| 摘要 |
A positional information management system includes a positional information management server including a memory and a clock; a card carried by a user in a facility and having a tag IC storing a tag ID; detectors, each detector having a detector ID and a detection range and being installed at a respective location in the facility, for detecting the tag ID via a signal transmitted from the tag IC, and transmitting the tag ID and the detector ID detected to the positional information management server, the memory recording the tag ID and the detector ID, and, from the clock, time at which the detector has detected the tag ID, the positional information management server managing positional information regarding the user, based on the tag ID, the detector IDs, and the times recorded.
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