Force balanced piezoelectric vibratory rate sensor

Details Force balanced piezoelectric vibratory rate sensor Force balanced piezoelectric vibratory rate sensor

1979-10-01

1981-04-28

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310321, 310314, 73505, H01L 4108

Patent

active

042648386

ABSTRACT:
The present invention is an inertial rate of turn sensor of the vibratory type employing force feed back techniques for maintaining the free end of a cantilever in a nulled lineal path, constant with respect to the casing of the instrument. The current required to maintain the constant lineal path is then a measure of the amplitude of the rate of turn of the case and the phase sense of that current defines the sense of rotation of the case and therefor of the craft.

REFERENCES:
patent: 2309853 (1943-02-01), Lyman et al.
patent: 2513340 (1950-07-01), Lyman
patent: 2683247 (1954-07-01), Wiley
patent: 3924475 (1975-12-01), Stiles
patent: 4079630 (1978-03-01), Friedland et al.
patent: 4157041 (1979-06-01), Loper, Jr. et al.
patent: 4186324 (1980-01-01), Hartzell, Jr.
patent: 4197478 (1980-04-01), Silvus, Jr.

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