G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 19/077 (2006.01) B22F 3/02 (2006.01) G06K 19/073 (2006.01) G09F 3/03 (2006.01) H05K 3/10 (2006.01)
Patent
CA 2508889
A tamper-indicating radio frequency identification device (20) made of densified metal powder (12) and to a sticker including the same device. The present invention also relates to radio frequency identification antenna made of densified metal powder and to a sticker including the same antenna. The present invention also relates to methods of indicating that a radio frequency identification antenna or sticker has been tampered with.
La présente invention concerne un dispositif (20) d'identification par radiofréquence indicateur de fraude qui est constitué de poudre de métal densifiée, ainsi qu'un autocollant comprenant ledit dispositif. La présente invention concerne également une antenne d'identification par radiofréquence qui est constituée de poudre de métal densifiée (12), ainsi qu'un autocollant comprenant ladite antenne. En outre, cette invention concerne des procédés pour indiquer une fraude sur une antenne d'identification par radiofréquence ou sur un autocollant.
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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