Method and apparatus for efficiently querying and identifying multiple items on a communication channel
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United States of America Patent
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Nov 22, 2005
Issued Date -
N/A
app pub date -
Apr 23, 2004
filing date -
Mar 16, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Systems and methods for efficiently querying and identifying multiple items on a communication channel are disclosed. The invention is well suited to use with radio frequency identification with interrogation devices and systems that identify radio frequency identification transponders. A depth-first tree traversal protocol algorithm, including commands and symbols, is used to more efficiently interrogate a plurality of transponders in a short amount of time.
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