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Route guiding explanation device and route guiding explanation system

  • US 6,577,950 B2
  • Filed: 01/05/2001
  • Issued: 06/10/2003
  • Est. Priority Date: 01/12/2000
  • Status: Active Grant
First Claim
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1. A route guiding explanation device for guiding a route to a destination as instructed while in traveling, comprising:

  • landmark absolute position storing means for storing a pair of a landmark as a mark while in traveling and its absolute position;

    landmark section travel explanation storing means for storing route explanations on how to travel from a starting point landmark as a starting point to a destination landmark as the destination;

    first detecting means for detecting the landmark which is a most nearest to a present location from said landmark absolute position storing means;

    second detecting means for detecting the landmark which is a most nearest to said destination from said landmark absolute position storing means; and

    explanation renewing means for obtaining and informing route explanations from said landmark section travel explanation storing means based on each detecting result of the first and the second detecting means.

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