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Navigation system and method, and computer program product

  • US 20050055155A1
  • Filed: 07/21/2004
  • Published: 03/10/2005
  • Est. Priority Date: 07/22/2003
  • Status: Active Grant
First Claim
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1. A navigation system having a navigation apparatus, a server apparatus and a route information transmittance apparatus, which are capable of transferring and receiving information in bidirectional inter-communication via a communication network, (i) said route information transmittance apparatus comprising:

  • an input device for inputting route search information indicating an instruction relating to a route search; and

    a transmittance device for transmitting the inputted route search information to said server apparatus, (ii) said server apparatus comprising;

    a server side communication device for receiving the route search information transmitted from said route information transmittance apparatus;

    an authentication device for authenticating whether or not the received route search information is available for said navigation apparatus; and

    a search device for performing the route search on the basis of the authenticated route search information, wherein said server side communication device further transmits search result information indicating a route searched by said search device to said navigation apparatus, and (iii) said navigation apparatus comprising;

    a terminal side communication device for receiving the search result information; and

    a route guidance device for performing a route guidance on the basis of the received search result information.

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