Radio frequency identification system

Details Radio frequency identification system Radio frequency identification system

G - Physics

01

V

G01V 3/12 (2006.01) G01S 13/74 (2006.01) G01S 13/75 (2006.01) G06F 21/00 (2006.01) G06K 7/00 (2006.01) G06K 19/07 (2006.01)

Patent

CA 2667552

A reader emits a low frequency signal to energize a RPID tag. The RFID tag responds with a high frequency signal. An antenna on the RFID tag functions as a resonant circuit upon receiving the low frequency signal to power up the RFID tag. In one embodiment, the high frequency signal is a millimetre frequency signal.

Un lecteur émet un signal radio fréquence faible pour exciter une étiquette RFID. L'étiquette RFID répond par un signal haute fréquence. Une antenne sur l'étiquette RFID fonctionne comme circuit de résonance, à réception du signal basse fréquence, pour la mise sous tension de l'étiquette RFID. Dans une forme d'exécution, le signal haute fréquence est un signal de fréquences millimétriques.

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