Noise-having reverse signal isolator and reverse signal combining device in service system using CATV network
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United States of America Patent
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Nov 14, 2000
Grant Date -
N/A
app pub date -
Aug 27, 1999
filing date -
Aug 28, 1998
priority date (Note) -
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Abstract
A noise-having reverse signal isolator and a reverse signal combining device in a service system using a CATV network, for preventing noise introduced in a reverse signal from affecting other reverse signals. The reverse signal combining device includes a plurality of noise isolators and a combiner. The noise isolators determine whether noise is introduced into a plurality of reverse signals, isolate a corresponding reverse signal in the presence of noise, and output the reverse signals in the absence of noise. The combiner combines the outputs of the plurality of the noise isolators.
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