Acoustic transducer system

Details Acoustic transducer system Acoustic transducer system

1992-05-28

1993-02-16

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Underwater system

367135, H04B 1100

Patent

active

051876906

ABSTRACT:
An acoustic transducer system employs a seawater return cable as a receiver lement. The cable is either open ended or short circuited with the seawater. A carrier frequency is applied at one end of the cable. Acoustic pressure waves impinging the cable change the characteristic input impedance of the cable. The changes in the impedance amplitude and phase angle are processed to derive information descriptive of the acoustic source.

REFERENCES:
patent: 2965877 (1960-12-01), Stein et al.
patent: 4497046 (1985-01-01), Savage

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