Dither pick-off transducer for ring laser gyroscope

Details Dither pick-off transducer for ring laser gyroscope Dither pick-off transducer for ring laser gyroscope

1981-05-12

1983-09-27

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310330, 356350, H01L 4108, G01B 902

Patent

active

044069650

ABSTRACT:
A piezoelectric pick-off transducer is used for sensing dither velocity in a ring laser gyroscope. The pick-off transducer is mounted on a spoke connecting the hub and rim of the gyroscope and it comprises two spaced electrodes equidistant about the point of inflection of the spoke. A differential amplifier is connected at its input to the electrodes for generating a signal proportional to dither velocity.

REFERENCES:
patent: 2558563 (1951-06-01), Janssen
patent: 3043921 (1962-07-01), Hester
patent: 3153229 (1964-10-01), Roberts
patent: 3421109 (1969-01-01), Wiggins et al.
patent: 4099876 (1978-07-01), Dorsman
patent: 4113387 (1978-09-01), Shutt
patent: 4309107 (1982-01-01), McNair et al.
patent: 4314174 (1982-02-01), Wing et al.
patent: 4321557 (1982-03-01), McNair

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