Electricity: measuring and testing – Conductor identification or location – Inaccessible
Patent
1982-07-15
1985-04-09
Krawczewicz, Stanley T.
Electricity: measuring and testing
Conductor identification or location
Inaccessible
324 61R, 73304C, G01R 2726
Patent
active
045104360
ABSTRACT:
A capacitive transducer which comprises a pair of joined-together thin-film capacitors and a fluid-impervious container. The container may be filled with a standard solution of known composition. One of the two thin-film capacitors is immersed in the standard solution inside the container while the other is situated outside the container. The entire transducer may be immersed in a sample, and the capacitance of the outside capacitor, which is dependent on the dielectric constant of the sample, may be compared with that of the inside capacitor after the standard solution has reached thermal equilibrium with the sample.
REFERENCES:
patent: 3215931 (1965-11-01), Schooley
patent: 3774237 (1973-11-01), Hardway
patent: 3774238 (1973-11-01), Hardway
patent: 3986110 (1976-10-01), Overall
patent: 4266188 (1981-05-01), Thompson
Krawczewicz Stanley T.
Solis Jose M.
Southwest Medical Products, Incorporated
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