Disc-like device with eas material

Details Disc-like device with eas material Disc-like device with eas material

G - Physics

11

B

G11B 23/30 (2006.01) G08B 13/22 (2006.01) G08B 13/24 (2006.01) G11B 23/32 (2006.01)

Patent

CA 2263483

A disc device (10) includes a substrate (12) having an information signal pattern (18a, 18b) formed on a surface thereof and a magnetic material layer (20) formed on the information signal pattern which permits for detection of the device by an electronic article surveillance detection system.

Cette invention se rapporte à un dispositif en forme de disque, qui comprend un substrat en forme de disque sur une surface duquel est formé un motif porteur de signaux d'informations, ainsi qu'une couche de matériau magnétique formée sur ce motif porteur de signaux d'informations et qui permet la détection du dispositif en question par un appareil de détection d'un système électronique de surveillance d'articles.

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