;
U.S. Cl.
CPC ...
7350416 ; 310316 ; 310366 ; 310370 ;
Abstract
Drive electrodes and sensing electrodes are formed on a front face of a piezoelectric body of a vibrator. A first reference electrode is formed on a rear face. Second reference electrodes are formed on side faces of arm bars of the vibrator at a position corresponding to the sensing electrodes. The second reference electrodes are connected to the first reference electrode formed on said rear face.