Noise filter

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

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Details

333182, 333185, H03H 701

Patent

active

045636591

ABSTRACT:
A noise filter includes a capacitor having first and second electrodes, first and second terminal legs extending from the first electrode, and third and fourth terminal legs extending from the second electrode. The first and second terminal legs adapted for the path of electric signal, and the third and fourth terminal legs adapted for the path of ground level. The noise filter further includes first and second tubes mounted on the first and second terminal legs, respectively, and third and fourth tubes mounted on the third and fourth terminal legs, respectively. Each of the first, second, third and fourth tubes is made of a magnetic material, whereby high frequency noise signals can be filtered when signals pass through the noise filter.

REFERENCES:
patent: 2270169 (1942-01-01), Muller
patent: 2582931 (1952-01-01), Kodama
patent: 2973490 (1961-02-01), Schlicke
patent: 3086149 (1963-04-01), Baron
patent: 3111612 (1963-11-01), Lehmann
patent: 4320364 (1982-03-01), Sakamoto et al.

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