High efficiency broadband directional sonar transducer

Details High efficiency broadband directional sonar transducer High efficiency broadband directional sonar transducer

1981-12-21

1984-03-27

Tudor, Harold J.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

310335, 310337, 367155, H04R 1700

Patent

active

044398476

ABSTRACT:
A high efficiency wideband underwater transducer utilizes an axial alignment of transducer elements each employing a thin-walled radially vibrating cylinder mounted coaxially within a 45.degree. conical-shaped reflecting annulus. Each transducer element in the array is made progressively smaller in diameter so that the complete structure takes the shape of a pagoda-like assembly that fits compactly within a small size streamlined waterproof housing.

REFERENCES:
patent: 2438925 (1948-04-01), Krantz
patent: 2922140 (1960-01-01), Levine et al.
patent: 3277451 (1966-10-01), Parssinen
patent: 3302163 (1967-01-01), Andrews, Jr.
patent: 3562451 (1971-02-01), Mullen, Jr. et al.
patent: 3703652 (1972-11-01), Noda
patent: 4209766 (1980-06-01), Teel

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