Ultrasonic transmitter-receiver

Details Ultrasonic transmitter-receiver Ultrasonic transmitter-receiver

1981-12-08

1984-07-03

Farley, Richard A.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

179110A, 310332, 367140, H04R 1700

Patent

active

044581700

ABSTRACT:
An ultrasonic transmitter-receiver is characterized in that a diaphragm is disposed at the center of a laminated piezo-electric element and the periphery of the diaphragm is flexibly fixed in a housing through a buffer member of elastic rubber or the like in order to suppress mechanical oscillation.

REFERENCES:
patent: 2646853 (1953-07-01), Pocock
patent: 3645356 (1972-02-01), Sotome
patent: 3786202 (1974-01-01), Schafft
patent: 4078160 (1978-03-01), Bost
patent: 4283605 (1981-08-01), Nakajima

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