A radio frequency identification tag with privacy and...

G - Physics – 06 – K

Patent

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Details

G06K 19/077 (2006.01) B42D 15/00 (2006.01)

Patent

CA 2672478

An RFID tag (100) that is foldable about a generally transverse fold line (101). The line (101) divides the tag (100) into regions 1 and 2. The region 1 has an RFID integrated circuit (104) and areas (105) of electrically conductive material. The region 2 has conductive areas (107) that provide an efficient RFID antenna. In a folded configuration the areas (107) are operatively associated with the integrated circuit (104) while in the open configuration the areas (107) are not functionally associated with the integrated circuit (104). Accordingly in the open configuration the tag (100) is disabled or its RFID performance substantially degraded. The tag (100) can be reversibly altered between the open and folded configurations.

L'invention concerne une étiquette d'identification par radiofréquence (RFID) (100) pouvant être pliée autour d'une ligne de pliage généralement transversale (101). Cette ligne (101) divise l'étiquette (100) en deux régions (1 et 2). La région 1 comporte un circuit intégré RFID (104) et des zones (105) en matière électriquement conductrice. La région 2 comporte des zones conductrices (107) qui fournissent une antenne RFID efficace. En configuration pliée, les zones (107) sont fonctionnellement associées au circuit intégré (104), tandis qu'en configuration ouverte, ces zones (107) ne sont pas fonctionnellement associées au circuit intégré (104). En conséquence, en configuration ouverte, l'étiquette (100) est désactivée ou son efficacité d'identification par radiofréquence est sensiblement réduite. L'étiquette (100) peut passer d'une configuration ouverte à une configuration fermée ou inversement de manière réversible.

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