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Navigation apparatus, navigation method, and information recording medium in which program for navigation is computer-readably recorded

  • US 6,510,385 B2
  • Filed: 12/12/2001
  • Issued: 01/21/2003
  • Est. Priority Date: 12/14/2000
  • Status: Expired due to Fees
First Claim
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1. A navigation apparatus comprising:

  • a predetermined route setting device for setting a predetermined route which a mobile unit travels;

    an inferring device for inferring whether or not the mobile unit deviates from the predetermined route during traveling of the mobile unit along the predetermined route;

    a setting start device for, when it is inferred that the mobile unit deviates from the predetermined route, starting to set the inferred predetermined route where the mobile unit travels after deviating from the predetermined route;

    a determining device for determining whether or not the mobile unit is on the inferred predetermined route; and

    an adoption device for adopting the inferred predetermined route as a new predetermined route, when the determining device determines the mobile unit is on the inferred predetermined route.

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