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Apparatus for guiding a vehicle

  • US 4,458,775 A
  • Filed: 03/04/1982
  • Issued: 07/10/1984
  • Est. Priority Date: 03/06/1981
  • Status: Expired due to Fees
First Claim
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1. In an apparatus for guiding a land vehicle as it moves along a nominally straight path, said apparatus comprising detector means for producing a deviation signal in response to deviation of a heading of said vehicle from a reference direction, said detector means comprising compass means for providing said reference direction, heading responsive means for responding to a change of said heading relative to said reference direction, and adjustment means for adjusting said heading responsive means relative to said vehicle and setting said heading steering means for controlling steering of said vehicle;

  • and control means for controlling said steering means in response to said deviation signal;

    the improvement comprising;

    said detector means further comprising means for providing said deviation signal as a progressive function of said heading deviation from said reference direction; and

    said steering means and said control means comprising means for providing progressive functions of said deviation signal, steering said vehicle back toward said path, and correcting said heading deviation of said vehicle.

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