Vibrational gyroscope

Details Vibrational gyroscope Vibrational gyroscope

1985-08-29

1987-02-24

Kreitman, Stephen A.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

G01C 1956

Patent

active

046447938

ABSTRACT:
A vibrational gyroscope is provided with a vibrating member in the form of a flexible annular shell extending from a flat flexible plate. In use, the flat plate is vibrated and excites radial vibrations in the lip of the annular shell. When the gyroscope is rotated about the shell axis, the nodes of these radial vibrations shift around the circumference of the lip, due to the action of Coriolis forces. The radial nodes of the vibrations in the plate shift similarly and their movement is detected by sensing means on the plate, giving an indication of the rotation rate.

REFERENCES:
patent: 2627400 (1953-02-01), Lyman et al.
patent: 3182512 (1965-05-01), Jones et al.
patent: 3408872 (1968-11-01), Simmons et al.
patent: 3625067 (1971-12-01), Emslie
patent: 3656354 (1972-04-01), Lynch
The Marconi Review, Fourth Quarter, 1982, pp. 231-249, (Dr. R. M. Langdon).

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