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Airport surface vehicle identification

  • US 5,334,982 A
  • Filed: 05/27/1993
  • Issued: 08/02/1994
  • Est. Priority Date: 05/27/1993
  • Status: Expired due to Term
First Claim
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1. An airport vehicle identification system for detecting and identifying vehicles on the surface of an airport, comprising:

  • a ground surveillance radar system which multiplexes and radiates both a conventional radar signal for detecting vehicles on the surface of the airport and a beacon interrogation signal, and which receives both a reflected skin return signal from a detected vehicle indicative of the vehicle'"'"'s position and an encoded ID signal indicative of the vehicle'"'"'s identity; and

    a vehicle mounted transponder for receiving and processing said beacon interrogation signal and for radiating said encoded ID signal when said beacon interrogation signal is valid.

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