Antitheft security tag and electronic article surveillance secur

Details Antitheft security tag and electronic article surveillance secur Antitheft security tag and electronic article surveillance secur

1996-03-01

1997-11-18

Swann, Glen

Communications: electrical

Condition responsive indicating system

Specific condition

340650, 340652, G08B 1314

Patent

active

056892373

ABSTRACT:
An antitheft security tag is used in combination with an article surveillance security system. The antitheft security tag comprises a tagging part to be tagged to an article, formed by looping a two-core cable having two insulated copper wires or the like, a connecting part formed out of a cable, to be connected to the article surveillance security system, a joining part for joining the tagging part to the connecting part, and a resistor contained in the joining part and connected in series to the wires of the two-core cable forming the tagging loop. One end of the connecting part to be connected to the article surveillance security system is provided with a connector to be connected to the article surveillance security system. The article surveillance security system monitors the resistance of the antitheft security tag for article surveillance and detects unauthorized tampering with the antitheft security tag through the detection of a change in the resistance of the antitheft security tag.

REFERENCES:
patent: 3253270 (1966-05-01), Downer
patent: 4573042 (1986-02-01), Boyd et al.
patent: 4746909 (1988-05-01), Israel et al.
patent: 5099228 (1992-03-01), Israel et al.

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