PULSED ELECTRONIC ARTICLE SURVEILLANCE DETECTION SYSTEM ABSENT OF A PHASING REQUIREMENT

PULSED ELECTRONIC ARTICLE SURVEILLANCE DETECTION SYSTEM ABSENT OF A PHASING REQUIREMENT

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 syst...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SOTO, Manuel, A, BERGMAN, Adam, S
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Beschreibung
Zusammenfassung: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.