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Signal feedback circuit in power-line-communication systems

  • US 9,774,370 B1
  • Filed: 06/10/2016
  • Issued: 09/26/2017
  • Est. Priority Date: 09/26/2013
  • Status: Active Grant
First Claim
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1. A power-line-communication (PLC) apparatus comprising:

  • a data-coupling circuit and a DC-isolation circuit, the data-coupling circuit and the DC-isolation circuit configured and arranged to communicate data over power lines in a system including a PLC collector circuit and power-line-coupled endpoint circuits, by coupling data to the power lines over the DC-isolation circuit; and

    a feedback circuit and a power-tap circuit, the feedback circuit and the power-tap circuit configured and arranged to communicate with the DC-isolation circuit by providing a feedback signal, via the power-tap circuit, and by using the feedback signal to estimate an amount of at least one power parameter being coupled between the DC-isolation circuit and the power lines.

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