Vibration type transducer

Details Vibration type transducer Vibration type transducer

1979-12-31

1981-11-03

Gill, James J.

Measuring and testing

Specific gravity or density of liquid or solid

73579, 73702, G01N 900, G01L 1100, G01H 1300

Patent

active

042978726

ABSTRACT:
A vibration type transducer is provided in which various physical quantities, for example, the pressure, density, force and temperature are measured from the natural frequencies of the mechanically vibrated vibrator.
The vibrating element is vibrated in a plurality of vibration modes and a plurality of resultant frequency signals are processed to obtain signals associated with the various physical quantities. The system is not influenced by physical quantity other than the physical quantity to be measured.

REFERENCES:
patent: 3449941 (1969-06-01), Banks
patent: 3540265 (1970-11-01), Lynnworth
patent: 3603137 (1971-09-01), Banks
patent: 3975948 (1966-08-01), Makino
patent: 4086809 (1978-05-01), Wu

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