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Navigation terminal and method of processing data for a navigation system

  • US 20030083809A1
  • Filed: 12/13/2002
  • Published: 05/01/2003
  • Est. Priority Date: 03/03/2000
  • Status: Active Grant
First Claim
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1. A navigation system for providing data from a server to a navigation terminal via a network, the navigation system comprising:

  • the navigation terminal comprising a wireless communication device connected to the network by wireless communication to send and receive data, a present position detection device for detecting a present position of a movable body, and an instruction device for instructing a predetermined navigation function;

    a navigation server for acquiring positional data corresponding to the detected present position via the network, discriminating map data to be a distribution object to the navigation terminal based on the positional data, and generating navigation information based on the instructed navigation function to provide it to the navigation terminal; and

    a map search server having a memory device for accumulating map data and reading the map data discriminated as the distribution object from the memory device to distribute it to the navigation terminal via the network.

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