Radio frequency identification (RFID) tag location verification using short range communication

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United States of America Patent

PATENT NO 11688258
APP PUB NO 20210065529A1
SERIAL NO

17004926

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An EAS system first transmits, over a time, a radio frequency identification (RFID) interrogation signal into an RFID interrogation zone of an EAS system. The system then first receives at least one RFID response signal from a first RFID tag of the system responding to the interrogation signal. The system second transmits, over a second time overlapping at least in part with the first time, a non-RFID RF signal into a second zone. The second zone and the RFID interrogation zone overlap to form a zone of interest. The system second receives, from the first RFID tag, an indication that the first RFID tag received the second transmission. The system determines, based on receiving both the RFID response signal from a first RFID tag and the indication that the first RFID tag received the second transmission, that the first RFID tag is in the zone of interest.

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Patent Owner(s)

  • SENSORMATIC ELECTRONICS, LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bergman, Adam S Boca Raton, US 95 567
Soto, Manuel A Lake Worth, US 32 333

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