Two way cable system with noise-free return path
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
May 9, 2002
app pub date -
Mar 3, 2001
filing date -
Apr 3, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A cable system is configured for eliminating ingress noise by configuring set top boxes to transmit at a high frequency at which the noise is absent, by converting those high frequency signals to low frequency signals via a converter at the feeder line end, and by reconverting the low frequency signals to high frequency signals via a converter connecting the feeder line to the trunk. The end of the trunk is connected directly back to the node so that the signals from the feeder line travel in the 'forward' direction back to the node and thus to the cable headend.
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Family
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Cited Art Landscape
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