Rotational rate comparator for a fiber optic gyroscope with a 3.

Details Rotational rate comparator for a fiber optic gyroscope with a 3. Rotational rate comparator for a fiber optic gyroscope with a 3.

1999-02-17

2000-11-21

Turner, Samuel A.

Optics: measuring and testing

By light interference

Rotation rate

G01C 1972

Patent

active

061511269

ABSTRACT:
A rotational rate comparator for a fiber optic gyroscope has a 3.times.3 coupler and an evaluating computer to calculate the rotational rate from photodiode signals generated by the fiber optic gyroscope. An electrical circuit is provided that is independent of the evaluating computer, and embodies an algorithm for producing at least one signal that depends on the rotational rate as a function of the photodiode signals. When the rotational rate dependent signal exceeds at least one presettable limiting value the comparator supplies an output signal.

REFERENCES:
patent: 5636022 (1997-06-01), Priest

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