Personnel detection and protection systems for use in underground mines
AssigneeCoal Industry (Patents) Limited
InventorsDerek K. Barham, Philip P. Jenkins
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Abstract
A personnel detection and protection system comprises sensor means for detecting the presence of personnel in a prohibited operational zone, and for deriving signal means indicative of such a detected presence, and control means responsive to the deriving of such signal means to control the operation or movement of equipment in the prohibited zone.
Claims7
A personnel detection and protection system for use with workings in an underground mine, comprising sensor means for detecting the presence of personnel in a prohibited operational zone and for deriving signal means indicative of such a detected presence, and control means responsive to the deriving of such signal means to control the operation or movement of equipment in the prohibited zone, wherein the working is constituted by a longwall working face and operational mine equipment includes a plurality of mine roof supports advanceable towards the longwall, and wherein the sensor means comprises plural sensors disposed along the longwall.
Dependencies are inferred from the claim text.