JPS5950122U

JPS5950122U - noise filter

Info

Publication number: JPS5950122U
Application number: JP14476582U
Authority: JP
Inventors: 毅池田
Original assignee: Individual
Current assignee: Individual
Priority date: 1982-09-27
Filing date: 1982-09-27
Publication date: 1984-04-03

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、従来より知られているノイズ・フィルタ回路
の回路図、第２図は、第１図の回路で用いられる従来の
ノイズ・フィルタの平面図、第３図は、この考案のノイ
ズ・フィルタの断面図、第４図は、第３図の装置で用い
るプリント基板の導電シマターンを示す図である。１・・・トロイダル形のコア（閉じた磁心）、３・・・
プリント基板、４・・・導電パターン、１０・・・導線
、１１．１２・・・開放した導線の端部。Fig. 1 is a circuit diagram of a conventionally known noise filter circuit, Fig. 2 is a plan view of a conventional noise filter used in the circuit of Fig. 1, and Fig. 3 is a circuit diagram of a conventional noise filter circuit used in the circuit of Fig. 1. - A cross-sectional view of the filter, FIG. 4, is a diagram showing a conductive stripe pattern of a printed circuit board used in the device of FIG. 3. 1... Toroidal core (closed magnetic core), 3...
Printed circuit board, 4... conductive pattern, 10... conducting wire, 11.12... open end of conducting wire.

Claims

[Scope of utility model registration request]

A closed magnetic core placed on a printed circuit board, a plurality of conductive wires surrounding the closed magnetic core on the printed circuit board and open at both ends, and a connecting force between the ends of the adjacent conductive wires. 1. A noise filter comprising a conductive pattern formed on a surface of a printed circuit board, and a coil is wound around the closed magnetic core by the conductive wire and the conductive pattern.