| 摘要 |
<p>A device (50) for deactivating a magnetomechanical EAS marker includes a coil (64, 66, 68, 70) and circuitry (72) for energizing the coil to generate an alternating magnetic field. The coil is wound around a magnetic core (52). The core may be cruciform with four arms, on each of which a respective coil is provided. Alternatively, the core may be generally square and planar, with two coils (102, 104) wound around the core (100) in different respective directions.</p> |
