Electronic dither compensator for a ring laser gyro
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United States of America Patent
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-
Sep 9, 1986
Grant Date -
N/A
app pub date -
Apr 3, 1985
filing date -
Apr 3, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic dither compensator for a ring laser gyroscope uses a velocity pickoff to eliminate the need for a differentiator following a displacement pick off in order to get a rate signal. The dither pickoff is converted, in a voltage to frequency converter, to a pulse train which is synchronized with the pulse train of the uncompensated input from the gyro detector. An automatic gain control with an amplitude control loop is provided. The pulses from the voltage-to-frequency converter and uncompensated inputs are synchronized and summed and differenced as selected by means of logic to produce gyro output pulses free from the effects of dither rate.
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