Tag and method of making same

Details Tag and method of making same Tag and method of making same

1989-02-10

1990-03-20

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

156324, 156 51, 156 52, 361402, 427 96, 427121, 427123, G08B 1324

Patent

active

049104993

ABSTRACT:
This invention relates to a deactivatable tag useable with an electronic article surveillance system and comprised of planar conductive material cut into a pair of inverse, first and second spiral conductors wrapped about each other and positioned for capacitive and inductive coupling. The invention also relates to method of making tags wherein conductors are cut from a planar web of conductive material in a continuous process in a manner that the cutting results in the formation of two spiral conductors without accompanying waste of conductive material, and thereafter positioning the conductors to provide resonant circuits. The conductors of each pair are connected by welding to provide a reliable circuit. A film of electrostatic-charge-draining material on a web of deactivatable tags prevents their premature deactivation.

REFERENCES:
patent: 4369557 (1983-01-01), Vandebolt

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