Hydrophone array module

Details Hydrophone array module Hydrophone array module

2007-08-13

2008-10-14

Lobo, Ian J (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

C381S174000, C381S191000, C367S181000

Reexamination Certificate

active

07436736

ABSTRACT:
A hydrophone array includes hydrophones having an electret means and may have TFT FETs to generate current in response to received longitudinal wave signals. The arrangement may also be used to transmit longitudinal wave signals. Storage capacitors may be coupled to each TFT FET output to act as sample and hold means. Digital switches may allow the sample and hold circuit to both reset and measure the output of the hydrophone element. Data lines may be used to indicate the location of the received signal on the longitudinal wave detector sensor array.

REFERENCES:
patent: 3736436 (1973-05-01), Crites
patent: 3786495 (1974-01-01), Spence
patent: 4245329 (1981-01-01), Dubois
patent: 4910840 (1990-03-01), Sprenkels et al.

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