Antisubmarine warfare system

Details Antisubmarine warfare system Antisubmarine warfare system

1969-12-12

1983-02-01

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Transponders

Sonobuoys and sonobuoy systems

367123, 367173, G01S 382

Patent

active

043719570

ABSTRACT:
A system for determining the direction of an underwater discrete source of acoustic vibrations by sensing acoustic wavefronts produced thereby, which system comprises a neutrally buoyant semirigid underwater platform which may be made of a water inflated soft walled material and having mounted thereon an array of omnidirectional hydrophones arranged in a predetermined geometric pattern. Circuit means are connected to the hydrophones and an array steering means is associated with the circuit means to allow determination of the time relationship of the signals obtained from the hydrophones.

REFERENCES:
patent: 3019412 (1962-01-01), Crawford
patent: 3116471 (1963-12-01), Coop
patent: 3385391 (1968-05-01), McLoad
patent: 3398394 (1968-08-01), Luehrmann et al.
patent: 3444508 (1969-05-01), Granfors et al.
patent: 3444511 (1969-05-01), Morrow
patent: 3449711 (1969-06-01), Ricketts, Jr. et al.
patent: 3461421 (1969-08-01), Stover

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