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SYSTEM AND METHOD FOR A POWER LINE MODEM

  • US 20150349845A1
  • Filed: 08/13/2015
  • Published: 12/03/2015
  • Est. Priority Date: 10/19/2012
  • Status: Active Grant
First Claim
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1. A method to reduce interference produced by a switched-mode power supply in an Internet-enabled device receiving power from a 50 to 60 Hz alternating current (AC) power line, comprising:

  • receiving a communication signal superimposed on the AC power line, the communication signal carrying Internet data;

    detecting a preamble of the communication signal;

    upon detecting the preamble, reducing communication interference by automatically modifying an operating mode of the switched-mode power supply.

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