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Positional information management system

  • US 20040140906A1
  • Filed: 12/16/2003
  • Published: 07/22/2004
  • Est. Priority Date: 12/16/2002
  • Status: Active Grant
First Claim
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1. A positional information management system comprising:

  • a card carried by a user in a hotel and having a tag IC for storing a tag ID;

    a plurality of detectors each having a detector ID and being installed in the hotel, for detecting the tag ID via transmittance from the tag IC, the tag ID and the detector ID being transmitted;

    recording means for recording a pair of the tag ID and the detector ID, and a time at which the detector has detected; and

    positional information management means including the recording means, for managing positional information of the user, base on the pair and the time.

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