Sonar transducer

Details Sonar transducer Sonar transducer

1964-11-18

1993-12-28

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Transmitter systems

367131, 367158, G01S 1500

Patent

active

052746089

ABSTRACT:
A sonar transducer includes an electro-mechanical transducer coupled to a front mass and a back mass. Annular rings space a compliant diaphragm from the front mass, the diaphragm being in communication with the liquid to which the sonar transducer is exposed. The compliance of the diaphragm is selected to tune the sonar transducer to eliminate reactive components of the impedance of the combined sonar transducer and liquid medium load, and to maximize the radiation resistance of the system.

REFERENCES:
patent: 2407662 (1946-09-01), Hart
patent: 2454264 (1948-11-01), Stigter
patent: 2977572 (1961-03-01), Pope
patent: 3068446 (1962-12-01), Ehrlich

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