Vibrating gyroscope

Details Vibrating gyroscope Vibrating gyroscope

1994-12-08

1997-12-09

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

G01P 904

Patent

active

056963220

ABSTRACT:
A vibrating gyroscope 10 includes a vibrator 12 which has a vibrating body 14, and detecting devices 16a, 16b and a driving device 16c formed on side faces of the vibrating body 14. Output currents of the detecting devices 16a, 16b are converted to voltages by current-voltage converting circuits 24 and 26. Output voltages of the current-voltage converting circuits 24, 26 are fed back to an oscillation circuit 40 which has a phase correction circuit 42 and an amplifying circuit 44. A driving signal having a constant voltage is supplied to the driving device 16c from the amplifying circuit 44. The output signals of the current-voltage converting circuits 24, 26 are supplied to a detecting circuit 52 which has a differential circuit 54 and a synchronous detecting circuit 56.

REFERENCES:
patent: 5349857 (1994-09-01), Kasanami et al.
patent: 5434467 (1995-07-01), Abe et al.

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