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Autonomous vehicle navigation system and method

  • US 6,454,036 B1
  • Filed: 05/15/2000
  • Issued: 09/24/2002
  • Est. Priority Date: 05/15/2000
  • Status: Expired due to Fees
First Claim
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1. A system for guiding a powered vehicle moving across a surface, comprising:

  • a three-axis magnetometer with three magnetometers sensing along mutually orthogonal axes, for sensing the three components of the earth'"'"'s magnetic field;

    a three-axis accelerometer with three accelerometers sensing along mutually orthogonal axes, for sensing the three components of the earth'"'"'s gravitational field;

    means for determining the distance traveled by said vehicle; and

    means, responsive to said three-axis magnetometer and said three-axis accelerometer, and to said means for determining, for guiding the vehicle.

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