Security tags with a reversible optical indicator
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United States of America Patent
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Jun 22, 2004
Grant Date -
Jan 1, 2004
app pub date -
Jun 28, 2002
filing date -
Jun 28, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A reusable security tag is provided which is reversibly operable in a first magnetic condition to trigger a detector when the tag is within communication range of the detector, and a second magnetic condition in which the detector is not triggered when the tag is within communication range of the detector. The tag includes an optical indicator which has a first optical characteristic when the tag is in the first magnetic condition, and a second optical characteristic when the tag is in the second magnetic condition.
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