Methods and systems for identifying objects as sets and...

Details Methods and systems for identifying objects as sets and... Methods and systems for identifying objects as sets and...

2011-04-12

2011-04-12

Lee, Benjamin C. (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572100, C340S573100, C340S573300, C340S010320, C340S010400, C235S385000, C700S219000, C700S229000

Reexamination Certificate

active

07924161

ABSTRACT:
One embodiment of the present invention is a method for determining when a set of RFID tags on a set of objects belongs to a same defined subset of objects (“set identification”). This method includes the steps of: (1) detecting the set of RFID tags on the set of objects, said RFID tags comprising integrated devices capable of sending signals that can be received by a receptor device and interpreted to determine a motion state of each RFID tag and object; (2) receiving said signals from the set of RFID tags; (3) interpreting said signals to determine the motion state of each RFID tag and object within the set, wherein said signals indicate whether the motion state of each RFID tag and object is in a state of stationary, starting in motion, stopping in motion, or continuing in motion; (4) determining which RFID tags and objects are in a same motion state within a predetermined time of each other; and (5) identifying the RFID tags that are in the same motion state, within the predetermined time, as belonging to the same defined subset of objects.

REFERENCES:
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patent: 7333016 (2008-02-01), Ancel
patent: 2007/0283004 (2007-12-01), Buehler
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patent: 2008/0297352 (2008-12-01), Charlot et al.
patent: 2010/0039280 (2010-02-01), Holm et al.
patent: 2010/0138755 (2010-06-01), Kulkarni et al.

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