JPS58121441U - Jack switching circuit - Google Patents

Jack switching circuit

Info

Publication number
JPS58121441U
JPS58121441U JP1785682U JP1785682U JPS58121441U JP S58121441 U JPS58121441 U JP S58121441U JP 1785682 U JP1785682 U JP 1785682U JP 1785682 U JP1785682 U JP 1785682U JP S58121441 U JPS58121441 U JP S58121441U
Authority
JP
Japan
Prior art keywords
jack
switching circuit
transistors
amplifier circuit
muting
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.)
Granted
Application number
JP1785682U
Other languages
Japanese (ja)
Other versions
JPS6324676Y2 (en
Inventor
鎌田　千尋
Original Assignee
三洋電機株式会社
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 by 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP1785682U priority Critical patent/JPS58121441U/en
Publication of JPS58121441U publication Critical patent/JPS58121441U/en
Application granted granted Critical
Publication of JPS6324676Y2 publication Critical patent/JPS6324676Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Noise Elimination (AREA)

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

：　　　図は本考案のジャック切換回路図である。 １・・・音声信号回路、２．３・・・増幅回路、４・・
・供給回路、５・・・ジャックスイッチ、６・・・プラ
グ、７［〜１１・・・接片、１３〜１６・・・第１〜第
４スイツチングトランジスタ、１８．１９・・・ミュー
テングトランジスタ。: The figure is a jack switching circuit diagram of the present invention. 1...Audio signal circuit, 2.3...Amplification circuit, 4...
- Supply circuit, 5... Jack switch, 6... Plug, 7[~11... Contact piece, 13-16... First to fourth switching transistor, 18.19... Muting transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 左右の信号を増幅子る増幅回路と、゛該増幅回路の出力
側に接続され、プラグの着脱によってオンオフされる多
数の接片を有するジャックと、前記接片にてオンオフさ
れ夫々直列接続された第１、第２トランジスタと、前記
第１、第２トランジスタがともにオン又はオフされたと
きオンし前記増幅回路の入力側をミュートするミューテ
ングトランジスタとよりなり、ジャックへのプラグ装着
作・　　業中前記第１、第２トランジ久夕にてミューテ
ングトランジスタをオンしミューテングすることを２　
　特徴としたジャック切換回路。an amplifier circuit that amplifies left and right signals; a jack that is connected to the output side of the amplifier circuit and has a number of contact pieces that are turned on and off by attaching and removing a plug; It consists of first and second transistors, and a muting transistor that turns on when both the first and second transistors are turned on or off, muting the input side of the amplifier circuit, and the plug is attached to the jack during the work. Turn on and mute the muting transistor in the first and second transistors.
Features a jack switching circuit.
JP1785682U 1982-02-10 1982-02-10 Jack switching circuit Granted JPS58121441U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1785682U JPS58121441U (en) 1982-02-10 1982-02-10 Jack switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1785682U JPS58121441U (en) 1982-02-10 1982-02-10 Jack switching circuit

Publications (2)

Publication Number Publication Date
JPS58121441U true JPS58121441U (en) 1983-08-18
JPS6324676Y2 JPS6324676Y2 (en) 1988-07-06

Family

ID=30030135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1785682U Granted JPS58121441U (en) 1982-02-10 1982-02-10 Jack switching circuit

Country Status (1)

Country Link
JP (1) JPS58121441U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017538355A (en) * 2014-12-04 2017-12-21 チンタオ ゴーアテック テクノロジー カンパニー リミテッドＱｉｎｇｄａｏ Ｇｏｅｒｔｅｋ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ． Audio processing circuit and wire control earphone for removing earphone insertion / extraction noise

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017538355A (en) * 2014-12-04 2017-12-21 チンタオ ゴーアテック テクノロジー カンパニー リミテッドＱｉｎｇｄａｏ Ｇｏｅｒｔｅｋ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．， Ｌｔｄ． Audio processing circuit and wire control earphone for removing earphone insertion / extraction noise

Also Published As

Publication number Publication date
JPS6324676Y2 (en) 1988-07-06

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