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Apparatus and method for implementing a home network using customer-premises power lines

  • US 6,252,755 B1
  • Filed: 10/21/1999
  • Issued: 06/26/2001
  • Est. Priority Date: 08/11/1999
  • Status: Expired due to Term
First Claim
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1. A filter for passing home network signals to a host computer from a customer-premises power line having a power supply line and a neutral line and configured for supplying power signals, the filter comprising:

  • first and second capacitors each having an input terminal end and an output terminal end, the first and second capacitors configured for filtering the power signals received at the input terminal ends and passing to the output terminal ends the home network signals supplied by the power supply line and the neutral line, respectively;

    an inductor configured for short-circuiting residual power signals at the output terminal ends and having passed the capacitors; and

    a protection circuit configured for limiting energy in the power signals at the input terminal ends to a prescribed threshold limit.

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