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Active signal processing personal health signal receivers

  • US 9,444,503 B2
  • Filed: 06/10/2015
  • Issued: 09/13/2016
  • Est. Priority Date: 11/20/2006
  • Status: Active Grant
First Claim
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1. A signal receiver comprising:

  • a demodulator configured to;

    receive an encoded signal associated with an in vivo transmitter, the encoded signal comprising information about a frequency of the encoded signal, in a power spectrum of the encoded signal, where a maximum amplitude of the encoded signal occurs;

    tune to the frequency;

    adapt to frequency variations of the encoded signal; and

    generate a reconstructed encoded signal locked in frequency and phase to the encoded signal; and

    a symbol recovery component configured to;

    receive the reconstructed encoded signal;

    determine a signal clock and phase of the reconstructed encoded signal;

    identify a start sequence in the reconstructed encoded signal; and

    decode the reconstructed encoded signal with substantially no error.

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