JPH044426U - - Google Patents

Info

Publication number
JPH044426U
JPH044426U JP1990045024U JP4502490U JPH044426U JP H044426 U JPH044426 U JP H044426U JP 1990045024 U JP1990045024 U JP 1990045024U JP 4502490 U JP4502490 U JP 4502490U JP H044426 U JPH044426 U JP H044426U
Authority
JP
Japan
Prior art keywords
inductance elements
built
capacitors
filter
plug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1990045024U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990045024U priority Critical patent/JPH044426U/ja
Publication of JPH044426U publication Critical patent/JPH044426U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Filters And Equalizers (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案におけるノイズフイルタ内蔵フ
オノジヤツク２０の斜視図、第２図はノイズフイ
ルタ内蔵フオノジヤツク２０に内蔵した等価フイ
ルタ回路図、第３図は従来のノイズ防止策の一例
を説明するブロツク図、第４図、第５図はフイル
タ回路６の一例としの３端子型フイルタの回路例
、第６図、第７図は第４図、第５図の減衰度特性
図である。 ２０……ノイズフイルタ内蔵フオノジヤツク、
２１……フオノジヤツク側のアース側金属部、２
２……アース端子、２３……信号伝達用リード導
体、２４……コモンモード用インダクタンス素子
、２５……ノーマルモード用コンデンサ、２６…
…ノーマルモード用インダクタンス素子、２７…
…筐体。 FIG. 1 is a perspective view of a phono jack 20 with a built-in noise filter according to the present invention, FIG. 2 is a circuit diagram of an equivalent filter built into the phono jack 20 with a built-in noise filter, and FIG. 3 is a block diagram illustrating an example of a conventional noise prevention measure. 4 and 5 are circuit examples of a three-terminal filter as an example of the filter circuit 6, and FIGS. 6 and 7 are attenuation characteristic diagrams of FIGS. 4 and 5. 20...Phono jack with built-in noise filter,
21... Earth side metal part on the phono jack side, 2
2...Earth terminal, 23...Lead conductor for signal transmission, 24...Inductance element for common mode, 25...Capacitor for normal mode, 26...
...Normal mode inductance element, 27...
...Housing.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入力接栓の入力部と出力部の間に二つ以上のイ
ンダクタンス素子と一つ以上のコンデンサを内設
すると共に、二つ以上の前記インダクタンス素子
の少なくとも一つの前記インダクタンス素子に信
号を伝達する二つの線路の両方を磁気結合させた
ことを特徴とするＥＭＩフイルター内蔵接栓。 Two or more inductance elements and one or more capacitors are installed between the input part and the output part of the input connector, and two or more inductance elements and one or more capacitors are installed, and a signal is transmitted to at least one of the two or more inductance elements. A plug with a built-in EMI filter that is characterized by magnetically coupling both lines.
JP1990045024U 1990-04-26 1990-04-26 Pending JPH044426U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990045024U JPH044426U (en) 1990-04-26 1990-04-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990045024U JPH044426U (en) 1990-04-26 1990-04-26

Publications (1)

Publication Number Publication Date
JPH044426U true JPH044426U (en) 1992-01-16

Family

ID=31558844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990045024U Pending JPH044426U (en) 1990-04-26 1990-04-26

Country Status (1)

Country Link
JP (1) JPH044426U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000151327A (en) * 1998-11-12 2000-05-30 Murata Mfg Co Ltd Laminate type noise filter
JP2005175880A (en) * 2003-12-11 2005-06-30 Murata Mfg Co Ltd Noise filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000151327A (en) * 1998-11-12 2000-05-30 Murata Mfg Co Ltd Laminate type noise filter
JP2005175880A (en) * 2003-12-11 2005-06-30 Murata Mfg Co Ltd Noise filter

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