High power, motor driven underwater acoustic transducer

Details High power, motor driven underwater acoustic transducer High power, motor driven underwater acoustic transducer

2007-03-27

2009-12-15

Lobo, Ian J (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

C367S142000

Reexamination Certificate

active

07633835

ABSTRACT:
A high intensity, low frequency underwater transducer for non-lethal deterrence of terrorist swimmers or divers in a body of water. The invention consists of a motor driven flextensional underwater transducer. In one embodiment, the phase of a transducer is sensed, enabling multiple projectors to achieve high acoustic sound pressure levels by beamforming and/or modal constructive interference (e.g. taking advantage of harbor bottom topography and boundaries.).

REFERENCES:
patent: 4667766 (1987-05-01), Melvin
patent: 5646380 (1997-07-01), Vaage
patent: 6085862 (2000-07-01), Tenghamn
patent: 1376049 (2004-01-01), None

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