MINE COMMUNICATION SYSTEM Russian patent published in 2014 - IPC E21F17/18 H04W64/00 

FIELD: mining.

SUBSTANCE: system includes a control command detection and shaping device, at least one terminal station adapted for information supply to the operator and for receiving control commands from it, which is connected to the control command detection and shaping device, connected marks of UHF and LF ranges, which are carried by mine workers, and environmental state sensors distributed along an underground working-out and connected via communication channels to the control command detection and shaping device. The system includes connected transponders of UHF and LF ranges, which have the possibility of retransmission of signals of connected marks of UHF and LF ranges, as well as signals of other connection transponders of UHF and LF ranges on the used frequency of the same range, or on the used frequency of the other range, which are distributed along the underground working-out and connected via communication channels to the control command detection and shaping device.

EFFECT: creation of an accident-resistant mine communication system, the main functions of which are maintained during an accident and after it, including in emergency sections of the underground working-out.

5 cl, 1 dwg