Communications: electrical – Underwater – Electrodes and electrode systems
Patent
1978-04-27
1980-02-05
Farley, Richard A.
Communications: electrical
Underwater
Electrodes and electrode systems
325 28, H04B 1302
Patent
active
041874897
ABSTRACT:
Apparatus for propagating electrical signals through a conducting dielectric fluid such as salt water includes a pair of electrodes, one of which is a point electrode composed of a nipple or finger-like member, and the other of which is a plane electrode composed of an annular plate. The two electrodes are immersed in the conducting dielectric fluid and spaced apart along an axis and then electrical energy is applied to the two electrodes to produce a varying voltage therebetween. The voltage difference is modulated in accordance with information to be transmitted and, as a result, a time-varying polarization field is produced in the conducting medium and this field propagates through the medium.
REFERENCES:
patent: 3230506 (1966-01-01), Hellund
patent: 3497869 (1970-02-01), Silverman
patent: 3946354 (1976-03-01), Keck
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