Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent
1986-04-09
1987-10-27
Jordan, Charles T.
Communications, electrical: acoustic wave systems and devices
Signal transducers
Underwater type
367150, 367188, 181113, 181114, 181401, G01V 1047
Patent
active
047034637
ABSTRACT:
An apparatus for introducing vibrations into the ground including a container having electrodes mounted therein with electrical connections leading from a source of electric potential to said electrodes, salt water substantially filling the container, and means for placing the container on the ground in position to transmit vibrations to the ground.
REFERENCES:
patent: 3244253 (1966-04-01), Blizard
patent: 3356178 (1967-12-01), Nash
patent: 3403375 (1968-09-01), Wright et al.
patent: 3428940 (1969-02-01), Huckabay
patent: 3728671 (1973-04-01), Poston
patent: 4148375 (1979-04-01), Dowler et al.
Eldred John W.
Jordan Charles T.
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