Acoustic waveguide voltage monitor

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With voltage or current conversion

Patent

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Details

333133, 324103P, G01R 1918

Patent

active

045146845

ABSTRACT:
The monitor system consists of a voltage controlled oscillator for produc an acoustic wave whose frequency is proportional to the voltage being measured. An acoustic waveguide is used for transmitting the wave to an electrically isolated acoustic to electrical transducer. The output of the transducer is amplified and then displayed on an appropriate readout calibrated in volts.

REFERENCES:
patent: 4151464 (1979-04-01), Cooper
patent: 4281299 (1981-07-01), Newbold
patent: 4437058 (1984-03-01), Kinoshita

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