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END OF COMMUNICATION DETECTION

  • US 20150180608A1
  • Filed: 12/20/2013
  • Published: 06/25/2015
  • Est. Priority Date: 12/20/2013
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • an interface circuit for receiving an encoded signal;

    a carrier signal recovery circuit coupled to an output of the interface circuit and configured and arranged todetermine and output a carrier signal of the encoded signal, andgenerate and output a second signal that is out of phase with the carrier signal;

    a decoding circuit, coupled to the output of the interface circuit and to the carrier signal recovery circuit, configured and arranged to decode the encoded signal as a function of the encoded signal and the carrier signal output by the carrier signal recovery circuit; and

    a detection circuit, coupled to the output of the interface circuit and to the carrier signal recovery circuit, configured and arranged to detect an indication of an end of a communication in the encoded signal as a function of the encoded signal and the second signal.

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