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AIR TRAFFIC CONTROL SYSTEM

  • US 3,623,090 A
  • Filed: 11/15/1968
  • Issued: 11/23/1971
  • Est. Priority Date: 11/15/1968
  • Status: Expired due to Term
First Claim
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1. An aircraft position reporting system comprising:

  • means for determining the Cartesian coordinates of an aircraft from a ground location including a VOR receiver system;

    a distance measuring transmitter and receiver;

    a resolver connected to said VOR receiver and said distance measuring receiver to produce said signals proportional to the Cartesian coordinates of said aircraft relative to said ground location;

    an altitude transducer on the aircraft;

    an identification generator for producing a signal for identifying said aircraft;

    an aircraft proximity reporting encoder receiving said X and Y position coordinates, the output of the altitude transducer and the output of the identification generator and encoding such intelligence into a signal for transmission;

    a send gate connected between said aircraft proximity reporting encoder and said distance measuring transmitter; and

    an area navigation system receiving inputs from said VOR receiver and said distance measuring receiver.

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