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Apparatus and method for providing user with road traffic information

  • US 20030225512A1
  • Filed: 05/29/2003
  • Published: 12/04/2003
  • Est. Priority Date: 05/30/2002
  • Status: Abandoned Application
First Claim
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1. An apparatus for providing a user with road traffic information, which gains access to needed electronic map data stored in an electronic map database (DB), displays the accessed electronic map data on a display screen, receives a GPS (Global Positioning System) signal, and reflects current position and direction information of a vehicle on the electronic map, said apparatus comprising:

  • a teletext broadcast receiver for receiving teletext broadcast signals, decoding the teletext broadcast signals, and outputting digital teletext broadcast data;

    a data extractor for extracting unit road identification (ID) information of a prescribed area contained in the electronic map;

    a data selector for selecting road traffic information corresponding to the unit road ID information extracted by the data extractor from among all unit road ID information of an overall road network contained in the digital teletext broadcast data; and

    an external data output unit for processing the road traffic information selected by the data selector, and outputting resultant road traffic information.

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