Pressure compensating sound transducer apparatus

Details Pressure compensating sound transducer apparatus Pressure compensating sound transducer apparatus

1975-03-31

1977-01-04

Tudor, Harold

Communications: electrical

Selective

Having indication or alarm

340 7PC, 340 12R, H04B 1300

Patent

active

040017656

ABSTRACT:
An electromagnetic, high compliance, high displacement low frequency underwater sound transducer is provided for use at great depths without gas compensation. Fluid filled chambers having flexible walls of predetermined area and compliance provide proper acoustic impedance to allow large transducer diaphragm displacements to radiate high power with reasonable efficiency when connected to a chamber located behind the transducer diaphragm.

REFERENCES:
patent: 1312510 (1919-08-01), Baker
patent: 2390847 (1945-12-01), Olson
patent: 2404784 (1946-07-01), Bostwick
patent: 2405179 (1946-08-01), Black, Jr. et al.
patent: 3118125 (1964-01-01), Sims
patent: 3219970 (1965-11-01), Sims
patent: 3264605 (1966-08-01), Vincent
patent: 3760346 (1973-09-01), Kieser et al.
patent: 3764966 (1973-10-01), Abbagnaro

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