Electricity: measuring and testing – Determining nonelectric properties by measuring electric...
Patent
1996-10-30
1999-04-27
Do, Diep N.
Electricity: measuring and testing
Determining nonelectric properties by measuring electric...
324652, 324655, 324662, 324682, 340676, 73862194, G01R 2726, G01L 510
Patent
active
058982981
ABSTRACT:
A measuring system measures forces, deformations, and movements. The measuring system comprises at least one LC-circuit, at least one power supply for generating a voltage and a current in the LC-circuits, whereby the frequency, the amplitude, and the phase difference between the current and the voltage in a default situation are known and are furthermore a function of the variable to be measured, as well as at least one detection unit for detecting the frequency and/or the phase difference and/or the amplitude in the LC-circuit. The invention provides therewith a compact, simple and multifunctional measuring system by means of which a reading of the measured value is possible without contact with the subject.
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A. Corry et al., "Measurement of Individual Conductor Tension During Pipe-Type Cable Installation", IEEE Transactions on Power Apparatus and Systems, vol. PAS-88, No. 5, May 1969, pp. 558-565.
Brandsma Arjen
Groot Hulze Hendrikus Willem
Do Diep N.
VAN Doorne's Transmissie B.V.
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