Electrical energy storage type filter

Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters

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333 17L, 333181, H03H 701, H03H 706, H02J 301

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043284744

ABSTRACT:
The invention is an electrical energy storage type filter which is useful for attenuating harmonic distortion, modulation at high frequencies, line voltage transient sags and surges. The invention structurally consists of a inductance capacitance tank circuit having resistive components and with a resistive element connected in series with the tank circuit. The circuit is tuned to include in its bandwidth the fundamental frequency of the power source and includes in its design consideration of the reactance of the source.

REFERENCES:
patent: 1255387 (1918-02-01), Chubb
patent: 1486505 (1924-03-01), Wagner
patent: 2743412 (1956-04-01), McLean
patent: 3681612 (1972-08-01), Vogl et al.
Ghirardi--"Radio Physics Course" Radio and Technical Publishing Co., New k, 1933; pp. 232-235 & title page.
Ghirardi--"Radio Physics Course" Radio and Technical Publishing Co., New York, 1937; title page & pp. 222-223.
Ficchi--"Electrical Interference", Hayden Book Co., Inc., New York; 1964; title page and pp. 48-52.

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