Encapsulated hydrophone element for towed hydrophone array

Details Encapsulated hydrophone element for towed hydrophone array Encapsulated hydrophone element for towed hydrophone array

1993-09-23

1995-05-02

Eldred, J. Woodrow

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

367155, 367159, 367162, 367 20, 310337, 310340, 29594, H04R 1700

Patent

active

054126215

ABSTRACT:
Disclosed is an encapsulated hydrophone assembly for use in a towed hydrophone array. The assembly comprises (1) a hydrophone element having a hydrophone electrical conductor, (2) an insulated input electrical lead and an insulated output electrical lead coupled to the hydrophone electrical conductor, (3) an electromagnetic shield surrounding the hydrophone element and the hydrophone electrical conductor, the input electrical lead and the output electrical lead extending from the electromagnetic shield and (4) a layer of encapsulating material surrounding the hydrophone element, the hydrophone electrical conductor, a portion of the input electrical lead, a portion of the output electrical lead and the electromagnetic shield to thereby form the hydrophone assembly. The material electrically insulates the electromagnetic shield from the hydrophone electrical conductor, the input electrical lead and the output electrical lead and prevents fluids surrounding the hydrophone assembly from contacting the electromagnetic shield.

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