Inductor devices – With outer casing or housing – Internal inductor support
Patent
1997-07-18
1999-11-02
Kozma, Thomas J.
Inductor devices
With outer casing or housing
Internal inductor support
333 12, 336 83, 336176, 336212, H01F 1706, H01F 2702, H01F 2726
Patent
active
059778547
ABSTRACT:
An electromagnetic noise absorber has a pair of ferrite cores arranged with open ends of the ferrite cores facing each other. Each of the ferrite cores includes an axial portion, an outer cylindrical portion and a bottom portion and is constructed by coupling an end of the axial portion and an end of the outer cylindrical portion to the bottom portion. A slot is formed in the outer cylindrical portion and the bottom portion of each ferrite core such that the slot extends from the open end of the outer cylindrical portion to the bottom portion. The electromagnetic noise absorber can be easily attached to a signal line by placing the signal line in the slots and turning one of the ferrite cores. Since the signal line are wound around the axial portion of the ferrite cores, the signal line has a high impedance.
REFERENCES:
patent: 3262079 (1966-07-01), Glover et al.
patent: 3423709 (1969-01-01), Lugten
patent: 3467930 (1969-09-01), Glover
patent: 3609615 (1971-09-01), Parker
patent: 4167719 (1979-09-01), Forge
Mihara Hideyuki
Murata Satoshi
Sakamoto Yukio
Kozma Thomas J.
Murata Manufacturing Co. Ltd.
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