Sensor for detecting rotational movement

Details Sensor for detecting rotational movement Sensor for detecting rotational movement

1994-02-14

1995-12-05

Williams, Hezron E.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

G01P 15125, G01P 904

Patent

active

054718759

ABSTRACT:
A sensor for detecting rotational movement includes a cylindrical shaped resonator having an outer surface, a first pair of diametrically opposed driving electrodes provided on the outer surface of the resonator, a second pair of diametrically opposed driving electrodes provided on the outer surface of the resonator, a device for generating concurrently a first force and a second force at each of the first driving electrodes and each of the second driving electrodes, respectively, in such a manner that the first force reverses its direction along the radius of the resonator at a regular interval, the second force reverses its direction along the radius of the resonator at a regular interval, and the direction of the first force is opposite to the direction of the second force.

REFERENCES:
patent: 4655081 (1987-04-01), Burdess
patent: 5218867 (1993-06-01), Varnham et al.

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