Noise filter for electric apparatus

Details Noise filter for electric apparatus Noise filter for electric apparatus

1985-09-20

1988-07-26

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

363 47, 333175, 219 1075, H05B 606

Patent

active

047602317

ABSTRACT:
A noise filter connected to power lines includes two coils connected to the power lines in series, respectively, two capacitances connected to one end of the coils, respectively, and at least one resistance for reducing the gain of a resonance frequency of the filter the resistance being connected to the capacitances and grounded.

REFERENCES:
patent: 2035457 (1936-03-01), Blumlein
patent: 3237080 (1966-02-01), Pudewill
patent: 3374425 (1968-03-01), Barditch et al.
patent: 4228492 (1980-10-01), Hausler et al.
patent: 4308575 (1981-12-01), Mase
patent: 4578553 (1986-03-01), Yamashita et al.
Siemens 1977/78 Data Book, Rf Suppression Components, pp. 262-263, 275.
Electronics, Oct. 1966, pp. 58-67.

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