Deactivatable electronic article surveillance markers using shor

Details Deactivatable electronic article surveillance markers using shor Deactivatable electronic article surveillance markers using shor

1990-12-31

1993-03-02

Ng, Jin F.

Communications: electrical

Condition responsive indicating system

Specific condition

340551, G08B 1314

Patent

active

051913151

ABSTRACT:
A deactivatable electronic article surveillance marker is produced by placing elongated magnetically soft elements on a support and aligning short sections of magnetically semi-hard wires parallel to one another in bands with the bands being perpendicular to the elongated ferromagnetic materials. In another embodiment a criss-cross configuration of magnetically soft elements are provided and the bands of magnetically semi-hard wires are placed diagonally relative to the criss-cross elongated soft magnetic elements.

REFERENCES:
patent: 4568921 (1986-04-01), Pokalsky
patent: 4581524 (1986-04-01), Hoekman
patent: 4857891 (1989-08-01), Heltemes

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