Electrical inclination sensor and a monitoring circuit for the s

Details Electrical inclination sensor and a monitoring circuit for the s Electrical inclination sensor and a monitoring circuit for the s

1989-01-27

1990-06-26

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

33363N, 33312, 324660, G01C 1726, G08C 1910

Patent

active

049375180

ABSTRACT:
The sensor comprises a body defining a closed chamber which is partially filled with electrically conductive liquid. A main electrode and first and second auxiliary electrodes extend within the chamber in such a way that a variation in the inclination of the body from a predetermined position causes a corresponding variation in the electrical resistance between each auxiliary electrode and the main electrode. The monitoring circuit for the sensor comprises a generator which applies square-wave signals to the auxiliary electrodes in counterphase, and a detector/amplifier which is synchronized with the generator and samples the signal taken from the main electrode in the sensor.

REFERENCES:
patent: 3906471 (1975-09-01), Shawhan

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