RFID shelf antennas
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United States of America Patent
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Apr 28, 2009
Grant Date -
Nov 20, 2008
app pub date -
May 17, 2007
filing date -
May 17, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
This invention provides a shelf antenna system for radio frequency identification (RFID) applications, the shelf antenna system comprises a plurality of substantially horizontal shelves, and a distributed antenna having a single feed terminal and a plurality of radiating elements, the distributed antenna being mounted next to the plurality of substantially horizontal shelves, wherein the entire shelf space of the plurality of substantially horizontal shelves are covered by radiations from the distributed antenna.
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