Time division multiplexed batch mode item identification system
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United States of America Patent
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Jul 23, 1996
Issued Date -
N/A
app pub date -
Jun 20, 1995
filing date -
Mar 16, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus and method are disclosed for communicating between a central location and a plurality of identification tags or labels located in a container or in a space without separately passing each tag or labeled product through a read station. The disclosure includes use of hashing to reduce the amount of time needed to read the possible tags in the space. Reading is accomplished using radio communication with a combination of broadcast and time division multiplex architectures.
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