Marsh case for a geophone

Details Marsh case for a geophone Marsh case for a geophone

1982-03-26

1984-09-04

Wilbur, Maynard R.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Receivers

174 65SS, G01V 116, H01R 1358

Patent

active

044701349

ABSTRACT:
A geophone marsh case, for use in wetlands, contains a geophone. An electric cable delivers geophone signals to the outside world and provides a means for pulling an emplaced geophone from the mud. The cable is anchored to the marsh case both internally and externally in order to preserve the integrity of a water seal that surrounds the cable in the cable entry port of the marsh case.

REFERENCES:
patent: 2361215 (1944-10-01), Lamberger et al.
patent: 3667783 (1972-06-01), Sotolongo
patent: 3931453 (1976-01-01), Hall, Jr.
patent: 4299363 (1981-11-01), Datschefski

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