JPS5885874U - audio equipment - Google Patents

audio equipment

Info

Publication number
JPS5885874U
JPS5885874U JP18148081U JP18148081U JPS5885874U JP S5885874 U JPS5885874 U JP S5885874U JP 18148081 U JP18148081 U JP 18148081U JP 18148081 U JP18148081 U JP 18148081U JP S5885874 U JPS5885874 U JP S5885874U
Authority
JP
Japan
Prior art keywords
audio equipment
monaural
detection circuit
stereo headphone
headphone jack
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
JP18148081U
Other languages
Japanese (ja)
Inventor
浅尾　進
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP18148081U priority Critical patent/JPS5885874U/en
Publication of JPS5885874U publication Critical patent/JPS5885874U/en
Pending legal-status Critical Current

Links

Landscapes

  • Stereophonic Arrangements (AREA)
  • Amplifiers (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 drawings]

第１図はステレオヘッドホンジャック部の回路図、第２
図Ａはステレオヘッドホンプラグを示す図、同図Ｂはモ
ノラルプラグを示す図、第３図はステレオヘッドホンジ
ャックにステレオヘッドホンプラグを挿入した状態の回
路図、第４図はステレオヘッドホンジャックにモノラル
プラグを挿入した状態の従来の回路図、第５図は本考案
の一実施例を示す回路図である。 Ｊ・・・・・・ステレオヘッドホンジャック、Ｐ工・・
・・・・ステレオヘッドホンプラグ、Ｐ２・・・・・・
モノラル用プラグ、Ｔ・・・・・・検出回路、４．　４
’　、　　６．　６’・・・・・・アンプ。Figure 1 is the circuit diagram of the stereo headphone jack section, Figure 2 is the circuit diagram of the stereo headphone jack section.
Figure A shows a stereo headphone plug, Figure B shows a monaural plug, Figure 3 is a circuit diagram with a stereo headphone plug inserted into a stereo headphone jack, and Figure 4 shows a monaural plug inserted into a stereo headphone jack. FIG. 5 is a circuit diagram showing an embodiment of the present invention. J...Stereo headphone jack, P...
...Stereo headphone plug, P2...
Monaural plug, T...detection circuit, 4. 4
', 6. 6'...Amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 音響機器に設けられたステレオへラドホンジャーツクに
モノラルヘッドホンあるいはイヤホンのプラグを挿入し
た時、前記ステレオヘッドホンジャックのＲ側端子に負
荷されるインピーダンスの変化を検出する検出回路を設
け、前記検出回路の動作によりアレプ回路をモノラル状
態に切換えるように構成した音響機器。A detection circuit is provided for detecting a change in impedance applied to the R side terminal of the stereo headphone jack when a monaural headphone or earphone plug is inserted into a stereo headphone jack provided in the audio equipment, and the detection circuit An audio device configured to switch an arep circuit to a monaural state by the operation of
JP18148081U 1981-12-04 1981-12-04 audio equipment Pending JPS5885874U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18148081U JPS5885874U (en) 1981-12-04 1981-12-04 audio equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18148081U JPS5885874U (en) 1981-12-04 1981-12-04 audio equipment

Publications (1)

Publication Number Publication Date
JPS5885874U true JPS5885874U (en) 1983-06-10

Family

ID=29978996

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18148081U Pending JPS5885874U (en) 1981-12-04 1981-12-04 audio equipment

Country Status (1)

Country Link
JP (1) JPS5885874U (en)

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