Method and apparatus for transmitting a signal by a radio frequency identification reader
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United States of America Patent
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Nov 22, 2016
Grant Date -
Jul 2, 2015
app pub date -
Dec 31, 2013
filing date -
Dec 31, 2013
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Abstract
A Radio Frequency Identification (RFID) reader is provided that receives a digital input signal, converts the digital input signal to an analog input signal, and determines whether the digital input signal is an unmodulated signal or is modulated with information. When the digital input signal is modulated with information, the RFID reader filters the analog input signal to produce a filtered analog input signal and transmits the filtered signal. When the digital input signal is an unmodulated signal, the RFID reader bypasses the filtering of the analog input signal to produce an unfiltered analog input signal and transmits the unfiltered analog input signal.
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