Tag detecting system, moving object detecting method, and entrance/exit management system
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United States of America Patent
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Aug 21, 2012
Grant Date -
Jul 16, 2009
app pub date -
Mar 13, 2009
filing date -
Mar 5, 2007
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Abstract
A tag detecting system for detecting a movement of a person or an object that mounts an RFID tag, a moving object detecting method, and an entrance/exit management system using the moving object detecting system are provided. The tag detecting system detects a specific person or object by restricting a detection area of the RFID tag to a narrow area. Since the moving object detecting method detects a piggyback, the entrance/exit system prevents the piggyback even if there are a number of persons passing through an entrance/exit gate almost at the same time.
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