Ultrasonic standing wave sensor

Details Ultrasonic standing wave sensor Ultrasonic standing wave sensor

1974-09-27

1976-06-01

Gill, James J.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

340 16R, G06M 704

Patent

active

039600076

ABSTRACT:
This invention relates to an ultrasonic sensor utilizing simultaneous transmission and receipt of ultrasonic energy in a standing wave pattern to detect a target moving in front of a transducer and providing count, range, rate and direction information.

REFERENCES:
patent: 2903886 (1959-09-01), Renaut
patent: 3014364 (1961-12-01), Crooks
patent: 3042899 (1962-07-01), Kendall et al.
patent: 3056284 (1962-10-01), Marsh et al.
patent: 3505866 (1970-04-01), Weisbord et al.

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