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Automated home control using existing electrical lines as a communications medium

  • US 5,929,748 A
  • Filed: 06/12/1997
  • Issued: 07/27/1999
  • Est. Priority Date: 06/12/1997
  • Status: Expired due to Term
First Claim
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1. A system for electronic communications using electrical power lines in a building, comprising:

  • a plurality of components that are connected for communications among themselves through the electrical power lines;

    a control transmitter associated with at least one of the components for transmitting control data using a low-bandwidth frequency channel on the electrical power lines at a relatively low bandwidth;

    a control receiver associated with at least one of the components for receiving control data using the low-bandwidth frequency channel;

    an analog signal source associated with at least one of the components for transmitting an analog signal using a high-bandwidth frequency channel on the electrical power lines at a relatively high bandwidth;

    an analog signal receiver associated with at least one of the components for receiving the analog signal using the high-bandwidth frequency channel;

    wherein the analog signal is a signal other than an electrical power signal.

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