Protection by underwater sound waves

Details Protection by underwater sound waves Protection by underwater sound waves

1967-02-21

1980-04-08

Farley, Richard A.

Acoustics

Wave generation

181139, 367 93, G10K 1000, G08B 1316

Patent

active

041967895

ABSTRACT:
Underwater protection for ships, for channels at harbor entrances and the like is obtained by the use of this invention in which one or more sending wires are put under tension under water and a mechanical vibration is applied to each sending wire longitudinally. Sound waves are propagated into the water from the entire underwater length of the cable. A suitable sound receiver is spaced under water separated from the sending wire to include the area to be protected. The sound put forth by this sending wire may be enhanced by attaching one or more disks to the submerged portion of the sending wire. A curtain wall of sound propagation is thereby created, which may be of great power and intensity and which would be in the low-frequency range.

REFERENCES:
patent: Re23381 (1951-06-01), Bodine
patent: 2401929 (1946-06-01), Hammond, Jr.
patent: 2684725 (1954-07-01), Kock
patent: 2749531 (1956-06-01), Rines
patent: 2783459 (1957-02-01), Lienau et al.
patent: 3309652 (1967-03-01), Trent et al.
patent: 3317889 (1967-05-01), Barrand

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