ANTENNA APPARATUS FOR LINEARLY POLARIZED DIVERSITY ANTENNA IN RFID READER AND METHOD OF CONTROLLING THE ANTENNA APPARATUS
First Claim
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1. An antenna apparatus for linearly polarized diversity antennas in an RFID (radio frequency identification) reader, the antenna apparatus comprising:
- 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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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.
14 Citations
10 Claims
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1. An antenna apparatus for linearly polarized diversity antennas in an RFID (radio frequency identification) reader, the antenna apparatus comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 10)
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7. A method of controlling an antenna apparatus for linearly polarized diversity antennas in an RFID reader, the method comprising:
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controlling a plurality of linearly polarized diversity antennas in order for the linearly polarized diversity antennas to have different directions to one another; and switching on and/or off a current supplied to the linearly polarized diversity antennas. - View Dependent Claims (8, 9)
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Specification