PULSED ELECTRONIC ARTICLE SURVEILLANCE DETECTION SYSTEM ABSENT OF A PHASING REQUIREMENT
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United States of America Patent
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Aug 3, 2017
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Aug 4, 2016
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Abstract
Systems and methods for detecting a marker in a pulsed Electronic Article Surveillance (“EAS”) system. The methods comprise transmitting, from an EAS detection system, an excitation signal having a first frequency into an interrogation zone during a transmit phase of the EAS detection system. The excitation signal causes the marker to transmit a response signal having a second frequency different from the first frequency. The response signal is received at the EAS detection system during a receive phase of the EAS detection system.
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