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Method and apparatus for monitoring and controlling a local area network

  • US 6,307,862 B1
  • Filed: 03/23/1998
  • Issued: 10/23/2001
  • Est. Priority Date: 03/23/1998
  • Status: Expired due to Term
First Claim
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1. A method for establishing a local area network (LAN) using at least one cable television (CATV) channel, comprising:

  • generating LAN signals in at least one LAN channel that conforms to a selected CATV channel;

    transmitting the LAN signals from a LAN controller through the selected CATV channel over a CATV cable, wherein non-LAN signals are transmitted to a television on non-selected CATV channels through the CATV cable;

    receiving the LAN signals at at least one of a plurality of devices, wherein the LAN signals control or monitor the at least one of a plurality of devices;

    receiving a CATV signal at a channel stripper;

    removing signals of the selected CATV channel from the CATV signal;

    multiplexing LAN signals with the non-LAN signals of the non-selected CATV channels to form a new CATV signal; and

    transmitting the new CATV signal in the CATV cable to one of the plurality of devices.

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