Mine communication cable and method for use

Details Mine communication cable and method for use Mine communication cable and method for use

1987-11-17

1992-09-08

Kuntz, Curtis

Telecommunications

Transmitter and receiver at separate stations

Earth or water medium

174 28, H04B 1302

Patent

active

051466112

ABSTRACT:
A mine emergency communication cable and a method for use. The cable is comprised of a plurality of brightly colored, lightweight, strong synthetic fibers having a plurality of noninsulated tin plated copper wires and stainless steel wires at least one insulated copper wire interwoven with the synthetic fibers. At least two transceivers are inductively coupled to the cable creating a radio communication link. The noninsulated wires allow pieces of the cable to be connected by tying a knot in the cable. The insulated wire increases the communication distance by supporting the bifilar radio communication mode. The cable can also function as a physical guide which miners can follow to a safe location during a mine emergency.

REFERENCES:
patent: 4010619 (1977-03-01), Hightower et al.
patent: 4679600 (1987-07-01), Dougherty
patent: 4777652 (1988-10-01), Stolarczyk

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