Gyro apparatus

Details Gyro apparatus Gyro apparatus

1986-08-08

1987-11-03

Chapman, John

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

G01P 904

Patent

active

047036559

ABSTRACT:
A gyro apparatus having a tuning fork and a detecting portion for detecting the moment generated by Coriolis force in the tuning fork is disclosed, in which the detecting portion is formed of a rectangular-shaped hinge, a base portion to which both ends of the rectangular-shaped hinge are fixed and a pair of detection piezo-electric elements fixed to the rectangular-shaped hinge spaced apart from each other in its up and down direction and in which the tuning fork is fixed to the central portion of the rectangular-shaped hinge between the pair of detection piezo-electric elements such that the tuning fork axis becomes substantially perpendicular to the longitudinal direction of the rectangular-shaped hinge portion and parallel to the plane of the rectangular-shaped hinge and the center of mass of the tuning fork coincides with the center of the rectangular-shaped hinge.

REFERENCES:
patent: 3839915 (1974-10-01), Schlitt
patent: 4538461 (1985-09-01), Juptner et al.
patent: 4653325 (1987-03-01), Hojo et al.

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