Extended rfid tag

Details Extended rfid tag Extended rfid tag

G - Physics

06

K

G06K 19/077 (2006.01) G06K 21/00 (2006.01) H01Q 1/24 (2006.01)

Patent

CA 2700987

The invention is directed to an extended radio-frequency identification (RFID) tag. The extended RFID tag includes an ultra-high frequency (UHF) RFID tag having a dipole antenna attached to a first surface of a substrate. The extended RFID tag further includes an antenna extension attached to the UHF RFID tag and overlapping at least a portion of the dipole antenna for electromagnetically coupling the antenna extension and the dipole antenna in operation. The extended RFID tag further includes an insulator positioned between the dipole antenna and the antenna extension to electrically isolate the dipole antenna from the antenna extension.

L'invention est orientée vers une étiquette étendue d'identification en fréquences radio (RFID). L'étiquette RFID étendue inclut une étiquette RFID à fréquence ultra haute (UHF) possédant une antenne dipôle fixée sur la première surface d'un substrat. L'étiquette RFID étendue inclut en outre une extension d'antenne fixée à l'étiquette RFID UHF et chevauchant au moins une partie de l'antenne dipôle afin de coupler électromagnétiquement l'extension d'antenne et l'antenne dipôle en service. L'étiquette RFID étendue inclut en outre un isolateur positionné entre l'antenne dipôle et l'extension d'antenne afin d'isoler électriquement l'antenne dipôle de l'extension d'antenne.

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