Antenna apparatus for linearly polarized diversity antenna in RFID reader and method of controlling the antenna apparatus
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United States of America Patent
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Sep 28, 2010
Grant Date -
Jun 5, 2008
app pub date -
Jul 24, 2007
filing date -
Dec 5, 2006
priority date (Note) -
Expired
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Abstract
Provided are an antenna apparatus for linearly polarized diversity antennas in a radio frequency identification (RFID) reader, and a method of controlling the antenna apparatus. The antenna apparatus includes: a plurality of linearly polarized diversity antennas disposed to have different directions to one another; a switching unit connecting the linearly polarized diversity antennas to the RFID reader; and a controller controlling the switching unit to selectively activate the linearly polarized diversity antennas.
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