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Local area network for simultaneous, bi-directional transmission of video bandwidth signals

  • US 6,240,554 B1
  • Filed: 04/10/1996
  • Issued: 05/29/2001
  • Est. Priority Date: 10/20/1993
  • Status: Expired due to Fees
First Claim
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1. A method for the simultaneous transmission of analog video and digital data signals on a twisted pair cable, comprising the steps of:

  • combining a first analog video signal and a first digital data signal to create a first combined signal wherein the first combined signal is in common mode;

    converting the first combined signal from common mode to differential mode;

    transmitting the first combined signal on a first pair of wires in a twisted pair cable;

    receiving a second combined signal that includes a second analog video signal and a second digital data signal on a second pair of wires in the twisted pair cable, wherein the second combined signal is in differential mode;

    converting the second combined signal from differential mode to common mode separating the second combined signal to obtain the second analog video signal and the second digital data signal.

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