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Communication navigation system and method, communication center apparatus for providing map information, communication navigation terminal, program storage device and computer data signal embodied in carrier wave

  • US 20030040866A1
  • Filed: 08/27/2002
  • Published: 02/27/2003
  • Est. Priority Date: 08/27/2001
  • Status: Active Grant
First Claim
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1. A communication navigation system comprising a communication center apparatus;

  • and a communication navigation terminal, which perform two-way communication on a communication network, (i) the communication center apparatus comprising;

    a map database for storing therein map database information including information for route search, which enables a search for a recommendation route from an origin to a destination;

    a search device for searching for the recommendation route with respect to route search request information that indicates the origin and the destination and that is received through the communication network, on the basis of the information for route search; and

    a center side communication device for wirelessly transmitting, through the communication network, guidance position information including at least any one of information indicating a location of each one of a plurality of guidance positions located on the searched recommendation route, information indicating a direction to be advanced at each one of the plurality of guidance positions and information indicating a route to be advanced at each one of the plurality of guidance positions, and (ii) the communication navigation terminal comprising;

    a terminal side communication device for receiving the guidance position information wirelessly transmitted; and

    a display processing device for displaying a route, which is obtained by connecting the plurality of guidance positions on a map shown with map information for display according to the contents of the received guidance position information, as the recommendation route on the map

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