Three-terminal noise filter having M-shaped lead

Details Three-terminal noise filter having M-shaped lead Three-terminal noise filter having M-shaped lead

1993-10-19

1996-02-20

Lee, Benny

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

29 2542, 29600, 296021, H03H 709

Patent

active

054932602

ABSTRACT:
The invention discloses a 3-terminal noise filter for preventing electro-magnetic interferences, and a process for manufacturing thereof. A lead wire is bent into an M shaped structure, with a depressed portion being formed on the upper portion of the M shape structure. A separate lead is disposed as a capacitor lead, and the bottom of the depressed portion and the leading end of the capacitor lead are pressed into first and second flat portions. Then a capacitor is soldered on the first and second flat portions. The man-hours for the manufacturing of the filter are reduced, and the mechanical and electrical characteristics are stabilized, and the manufacturing cost is saved by the use of low cost materials.

REFERENCES:
patent: 4752752 (1988-06-01), Okubo
patent: 4777460 (1988-10-01), Okubo
patent: 4782311 (1988-11-01), Ookubo
patent: 4823103 (1989-04-01), Nakagawa et al.
patent: 4847730 (1989-07-01), Konno et al.
patent: 4908586 (1990-03-01), Kling et al.
patent: 5015975 (1991-05-01), Okubo

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