Transmitting signals over alternating current power networks
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United States of America Patent
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Feb 1, 1983
Issued Date -
N/A
app pub date -
Oct 1, 1980
filing date -
Aug 25, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
To transmit signals over an alternating current power distribution network, the network load parameters are modulated by means of non-linear elements or by varying the characteristics of components by electrical action dependent on a reference signal. A reference current, a capacitor voltage, a correction signal for varying an inductance of the network load, the network voltage, an external current source, the total current flowing through a divided network load or its zero passages and those of the network current form the reference signal. The network load is connected by a transformer to the network and comprises at least one series-resonant circuit.
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