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Navigation apparatus for a vehicle and program

  • US 6,978,207 B2
  • Filed: 12/23/2003
  • Issued: 12/20/2005
  • Est. Priority Date: 01/24/2003
  • Status: Active Grant
First Claim
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1. A navigation apparatus for a vehicle comprising:

  • a registration means for registering a place of departure, a destination, and a route traveled by the vehicle;

    a determination means for determining whether an input place of departure and input destination are respectively substantially the same as a place of departure and destination of a registered route;

    a route search means for reading out a portion of a particular registered route from registered route information, the particular registered route having substantially the same place of departure and destination as the respective input place of departure and input destination, and the portion of the particular registered route being that portion of the particular registered route within a predetermined layer of map data which has been organized into layers; and

    a control means for performing route guidance based on a route returned by the search means.

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