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Method and system for restricting the use of position determining devices to defined regions

  • US 20070005244A1
  • Filed: 02/27/2006
  • Published: 01/04/2007
  • Est. Priority Date: 03/19/2003
  • Status: Active Grant
First Claim
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1. A position determining system comprising a position determining component for receiving satellite based positional information, a memory for storing geographic information, a comparator for comparing information from the position determining component to geographic information from the memory, a data I/O, and a controller for controlling the functionality of the position determining component or controlling the data flow to the data I/O or controlling subsequent processing of the satellite based positional information, or including an offset distance into subsequent processing of the satellite based positional information, depending on the output of the comparator.

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