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Guidance control system for a traction vehicle

  • US 4,215,759 A
  • Filed: 12/22/1975
  • Issued: 08/05/1980
  • Est. Priority Date: 12/22/1975
  • Status: Expired due to Term
First Claim
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1. A guidance control system for the discipline of a traction vehicle comprising:

  • (a) a plurality of discrete antennae (FIG. 7;

    12,14) arranged in tandem to define a guide path;

    (b) means (FIG. 1;

    40,42) adjacent said guide path for sending steering and traction coded intelligence to said plurality of antennae respectively;

    (c) antenna means (FIG. 1;

    44,46) for receiving said steering and traction coded intelligence, said receiving antenna means being positioned on said vehicle and being electromagnetically coupled to proximate antennae successively along said guide path respectively;

    (d) antenna means for transmitting (FIG. 1;

    34) mounted on said vehicle, said transmitting antenna means being electromagnetically coupled to a proximate one of said discrete antennae;

    (e) transmitter means (FIG. 1;

    30,32) on said vehicle coupled with said transmitting antenna means for sending destination coded intelligence to said transmitting antenna means;

    (f) means (FIG. 1;

    36,38) adjacent said guide path for receiving and decoding said destination coded intelligence from said discrete antennae respectively with the vehicle location being signified by detection of the particular discrete antenna providing the coupling for the vehicle transmission;

    (g) decoder means (FIG. 1;

    58) coupled to said receiving antenna means for receiving and decoding said traction coded intelligence and delivering traction signals;

    (h) guidance demodulating means (FIG. 1;

    48) coupled to said receiving antenna means for receiving and decoding said steering coded intelligence and for delivering a steering signal;

    (i) steering control means (FIG. 1;

    50) coupled to said demodulator means for correcting the heading of said vehicle in response to said steering signal; and

    (j) means (FIG. 8;

    62,64,66) coupled to said guidance demodulating means for initiating and arresting displacement of said vehicle along said guide path as a function of said traction signal.

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