Optic scattering acoustic transducer

Communications: electrical – Selective – Having indication or alarm

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Details

340 13R, 340 14, 181122, 73653, G01V 116, H04R 144

Patent

active

041550650

ABSTRACT:
An omnidirectional hydrophone using particles suspended in a liquid acoustically coupled to a conducting environment for detecting acoustic waves by providing scattering of internally generated electromagnetic radiation from particles driven by the acoustic waves.

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patent: 3903496 (1975-09-01), Stimler
Teodorescu, "Linear Displacement Sensor Uses Liquid Crystal Cell", 8/75, p. , Electronic Engineering, vol. 47, #570.

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