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Navigation system, server, method, and program

  • US 20090043488A1
  • Filed: 07/25/2008
  • Published: 02/12/2009
  • Est. Priority Date: 08/10/2007
  • Status: Abandoned Application
First Claim
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1. A navigation system for a vehicle, comprising:

  • a memory storing a plurality of nodes representing branch points; and

    a controller configured to;

    guide the vehicle along a travel route;

    detect, at a branch point where the travel route branches off into another route, that the vehicle abandoned advancing along the travel route after trying to advance; and

    store a result of the detection in the memory.

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