Multiple RFID anti-collision interrogation method
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United States of America Patent
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Issued Date -
Jun 23, 2005
app pub date -
Dec 19, 2003
filing date -
Dec 19, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and system to selectively identify one RFID tag response from a plurality of RFID tag responses. An interrogation signal is transmitted. If more than one RFID tag response is detected a signal is transmitted that can disable all responding tags, or all responding tags except the tag or tags of interest. The tag of interest, if not already enabled, is enabled and interrogated.
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