Noise filter

Details Noise filter Noise filter

1993-05-19

1994-10-18

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333185, 338311, 3613081, H03H 706

Patent

active

053572262

ABSTRACT:
A noise filter 11 of the CR type in which electrodes 17a and 17b and electrodes 17d and 17e are formed on the outer surface of a collar portion 15 in a bobbin 12 composed of a dielectric body, recess portions 15c and 15d are respectively formed between the electrodes 17a and 17b and between the electrodes 17d and 17e, and resistance films 18a and 18b are respectively formed along the recess portions 15c and 15d. To form a noise filter of the LCR type, a coil 14 is formed on the bobbin 12 and connected to the electrodes 17b and 17d via electrodes 13a and 13b, respectively.

REFERENCES:
patent: 1767715 (1930-06-01), Stoekle
patent: 2828454 (1958-03-01), Khouri
patent: 4777461 (1988-10-01), Sakamoto
patent: 4789847 (1988-12-01), Sakamoto et al.

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