G - Physics – 08 – B
Patent
G - Physics
08
B
G08B 13/24 (2006.01)
Patent
CA 2705190
A security tag includes an EAS component having a defined surface area, and an RFID component having a defined surface area. The EAS component surface area is configured to at least partially overlap the RFID component surface area. The RFID component includes an antenna which at least partially overlaps the first surface. A substantially planar spacer having a thickness is at least partially disposed between the defined surface areas of the EAS and RFID components. The RFID element read range is affected and controlled by the spacing between the RFID element and the EAS element. The RFID reader is capable of activating the RFID component when the RFID component is within the read range. The antenna includes a magnetic loop antenna in electrical contact with a spiral antenna to increase near field read response.
La présente invention concerne une étiquette de sécurité comprenant un élément EAS et un élément RFID ayant des surfaces définies. La surface de l'élément EAS est configurée pour au moins chevaucher partiellement la surface de l'élément RFID. L'élément RFID comprend une antenne qui chevauche au moins partiellement la première surface. Un espaceur essentiellement planaire avec une épaisseur est au moins partiellement disposé entre les surfaces définies des éléments EAS et RFID. La plage de lecture de l'élément RFID est affectée et commandée par l'espacement entre l'élément RFID et l'élément EAS. Le lecteur RFID permet d'activer l'élément RFID lorsque ce dernier se trouve dans la plage de lecture. L'antenne possède une antenne à boucle magnétique au contact électrique d'une antenne en spirale, afin d'augmenter la réponse de lecture des champs proches.
Sensormatic Electronics Llc
Smart & Biggar
LandOfFree
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