Electronic article surveillance tag deactivation
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United States of America Patent
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Apr 5, 2016
Grant Date -
Jun 12, 2014
app pub date -
Dec 6, 2012
filing date -
Dec 6, 2012
priority date (Note) -
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Abstract
A method and system for producing an electromagnetic field that exhibits a strong near field that is sufficient to deactivate an electronic article surveillance, EAS, tag and a weak far field that is insufficient to deactivate the EAS tag are disclosed. According to one embodiment, two half-wavelength dipoles spaced apart by about a half-wavelength are excited by oppositely phased signals.
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