RFID system with location capability

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United States of America Patent

PATENT NO 9665750
SERIAL NO

14956910

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Abstract

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Provided are RFID systems, methods and RFID tags according to various aspects. An infrared (IR) beam, from an IR transmitter, is outputted in a first direction so that an RFID tag with an IR sensor adds a flag to stored data in the RFID tag in response to the RFID tag's IR sensor detecting the IR beam. An RF interrogation signal is outputted by an RFID reader, and a response is received from the RFID tag to the RF interrogation signal. It is determined whether the flag is contained in the RFID tag's response to the RF interrogation signal, and if so, the RFID tag is determined to be in the first direction relative to the IR transmitter.

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Patent Owner(s)

  • INTERMEC IP CORP.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kelly, Stephen J Marion, US 43 1959
Nikitin, Pavel Seattle, US 74 1175

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