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

H - Electricity

01

S

345/10

H01S 3/083 (2006.01) G01C 19/70 (2006.01)

Patent

CA 1165429

Title of the Invention; DITHER-PICK-OFF TRANSDUCER FOR RING LASER GYROSCOPE Inventor: Bo Hans Gunnar Ljung ABSTRACT OF THE DISCLOSURE 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.

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