Active RFID tag with new use automatic updating

Details Active RFID tag with new use automatic updating Active RFID tag with new use automatic updating

2006-11-30

2009-12-22

Lee, Benjamin C (Department: 2612)

Communications: electrical

Selective

Interrogation response

C340S005220, C340S572100, C340S870030

Reexamination Certificate

active

07636032

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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