Apparatus for type-A demodulation and integrated circuit card including the same
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United States of America Patent
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Feb 21, 2012
Grant Date -
Sep 16, 2010
app pub date -
Mar 12, 2010
filing date -
Mar 13, 2009
priority date (Note) -
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Abstract
A type-A demodulator comprising a first rectifier configured to rectify a radio frequency (RF) signal received through an antenna and output a first voltage, a second rectifier configured to rectify the voltage of the RF signal received through the antenna and output a second voltage having a different voltage level than the first voltage, and a pause data detector configured to compare the first voltage with the second voltage and detect received pause data.
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