Patents Assigned to C.T. Systems CC
  • Refuge bay monitoring system
    Patent number: 6317041
    Abstract: A refuge bay monitoring system including a radio system connected to a computer in an above-ground control room, and a controller connected to a radio system in a below-ground refuge bay or safe area for mine workers. The controller monitors the operation of equipment in the refuge bay and any doors to the refuge bay. The refuge bay radio system communicates with the radio system in the above-ground control room so the computer can monitor the refuge bay. The radio systems provide intercommunication for data and voice.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: November 13, 2001
    Assignee: C.T. Systems CC
    Inventors: Asher Singer, Andy Steenkamp