Proximity detaching for electronic article surveillance tags

G - Physics – 08 – B

Patent

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Details

G08B 13/14 (2006.01) E05B 73/00 (2006.01) E05B 47/00 (2006.01)

Patent

CA 2504782

A reusable EAS tag that is detachable from an article by placing the EAS tag in proximity to a detaching device is provided. The tag includes an energy coupler, a micro-actuator, and a clamping mechanism. The detaching device transmits a signal to the EAS tag to signal detachment, which is received by the energy coupler. The energy coupler converts the energy from the transmitted signal to electrical energy and delivers the electrical energy to the actuator. The actuator converts the electrical energy to mechanical energy to actuate the clamping mechanism and release the tag's locking or clamping mechanism for removal of the tag from the article to which it is attached.

L'invention concerne une étiquette de surveillance d'article électronique (EAS) réutilisable pouvant être séparée d'un article par positionnement de ladite étiquette à proximité d'un dispositif de libération. L'étiquette comprend un coupleur d'énergie, un micro-actionneur et un dispositif de serrage. Le dispositif de libération émet un signal vers l'étiquette EAS afin de signaler sa libération, ce signal étant reçu par le coupleur d'énergie. Ledit coupleur convertit l'énergie provenant du signal émis en énergie électrique et fournit cette énergie à l'actionneur. Ledit actionneur convertit l'énergie électrique en énergie mécanique afin d'actionner le mécanisme de serrage et de libérer le verrouillage de l'étiquette ou le mécanisme de serrage afin de séparer ladite étiquette de l'article auquel elle est fixée.

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