Powerline carrier control system
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United States of America Patent
Stats
-
Mar 23, 1982
Grant Date -
N/A
app pub date -
Mar 5, 1979
filing date -
Mar 10, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A powerline carrier control system having a carrier transmitter which delivers an audio-frequency output voltage, subdivided into transmitted pulses, to a power-line carrier control receiver via a coupling unit and the power distribution network. In order to reduce ringing (after-oscillation) of the coupling unit, an auxiliary decay circuit switches the AC voltage being transmitted into a phase shift or into phase opposition to offset the after-oscillation. In this manner, distortion of the transmitted information is largely avoided.
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