System and method for transmitting video from multiple video cameras over a single multiple pair, twisted pair cable
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United States of America Patent
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Issued Date -
Mar 25, 2010
app pub date -
Sep 18, 2009
filing date -
Sep 19, 2008
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Abandoned
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Abstract
A system for transmitting video signals from multiple video cameras over one or more multiple pair, twisted pair cables includes several video cameras and a plurality of twisted pair-to-coax balun “T” devices connected to the video cameras by coaxial cables. The video cameras generate unbalanced video signals. The twisted pair-to-coax balun “T” devices are connected together in a “daisy chain” fashion by electrical cables having multiple twisted pairs of wires. The balun “T” devices convert the unbalanced video signals from the cameras to balanced video signals. The balanced video signals are transmitted over the multiple pair, twisted pair cables to a hub, which provides the video signals to one or more monitors, a DVR, a multiplexer or other device.
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