Hydrophone with acoustic reflector

Details Hydrophone with acoustic reflector Hydrophone with acoustic reflector

1976-04-07

1977-06-21

Tudor, Harold

Communications: electrical

Selective

Interrogation response

340 8FT, H04B 1300

Patent

active

040315029

ABSTRACT:
A hydrophone comprising an acoustical reflector constituted by a sealed, flexible and deformable container containing two rigid parallel plates separated by lattice sheets of interlaced filaments and at least one piezoelectric transducer with a thin flexible blade fixed at its periphery to a rigid annular support. The reflector and the transducer are entirely embedded in a common synthetic resin layer having a thickness of several millimeters which secures them together and maintains the transducer in proximity to the front face of the acoustical reflector. The layer of resin has a reduced thickness of the order of 1 mm facing the transducer.

REFERENCES:
patent: 3054004 (1962-09-01), Lord
patent: 3329408 (1967-07-01), Branson
patent: 3336573 (1967-08-01), Gallaway et al.
patent: 3546012 (1970-12-01), Dixon et al.
patent: 3555311 (1971-01-01), Weber
patent: 3573394 (1971-04-01), Birnbaum
patent: 3763464 (1973-10-01), Laurent
patent: 3901352 (1975-08-01), Cluzel
patent: 3943388 (1976-03-01), Massa

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