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Route searching device

  • US 20040088109A1
  • Filed: 07/31/2003
  • Published: 05/06/2004
  • Est. Priority Date: 01/31/2001
  • Status: Active Grant
First Claim
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1. A route searching apparatus comprising:

  • a processing device that searches a guided route along which a vehicle is to be guided from a current vehicle position to a destination and also searches a detour route for detouring a detour segment set over part of the guided route, wherein;

    the processing device extracts guidance-requiring intersections at which the vehicle needs to be guided to follow a course among intersections on the guided route, sets a segment ending at a guidance-requiring intersection close to the current vehicle position among the guidance-requiring intersections as the detour segment, and searches the detour route for detouring the detour segment.

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