Universal rfid tags and manufacturing methods

G - Physics – 06 – K

Patent

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Details

G06K 19/07 (2006.01) H04B 5/00 (2006.01)

Patent

CA 2755089

Radio frequency identification (RFID) devices, and methods of manufacture are described herein. In one implementation, a RFID device comprises: a near field only RFID tag (200, 205, 450) that does not function as a far field RFID tag and is pre-manufactured; and a conductive element (302, 452) independent from the near field only RFID tag and adapted to function as a far field antenna. The near field only RFID tag is coupled to a first portion (504) of an item (408, 454); and the conductive element is coupled to a second portion (508) of the item, the first portion and the second portion located such that the near field only RFID tag is coupled in proximity to the conductive element such that the RFID device functions in both a near field and a far field.

La présente invention concerne des dispositifs d'identification par radiofréquence (RFID), ainsi que des procédés de fabrication. Dans un mode de réalisation, un dispositif RFID comprend : une étiquette RFID en champ proche uniquement (200, 205, 450) qui ne fonctionne pas comme une étiquette RFID en champ lointain et qui est préfabriquée, ainsi qu'un élément conducteur (302, 452) indépendant de l'étiquette RFID en champ proche uniquement et capable de fonctionner sous forme d'antenne en champ lointain. L'étiquette RFID en champ proche uniquement est couplée à une première partie (504) d'un élément (408, 454) et l'élément conducteur est couplé à une seconde partie (508) de l'élément. La première et la seconde partie sont placées de sorte que l'étiquette RFID en champ proche uniquement soit couplée à proximité de l'élément conducteur afin que le dispositif RFID fonctionne à la fois en champ proche et en champ lointain.

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