RF inventory system
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United States of America Patent
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Aug 9, 2005
Issued Date -
N/A
app pub date -
Sep 5, 2002
filing date -
Sep 5, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method for calculating a quantity of items wherein each item has a tag attached to it. A low intensity RF signal is radiated, causing each tag to generate a reflected signal. The frequency response of the reflected signals is then measured, and the quantity of tagged items is calculated based on the frequency response of the reflected signals.
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