Transmitting signals over alternating current power networks

Details Transmitting signals over alternating current power networks Transmitting signals over alternating current power networks

1980-10-01

1983-02-01

Groody, James J.

Communications: electrical

Systems

Selsyn type

307 3, H04B 354

Patent

active

043718671

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.

REFERENCES:
patent: 3445814 (1969-05-01), Spalti
patent: 3488517 (1970-01-01), Cowan et al.
patent: 3509537 (1970-04-01), Haberly
patent: 3721830 (1973-03-01), Oishi et al.
patent: 3818466 (1974-06-01), Honda
patent: 3835389 (1974-09-01), Helfen

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