General displacement sensor

Details General displacement sensor General displacement sensor

1976-06-07

1977-11-15

Rolinec, Rudolph V.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

73304C, 331 65, 340244C, G01R 2726

Patent

active

040587657

ABSTRACT:
General resistive and capacitive circuitry for sensing and displaying liquid or powder level in a container, linear or rotational displacement of a body, ambient moisture content of the atmosphere, and similar physical quantities, using substantially the same circuitry for each such quantity.

REFERENCES:
patent: 3042908 (1962-07-01), Pearson
patent: 3392349 (1968-07-01), Bartley
patent: 3486108 (1969-12-01), Rosica et al.
patent: 3533286 (1970-10-01), Westcott et al.
patent: 3553575 (1971-01-01), Shea
patent: 3651505 (1972-03-01), Schmidt
patent: 3710244 (1973-01-01), Rauchwerger
patent: 3868664 (1975-02-01), Hill
patent: 3897798 (1975-08-01), De Vale
Capacitive Transducers by Foldvari et al., Instruments & Control Systems, Nov. 1964, vol. 37, pp. 77-84.

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