Non-reusable identification device

Details Non-reusable identification device Non-reusable identification device

G - Physics

08

B

G08B 13/14 (2006.01)

Patent

CA 2520113

An identification device has a band and a non-reusable tamper-resistant fastening arranged to join opposite end regions of the band to fasten it around a limb of a user. A transponder circuit is attached to the band, and is responsive to a received wireless signal. In response to the received wireless signal, the transponder emits a wireless signal representative of information pre-stored in the transponder. An electrically conductive continuous loop on the band extends from the transponder and forms an electrically continuous path along substantially the entire length of the band, the loop being frangible and easily broken in response to an attempt to remove the band from the wearer~s limb. Circuitry in the transponder is electrically connected to the loop and arranged to become inoperative and disable to the transponder if the loop is broken.

L'invention concerne un dispositif d'identification comportant une bande et une fixation inviolable à usage unique, destinée à assembler deux parties terminales opposées de la bande de manière à fixer celle-ci autour d'un membre d'un utilisateur. Un circuit de transpondeur est fixé à la bande et répond à un signal radio reçu. En réponse au signal radio reçu, le transpondeur émet un signal radio représentatif d'informations préenregistrées dans le transpondeur. Une boucle continue électroconductrice, formée sur la bande, s'étend à partir du transpondeur et forme une voie électriquement continue le long de la quasi totalité de la bande, ladite boucle pouvant être rompue aisément afin de retirer la bande du membre de l'utilisateur. Les circuits du transpondeur sont connectés électriquement à la boucle et conçus pour devenir inactifs et désactiver le transpondeur lorsque la boucle est rompue.

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