Ultrasonic sensor

Details Ultrasonic sensor Ultrasonic sensor

1978-08-23

1980-07-15

Ciarlante, Anthony V.

Measuring and testing

Liquid level or depth gauge

73579, G01N 2902

Patent

active

042122015

ABSTRACT:
A method and apparatus for identifying the fluid in a vessel, such as, a storage tank or pipeline using ultrasonic techniques. The method uses a transducer to project ultrasonic energy through the vessel and a second transducer positioned opposite the first to receive the energy that has been transmitted through the vessel and fluid. The transducers are included in a circuit whose parameters are adjusted to cause the circuit to resonate with the magnitude of the adjusted parameter being related to the fluid in the vessel.

REFERENCES:
patent: 3952578 (1976-04-01), Jacobs
patent: 4015464 (1977-04-01), Miller et al.
patent: 4080837 (1978-03-01), Alexander
patent: 4138879 (1979-02-01), Liebermann

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