A device for deactivating a EAS marker includes a rotating support member and magnets disposed on the support member. The magnets are arranged in linear arrays, and the magnets in each array are mounted on the support member so that the upper surface of each magnet in the array has a magnetic polarity...http://www.google.fr/patents/US5594420?utm_source=gb-gplus-shareBrevet US5594420 - Rotating magnet array for deactivating EAS markers
Rotating magnet array for deactivating EAS markers