Electronic security tag useful in electronic article indentifica

Details Electronic security tag useful in electronic article indentifica Electronic security tag useful in electronic article indentifica

1997-06-27

1998-11-24

Mullen, Jr., Thomas J.

Communications: electrical

Condition responsive indicating system

Specific condition

524910, G08B 1314

Patent

active

058413502

ABSTRACT:
A resonant tag circuit useful as an electronic security device includes a layered planar structure having a dielectric substrate, a resonant circuit carried on both sides of the dielectric substrate and a semiconductive material having an ionizable salt dissolved therein. The semiconductor material provides a sermiconductive bridge across an activation or deactivation point in the circuit and connects the conductive circuit on both sides of the activation or deactivation point. The resonant tag circuit of this invention is stabilized against premature operation of the activation or deactivation point from electrostatic discharge.

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