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Communication Over Power Lines

  • US 20110261874A1
  • Filed: 04/23/2010
  • Published: 10/27/2011
  • Est. Priority Date: 04/23/2010
  • Status: Active Grant
First Claim
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1. A method comprising:

  • generating a first PWM waveform signal, wherein a duty cycle of the first PWM waveform signal is proportional to an amplitude of a first analog signal;

    generating a first sinusoidal waveform signal having a first frequency;

    modulating the first sinusoidal waveform signal in relation to the first PWM waveform signal;

    transmitting the modulated first sinusoidal waveform signal to a circuit via a power conductor that couples a power source to the circuit;

    the circuit generating a demodulated signal by demodulating the modulated first sinusoidal waveform signal.

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