Electromagnetic identification system

Details Electromagnetic identification system Electromagnetic identification system

G - Physics

06

K

340/124.3

G06K 19/06 (2006.01) G06K 19/02 (2006.01) G08B 13/24 (2006.01)

Patent

CA 1301881

ABSTRACT OF THE DISCLOSURE A tag 2 for use in an electronic article surveillance system comprises a magnetically structured component 4 in close proximity to a striplike element 6 of magnetically soft material. The component 4 includes magnetic particles 8 orientated into particular directions in regions 10, 12, preferably at ? 45° relative to the longitudinal axis of the tag. The tag 2 can be deactivated by longitudinal wiping with a deactivator providing a magnetic field corresponding to the angle of orientation of the particles 8. Deactivation is, therefore, straightforward for a check out operator but not for a potential thief. The orientated particles 8 can be used to define an interpretable code enabling product inventory with deactivation.

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