Active RFID tag with new use automatic updating
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United States of America Patent
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Dec 22, 2009
Grant Date -
Oct 11, 2007
app pub date -
Nov 30, 2006
filing date -
Nov 30, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A process for tracking an object within an inventory control space is provided. The space is illustratively a medical care delivery setting. An active radiofrequency (RFID) tag is encoded with a single-use code and associated with an inventory item. After a trigger event, the RFID tag transmits a modified broadcast. The single-use code that is a new number with at least one sparse digit or a new secondary number with a retained primary digit. An RFID tag configured to retain such a code scheme is provided. A hospital inventory item labeled with such an RFID tag is also provided.
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