Improvements in or relating to oscillating crystal transducer sy

Details Improvements in or relating to oscillating crystal transducer sy Improvements in or relating to oscillating crystal transducer sy

1976-07-01

1978-01-10

Myracle, Jerry W.

Measuring and testing

Fluid pressure gauge

Diaphragm

310331, G01L 708

Patent

active

040672417

ABSTRACT:
A fluid pressure transducer comprises a chamber; one or more matched, plate-like crystals within the chamber; electrical means for exciting each of the crystals and means for transmitting forces originating from fluid pressures on two diaphragms located on the chamber to the crystal or crystals so as to produce a change in the resonant frequency of the crystal or crystals. This change is a measure of the difference in fluid pressures applied to the two diaphragms. SP

REFERENCES:
patent: 3187300 (1965-06-01), Brate

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