RFID TAG AND METHOD OF CONTROLLING THE SAME
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United States of America Patent
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Issued Date -
Jul 6, 2017
app pub date -
Jun 3, 2016
filing date -
Jan 4, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed are a high speed wide range RFID tag capable of improving a data transmission speed and a recognition distance between an RFID tag and an RFID reader by controlling a reflected power as multi levels through adjustment of a reflection coefficient in the RFID tag, and a method of controlling the same. The RFID tag includes a data converting unit configured to convert stored RFID serial tag data into a number of multi-level parallel data according to a request of an RFID reader, a reflection coefficient adjusting unit configured to generate a plurality of reflection coefficients corresponding to a number of the converted parallel data, and a transmitting unit configured to transmit a number of the multi-level parallel data according to the generated plurality of tag reflection coefficients through an antenna to the RFID reader.
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