System and method of detecting movement of an item
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United States of America Patent
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Jun 8, 2004
Grant Date -
Jan 1, 2004
app pub date -
Jun 27, 2002
filing date -
Jun 27, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system for determining movement of an item bearing an RFID label. The system includes an RFID reader for receiving RFID label identification information from an RFID label associated with the item, and a computer for determining a location of the RFID label and the item by determining location information for the RFID reader, for determining a preferred location for the RFID label and the item, and for comparing the determined location with the preferred location to determine that the RFID label and the item have been moved.
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