FACILITATING RFID TAGS TO REFRAIN FROM PARTICIPATING IN A SUBSEQUENT INVENTORYING ATTEMPT
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United States of America Patent
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N/A
Issued Date -
Oct 23, 2008
app pub date -
Mar 28, 2008
filing date -
Mar 29, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
RFID reader systems, readers, components, software and methods can inventory RFID tags in one or more early attempts. Then they can facilitate the inventoried RFID tags to refrain from participating in one or more subsequent inventorying attempts. In some embodiments, an inventoried indicator in the tag becomes updated upon backscattering. The updated value is used by the tag to recognize a subsequent attempt, and thus refrain from participating in it. This permits the subsequent attempt to be used more intensively for inventorying the more elusive, harder-to-read tags, especially in more demanding scenarios.
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Patent Citation Ranking
- 8 Citation Count
- H04Q Class
- 1.58 % this patent is cited more than
- 17 Age