Underwater acoustic wave transmitting and receiving unit

Details Underwater acoustic wave transmitting and receiving unit Underwater acoustic wave transmitting and receiving unit

1985-04-12

1987-09-15

Jordan, Charles T.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

367157, 367160, 367166, H04R 117

Patent

active

046944400

ABSTRACT:
An underwater acoustic wave transmitting and receiving unit having excellent characteristics for both transmitting and receiving and providing stable characteristics over long operating periods. A plate-shaped polarized piezoelectric resonator is provided formed of at least one plate made of a complex of fluorosilicon rubber and lead titanate. The resonator is sealed in a rubber casing filled with an insulating liquid matching the water around the casing in acoustic impedance.

REFERENCES:
patent: 2545101 (1951-03-01), Meunier
patent: 3018466 (1962-01-01), Harris
patent: 3346838 (1967-10-01), Johnson, III et al.
patent: 4081786 (1978-03-01), Richard
patent: 4173009 (1979-10-01), Toda
patent: 4278000 (1981-07-01), Saito et al.
patent: 4618240 (1986-10-01), Sakurai et al.

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