Supplementary antenna for radio frequency identification and product containing unit incorporating same
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United States of America Patent
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Jul 14, 2009
Grant Date -
Feb 9, 2006
app pub date -
Jul 11, 2005
filing date -
Jul 9, 2004
priority date (Note) -
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Abstract
A product dispensing unit comprises a housing, at least one main balun antenna within the housing and at least one product holder within the housing. The at least one product holder holds RFID tagged product to be dispensed from the housing. At least one supplementary antenna is positioned adjacent the product holder to cause RFID tags on the product to oscillate when excited by the main balun antenna.
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