Six-legged type piezoelectric vibration gyroscope

Details Six-legged type piezoelectric vibration gyroscope Six-legged type piezoelectric vibration gyroscope

2007-05-15

2007-05-15

Chapman, John E. (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

C310S370000

Reexamination Certificate

active

10548102

ABSTRACT:
A six-legged type piezoelectric vibration gyroscope having a pair of exciting arms extending from a body (2) in a first direction (A1) with a space therebetween, one non-exciting arm (3c) extending in the first direction between the exciting arms from the body, a pair of detecting arms (4a,4b) extending from the body in a second direction (A2) with a space therebetween, and one non-detecting arm (4c) extending in the second direction between the detecting arms from the body. The exciting arms are coupled with a drive-side electrode. The detecting arms are coupled with a detection-side electrode. The exciting arms, non-exciting arm, detecting arms, and non-detecting arm respectively consist of a piezoelectric. The respective exciting arms differ in width size from the non-exciting arm. The respective exciting arms differ in width size from the respective detecting arms. The respective exciting arms differ in width size from the non-detecting arm.

REFERENCES:
patent: 5451828 (1995-09-01), Tomikawa et al.
patent: 6490925 (2002-12-01), Inoue et al.
patent: 6675651 (2004-01-01), Yanagisawa et al.
patent: 8-201063 (1996-08-01), None
patent: 11-014373 (1999-01-01), None
patent: 2001-208545 (2001-08-01), None

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