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Automatic vehicle guidance protection system

  • US 8,386,111 B2
  • Filed: 07/10/2007
  • Issued: 02/26/2013
  • Est. Priority Date: 07/10/2007
  • Status: Active Grant
First Claim
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1. An automated vehicle protection system comprising:

  • a guideway for guiding a vehicle along a path, the guideway comprising a first section and a second section;

    a vehicle to be guided along the path;

    a first guideway loop antenna associated with the first section of the guideway for transmitting and receiving signals to and from the vehicle;

    a second guideway loop antenna associated with the second section of the guideway for transmitting and receiving signals to and from the vehicle, wherein the first and second guideway loop antennae are configured in a series arrangement;

    a transceiver coupled to the first guideway loop antenna for receiving a signal from the vehicle and selectively generating an inhibit signal in response thereto, to inhibit vehicle movement in the second section of the guideway; and

    a transponder mounted on the vehicle for receiving a signal from the guideway loop antenna and transmitting a response to the guideway loop antenna.

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