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. 12, 2002
Filed:
Nov. 02, 2000
Applicant:
Inventor:
Akira Mori, Nagaokakyo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01P 1/500 ;
U.S. Cl.
CPC ...
G01P 1/500 ;
Abstract
A vibrating gyroscope includes a vibrator having a plurality of piezoelectric members stacked and polarized in directions opposing each other; at least one drive electrode formed on one of the mutually opposing main surfaces of the vibrator to input a signal for exciting the vibrator; at least two detection electrodes formed on one of the mutually opposing main surfaces of the vibrator to output a signal in accordance with vibration of the vibrator; and at least one reference electrode formed on one of the mutually opposing main surfaces of the vibrator to be connected to a reference potential. The reference electrode is formed in a position opposing the drive electrodes and the detection electrodes.