Underwater acoustic waveguide transducer for deep ocean depths

Details Underwater acoustic waveguide transducer for deep ocean depths Underwater acoustic waveguide transducer for deep ocean depths

1990-05-31

1991-01-01

Jordan, Charles T.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

367152, 367165, 367157, 310337, H04R 1700

Patent

active

049823868

ABSTRACT:
A deep submergence, acoustically stable directional transducer uses a wavide and an encapsulant to channel sound. The waveguide forms an air space with a housing so that radiated sound is totally reflected at the air space interface. The encapsulant is matched to the acoustic impedance of the sea water at the intended operating depth to minimize reflection at the encapsulant-to-sea water interface.

REFERENCES:
patent: 3748637 (1973-07-01), Larson et al.
patent: 3755698 (1973-08-01), Trott
patent: 4101865 (1978-07-01), Schurr
patent: 4297607 (1981-10-01), Lynnworth et al.
patent: 4488271 (1984-12-01), Held et al.

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