Voltage measuring device

Details Voltage measuring device Voltage measuring device

1983-05-11

1985-04-09

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With voltage or current conversion

324457, 355 3CH, G01R 1926, G01R 2912

Patent

active

045104433

ABSTRACT:
A voltage measuring device includes a surface acoustic wave propagating medium and transmitting and receiving transducers coupled to the medium. An electrode that receives an unknown voltage is applied to the medium for effecting, when the unknown voltage is supplied, a frequency change in the acoustic wave propagating through the medium. A detector is provided for detecting the frequency change which is an indication of voltage supplied to the electrode.

REFERENCES:
patent: 3293557 (1966-12-01), Denton
patent: 4233573 (1980-11-01), Grudkowski
"SAW Oscillator . . . "; Electronic Design; No. 25; Dec. 6, 1977; p. 38.

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