Antitheft label and method for deactivating said label,...

G - Physics – 08 – B

Patent

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Details

G08B 13/22 (2006.01) G08B 13/24 (2006.01)

Patent

CA 2206791

The antitheft influence system (1) comprises a pressure sensitive label (6) on which is placed either a flat coil (2) with turns (3) for influencing by radiofrequency sensor means in shops, or a magnetic material band (22) for a magnetic influence. A substance (8) in the form of a colloidal gel is arranged at the vicinity of the influence system (1). In the case of the flat coil system (2), the gel contains water in order to short-circuit the turns (3). In the case of the magnetic band system (22), the gel contains either a ferromagnetic powder in order to bias permanently the band or an acid in order to degrade the band (22). A pocket (17) is provided to keep the gel for immediate availability and provides for its dispersion under the effect of a pressure force (P). Utilization for neutralizing without using electromagnetic deactivation, particularly for antitheft influence systems for clothing articles.

Le système d'influence antivol (1) comprend une étiquette autocollante (6) sur laquelle est placée, soit une bobine plate (2) à spires (3) pour une influence par radiofréquence sur des moyens détecteurs de magasins, soit une bande de matériau magnétique (22) pour une influence magnétique. Une substance (8) sous forme de gel colloïdal est disposée à proximité du système d'influence (1). Dans le cas du système à bobine plate (2), le gel contient de l'eau, de façon à assurer un court-circuit des spires (3). Dans le cas du système à bande magnétique (22), le gel contient soit une poudre ferromagnétique, pour polariser en permanence la bande, soit un acide, pour dégrader la bande (22). Une poche (17) permet de garder le gel pour une disponibilité immédiate et permet d'assurer sa dispersion sous l'effet d'une force de pression (P). Utilisation pour neutraliser sans utiliser de désactivation électromagnétique, notamment pour des systèmes d'influence antivol de vetêments.

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