Radio frequency identification apparatuses

In one embodiment, a method includes transmitting a signal from a wireless transmitter to a radio frequency (RF) device of a plurality of RF devices within a communication range of the transmitter. The signal is to select a group of the RF devices. A reply signal is received from each RF device if t...

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Bibliographische Detailangaben
Hauptverfasser:	O'Toole, James E, Tuttle, John R, Tuttle, Mark E, Lowrey, Tyler, Devereaux, Kevin M, Pax, George E, Higgins, Brian P, Ovard, David K, Yu, Shu-Sun, Rotzoll, Robert R
Format:	Patent
Sprache:	eng
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Beschreibung
Zusammenfassung:	In one embodiment, a method includes transmitting a signal from a wireless transmitter to a radio frequency (RF) device of a plurality of RF devices within a communication range of the transmitter. The signal is to select a group of the RF devices. A reply signal is received from each RF device if the respective RF device determines that it is a member of the group.