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Method and apparatus for position determining

  • US 6,345,231 B2
  • Filed: 07/08/1999
  • Issued: 02/05/2002
  • Est. Priority Date: 07/10/1998
  • Status: Expired due to Term
First Claim
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1. In a unit of equipment having a satellite reception unit capable of receiving global positioning system transmissions and means for determining a precise position thereof, the improvement comprising:

  • (a) means including at least one sensor associated with the equipment for determining a three-dimensional distance from the satellite reception unit to a spaced reference point that is located outside the unit of equipment; and

    (b) a processing unit for calculating the position of the spaced reference point using the position of the satellite reception unit and the distance information from the sensor.

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