Plug-in geophone case

Details Plug-in geophone case Plug-in geophone case

1984-11-30

1987-01-13

Jordan, Charles T.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Towed land cables

367178, 367188, 181112, 181122, H04R 102, G01V 116

Patent

active

046370013

ABSTRACT:
In accordance with an illustrative embodiment of the present invention, a plug-in geophone case includes a body having an open top and a cavity that receives a seismic detector having positive and negative terminals, receptacles on opposite sides of said body for plugging the case into leader cables, a set of three connector pins molded in the case adjacent each receptacle, one end of each pin extending into a receptacle and the other end extending into a recess in the body adjacent one of said terminals, a cover plate for closing the open top of said case, and means for sealingly fastening a connector plug in each of said receptacles, said plugs and receptacles having mating means to prevent connection with the wrong polarity.

REFERENCES:
patent: 2654077 (1953-09-01), McLoad
patent: 2908890 (1959-10-01), Campbell et al.
patent: 2958842 (1960-11-01), Schaefer
patent: 3119978 (1964-01-01), Sears
patent: 3591835 (1971-07-01), Sloop

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