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System and method for calculating a navigation route based on adjacent cartographic map databases

  • US 6,708,112 B1
  • Filed: 04/25/2003
  • Issued: 03/16/2004
  • Est. Priority Date: 12/11/2001
  • Status: Expired due to Term
First Claim
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1. A method for calculating a route between first and second locations, comprising:

  • providing first and second data maps of at least partially different first and second geographic regions, respectively;

    planning a first partial route partially extending between a first location in said first geographic region and a second location in said second geographic region based on first data map; and

    planning a second partial route partially extending between said second location in said second geographic region and said first location in said first geographic region based on said second data map.

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