Drift suppressing circuit of gyroscope

Details Drift suppressing circuit of gyroscope Drift suppressing circuit of gyroscope

1993-06-28

1994-10-11

Callahan, Timothy P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307494, 307352, 307359, 33326, H03K 524

Patent

active

053550340

ABSTRACT:
An output signal of a gyroscope is input to two differential circuits having different characteristics in a high frequency band. Output signals of the differential circuits are compared in a comparison circuit, and the output signal of the gyroscope at the time when the output signals of the two differential circuits are equal is output from a sampling hold circuit. In the two differential circuits, the difference of the output signal of the gyroscope and an output signal of the sampling hold circuit is output. The output signal of the gyroscope may be input to a time constant circuit having a switching function and a hold function. At this time, the difference of the output signal of the gyroscope and the output signal of the time constant circuit is output from the differential circuit. The output signal of the differential circuit is compared with a reference voltage generated in a reference voltage circuit in a comparator. The switching function of the time constant circuit is controlled by an output signal of the comparator.

REFERENCES:
patent: 4814714 (1989-05-01), Beadle
patent: 4833345 (1989-05-01), Miller
patent: 5087843 (1992-02-01), Narabu et al.
patent: 5159340 (1992-10-01), Smith

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