Cable television system compatible bandwidth upgrade using embedded digital channels
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jul 24, 2003
app pub date -
Sep 25, 2002
filing date -
Apr 17, 1998
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Various embodiments of the invention provide apparatus, methods, and systems for effectuating an increase in the effective bandwidth of a cable television distribution plant in a manner compatible with most common cable television systems. By using methods and systems for simultaneously transmitting a standard analog television signal and a digital data signal in a manner that minimizes interference of each with the other, one or more data carriers may be embedded within one or more analog television channels in accordance with various aspects of the present invention. These combined signals can be transmitted transparently over the existing cable television distribution plant to a location at or near the subscribers so that, among other things, that the subscriber may 'pause and resume' much in the way Personal Video Recorders work.
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Family
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Cited Art Landscape
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