Positional information management system
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United States of America Patent
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Oct 14, 2008
Grant Date -
Jul 15, 2004
app pub date -
Dec 16, 2003
filing date -
Dec 16, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A positional information management system includes a tag attached to an article and having a tag IC storing a tag ID; detectors, each detector having a detector ID and being installed in a hotel, for detecting the tag ID transmitted from the tag IC, the tag ID and the detector ID being transmitted by the detector; a recording device recording pairs of the tag ID and the detector ID, and time at which the tag ID has been detected; and a positional information management device for managing positional information of the article, based on the pairs and the times recorded. Positional information of the articles in the hotel or in various hotel facilities can be obtained.
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