In-building CATV system, down-converter, up-converter and amplifier
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United States of America Patent
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-
Dec 6, 2005
Grant Date -
N/A
app pub date -
Oct 25, 2000
filing date -
Nov 8, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an in-building CATV system in which an upward signal is frequency-converted to an in-building upward signal using an up-converter at a terminal side and the frequency-converted in-building upward signal is outputted to an external system after frequency-converting the in-building upward signal to an upward signal for outputting using a down-converter, a high frequency signal for frequency conversion leaking out from the up-converter is occasionally transmitted to the down-converter. Then, a trap circuit for removing the high frequency signal is provided on an in-building upward signal path in each converter. And an equalizer is provided on an upward signal path in each converter to compensate a transmission loss in the frequency band of the in-building upward signal occurring when the in-building upward signal is passed through the trap circuit.
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Cited Art Landscape
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