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Electronic tracking system employing slant range measurements

  • US 3,223,998 A
  • Filed: 04/06/1962
  • Issued: 12/14/1965
  • Est. Priority Date: 04/06/1962
  • Status: Expired due to Term
First Claim
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1. THE ELECTRONIC SLANT RANGE MEASURING SYSTEM COMPRISING:

  • INTERROGATOR MEANS TRANSMITTING A PLURALITY OF RANGING SIGNALS AND SEQUENTIALLY TRANSMITTING A SERIES OF KEYING SIGNALS;

    A SERIES OF RESPONDER MEANS CORRESPONDING TO SAID SERIES OF KEYING SIGNALS, RESPECTIVELY, EACH OF SAID RESPONDER MEANS BEING RESPONSIVE TO THE RECEIPT OF THE PLURALITY OF RANGING SIGNALS AND ITS CORRESPONDING KEYING SIGNALS FOR TRANSMITTING PLURALITIES OF RECEIVED RANGING SIGNALS;

    RECEIVER MEANS ASSOCIATED WITH SAID INTERROGATOR MEANS FOR RECEIVING THE PLURALITY OF RANGING SIGNALS TRANSMITTED BY EACH OF SAID RESPONDER MEANS;

    A SERIES OF OUTPUT MEANS CORRESPONDING TO SAID SERIES OF RESPONDER MEANS, RESPECTIVELY, EACH OF SAID OUTPUT MEANS BEING RESPONSIVE TO THE PLURALITY OF RANGING SIGNALS RECEIVED BY SAID RECEIVER MEANS FROM ITS CORRESPONDING RESPONDER MEANS FOR PRODUCING SIGNAL

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