Mine emergency communication cable and method for use

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

H - Electricity

01

B

325/2, 337/76

H01B 5/08 (2006.01) E21F 11/00 (2006.01) E21F 17/18 (2006.01) H01B 5/12 (2006.01) H01B 7/00 (2006.01) H04B 5/00 (2006.01) H04B 13/02 (2006.01)

Patent

CA 1310065

-20- 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 non-insulated tin plated copper wires and stainless steel wires and 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 non-insulated 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.

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