Marker for an article which is detected when it passes through a

Details Marker for an article which is detected when it passes through a Marker for an article which is detected when it passes through a

1996-08-08

1998-06-16

Hofsass, Jeffery

Communications: electrical

Condition responsive indicating system

Specific condition

340572, G08B 1314

Patent

active

057677727

ABSTRACT:
A security device to monitor object displacement and unauthorized removal from an enclosure. A two-layer adhesive is supplied on the marker, the first stronger adhesive for affixing the marker on the object, a second, weaker adhesive with lower tear resistance than the first which modifies an electrical, chemical, or electrochemical feature for detection.

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patent: 5142270 (1992-08-01), Appalucci et al.
patent: 5151684 (1992-09-01), Johnsen
patent: 5456718 (1995-10-01), Szymaitis

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