Noise-having reverse signal isolator and reverse signal combinin

Details Noise-having reverse signal isolator and reverse signal combinin Noise-having reverse signal isolator and reverse signal combinin

1999-08-27

2000-11-14

Flynn, Nathan

Television

Two-way video and voice communication

User positioning

H04N 710

Patent

active

061477001

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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