Apparatus for screening appliances from high frequency interfere

Details Apparatus for screening appliances from high frequency interfere Apparatus for screening appliances from high frequency interfere

1983-02-23

1986-09-30

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333 12, 333177, 333181, 333185, H03H 701, H03H 709

Patent

active

046149244

ABSTRACT:
An apparatus for screening appliances from high frequency interference from the mains supply electrically connected to the appliance has an interference filter being incorporated in the mains plug and comprising at least an induction coil and a capacitor. The capacitors normally used to screen from asymmetric oscillations between the neutral conductor and phase conductor on the one hand and the protective conductor on the other are replaced by a screen of sheeting for the conductor leading from the plug to the appliance. The screen of sheeting is joined to the protective conductor.

REFERENCES:
patent: 1949996 (1934-03-01), Fleming
patent: 2186578 (1940-01-01), Doughman
patent: 2939095 (1960-05-01), Chertok
patent: 3374447 (1968-03-01), Stilwell
Curran--"Power Line Filter", IBM Technical Disclosure Bulletin, vol. 7, No. 7, Dec. 1964; p. 569.

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