Hydrophone arrangement and bunker for housing same

Details Hydrophone arrangement and bunker for housing same Hydrophone arrangement and bunker for housing same

1997-08-06

1999-07-06

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Receivers

181122, G01V 116

Patent

active

059205245

ABSTRACT:
A hydrophone arrangement, housed within a dome shaped concrete and steel bunker, to accurately establish a bearing of a target object while diminishing potential displacement of the hydrophone arrangement from an initial installed position. A plurality of hydrophones are centrally positioned within the bunker and equally spaced about a periphery of a steel cylindrical member so that each hydrophone receives acoustic energy in a time delay manner with respect to the other adjacent hydrophones so that a bearing determination may be made from information received by a single stand alone bunker. An acoustic horn may also be provided to focus the acoustic energy towards the hydrophones to improve the signal-to-noise ratios and provide control of the phase of the acoustic energy as the energy is received by the hydrophones.

REFERENCES:
patent: 3699508 (1972-10-01), Massa
patent: 3980985 (1976-09-01), Dale et al.
patent: 4692906 (1987-09-01), Neeley
"RD Instruments Workhouse Complete|", Sea Technology, Jan. 1997, n.p.
"Trawl--Resistant Bottom Mounts", Flotation Technologies, n.p.

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