A device is disclosed for activating and deactivating magnetic electronic article surveillance (EAS) markers. In one embodiment, the device includes control circuitry comprising a coil, such as a solenoid-type coil, that provides a magnetic field in one direction and another coil that provides a magnetic...http://www.google.com.au/patents/US6778087?utm_source=gb-gplus-sharePatent US6778087 - Dual axis magnetic field EAS device
