Method and system for power line impedance detection and automatic impedance matching
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United States of America Patent
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Feb 4, 2003
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N/A
app pub date -
Apr 19, 2000
filing date -
Apr 19, 2000
priority date (Note) -
Expired
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Abstract
A system and method for the automatic detection and matching of power line impedance which makes use of level detection and source impedance circuits in electronic communication with the existing circuitry of a power line communication devices are disclosed. This invention uses modified power line communication device circuitry to sense the impedance of the power line and to correct its impedance to match the impedance of the power line. By automatically sensing and adjusting the source impedance of the power line jack this invention maximizes power transfer to and from the power line, reduces radiated power as well as the power line reflection coefficient.
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