Filter circuit receiving upstream signals for use in a CATV network
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United States of America Patent
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Jun 30, 1992
Issued Date -
N/A
app pub date -
Oct 25, 1990
filing date -
Apr 21, 1988
priority date (Note) -
Expired
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Abstract
A two-way CATV network which in the preferred embodiment uses gating upstream narrowband filters in the distribution lines and/or trunks to substantially reduce upstream noise gathering. The filters sense the upstream signal energy and open in the event the energy exceeds a predetermined threshold.
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