EAS tag with magnetically structured control element

Details EAS tag with magnetically structured control element EAS tag with magnetically structured control element

1989-07-27

1990-06-19

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340572, G08B 1324

Patent

active

049357247

ABSTRACT:
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.degree. 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.

REFERENCES:
patent: 4568921 (1986-02-01), Pokalsky
patent: 4752758 (1988-06-01), Heltemes
patent: 4857891 (1989-08-01), Heltemes

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