Locating system for items having RFID tags

Details Locating system for items having RFID tags Locating system for items having RFID tags

2006-02-13

2010-06-22

Zimmerman, Brian A. (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S539130, C340S539210, C340S457000, C340S010100, C455S456100, C370S328000, C235S385000

Reexamination Certificate

active

07741967

ABSTRACT:
A locating system for an archive having multiple objects stored therein includes an RFID reader device having an RFID reader to detect and read RFID tags on the objects. A central processing unit includes a database to store information on each object in the archive, a location engine operating system in communication with the RFID reader device, and a data structure to store a relative position of each object in the archive relative to each other object in the archive. A method of locating an object within an archive containing multiple objects includes carrying an RFID reader device through the archive. The RFID reader device queries each RFID tag for the identifier associated with the RFID tag and determines whether each identifier is an old identifier stored in a memory or a new identifier not stored in the memory. If one or more of the identifiers is a new identifier, a linkage is defined between each object associated with a new identifier and each other object within the range of the RFID reader device. Each linkage is saved in a data structure and each new identifier is stored in the memory.

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