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Track worker safety system

  • US 8,344,877 B2
  • Filed: 07/07/2009
  • Issued: 01/01/2013
  • Est. Priority Date: 07/07/2009
  • Status: Active Grant
First Claim
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1. A safety system for providing notification to an authorized worker in the vicinity of a rail network about an approaching rail vehicle, the system comprising:

  • a worker identifier device adapted to continuously emit information contained within the worker identified device;

    one or more receivers adapted to receive the information emitted by the worker identified device; and

    a processing unit in communication with one or more detectors to determine position of the authorized worker based on at least one of the information received from the worker identification device, information pertaining to the one or more detectors that received the information from the worker identifier device, and information about position of the rail vehicle, wherein the processing unit determines the rail vehicle'"'"'s estimated time to impact the authorized worker based on one of critical time or critical distance.

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