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Apparatus for detecting position information of a moving object

  • US 20040239552A1
  • Filed: 09/04/2003
  • Published: 12/02/2004
  • Est. Priority Date: 06/02/2003
  • Status: Active Grant
First Claim
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1. An apparatus for detecting position information of a moving object, the apparatus comprising:

  • a transponder installed on a predetermined location of a road, for storing position information associated with the installed location;

    a communication module mounted to a moving object, for emitting an RF (Radio Frequency) signal toward a road surface, and for receiving position information associated with the transponder'"'"'s installation location from the transponder located within a predetermined distance from the moving object using the RF signal; and

    a reader for receiving position information associated with the transponder'"'"'s installation location from the communication module, and for reading a current position of the moving object.

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