Apparatus for coupling radio-frequency signals to and from a cable of a power distribution network
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United States of America Patent
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Jan 26, 1999
Grant Date -
N/A
app pub date -
Mar 6, 1997
filing date -
Mar 6, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A coupling system for transferring a RF signal to and from a high-voltage cable (302) of a power distribution system is described. In one embodiment the coupling system uses a lightning arrester (314) as an element for coupling a RF signal from a RF modem (420) to and from the high-voltage cable. An impedance element of the coupling system is a section of a grounding cable (309) modified with one or more ferrite cores (430) as a means for adjusting the value of the impedance.
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