Rfid antenna system and method

H - Electricity – 01 – Q

Patent

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Details

H01Q 9/28 (2006.01) G06K 19/077 (2006.01) H01Q 1/22 (2006.01)

Patent

CA 2703205

The present invention provides an RFID device having a substrate body, and an IC component and antenna disposed thereon. The RFID device may further include one or more spacing elements, wherein at least a portion of the substrate body is adapted to be disposed around at least a portion the spacing element, thus reducing the overall size of the substrate body with proper impedance matching. The RFID device may further include an EAS element coupled to the substrate body and/or the spacing element in order to create a combination RFID/EAS device with the ability to reduce its overall footprint without sacrificing the ability to provide both identification and article surveillance functions.

La présente invention porte sur un dispositif d'identification radiofréquence (RFID) possédant un corps de substrat, un composant de circuit intégré (CI) et une antenne disposée sur celui-ci. Le dispositif RFID peut en outre renfermer un ou plusieurs éléments d'espacement, au moins une partie du corps de substrat étant apte à être disposée autour d'au moins une partie de l'élément d'espacement, réduisant ainsi la dimension globale du corps de substrat avec une adaptation d'impédance correcte. Le dispositif RFID peut en outre renfermer un élément de surveillance électronique d'article (EAS), couplé au corps de substrat et/ou à l'élément d'espacement de manière à créer un dispositif combiné RFID/EAS, avec la possibilité de réduire son encombrement global sans sacrifier l'aptitude à remplir des fonctions à la fois d'identification et de surveillance d'article.

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