JPS58109389U - headphone output device - Google Patents
headphone output deviceInfo
- Publication number
- JPS58109389U JPS58109389U JP694682U JP694682U JPS58109389U JP S58109389 U JPS58109389 U JP S58109389U JP 694682 U JP694682 U JP 694682U JP 694682 U JP694682 U JP 694682U JP S58109389 U JPS58109389 U JP S58109389U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- output device
- amplifier
- circuited
- short
- 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
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
第１図は従来のヘッドホン出力装置を示す回路図、第２
図７はステレオプラグ、同図イはモノラルプラグを示す
正面図、第３図は本考案の一実施例を示す回路図である
。
３．４・・・・・・増幅器、９・・・・・・ステレオヘ
ッドホンジャック、９ａ・・・・・・第１端子、９ｂ・
・・・・・第２端子、９Ｃ・・・・・・アース端子、１
２・・・・・・増幅器、１３・・・・・・、ダイオード
、１４・・・・・・コンデンサ、１５・・・・・・イン
バータ、１６・・・・・・トランジスタ。Figure 1 is a circuit diagram showing a conventional headphone output device, Figure 2 is a circuit diagram showing a conventional headphone output device.
7 is a front view showing a stereo plug, FIG. 7A is a front view showing a monaural plug, and FIG. 3 is a circuit diagram showing an embodiment of the present invention. 3.4...Amplifier, 9...Stereo headphone jack, 9a...1st terminal, 9b...
...Second terminal, 9C...Earth terminal, 1
2...Amplifier, 13...Diode, 14...Capacitor, 15...Inverter, 16...Transistor.
Claims (2)
第２チヤンネル信号を増幅する第２の増幅器と、アース
端子と前記第１、第２の増幅器の出力がそれぞれ印加さ
れた第１、第２の端子を有スるヘッドホンジャックとを
備え、−前記ヘッドホンジャックにモノラルプラグを挿
入したときに第１または第２の端子とアース端子とが短
絡されるとともに、この短絡された端子に接続された増
幅器の出力を発生させないように構成したミューティン
グ手段を設けたことを特徴とするヘッドホン出力装置。(1) a first amplifier that amplifies the first channel signal;
a second amplifier for amplifying a second channel signal; a headphone jack having a ground terminal and first and second terminals to which the outputs of the first and second amplifiers are respectively applied; The muting means is configured so that when a monaural plug is inserted into the headphone jack, the first or second terminal and the ground terminal are short-circuited, and an output of an amplifier connected to the short-circuited terminal is not generated. A headphone output device characterized in that:
たときにアース端子と短絡される端子を入力とし、この
端子に接続された増幅器の入力ミューティングすること
を特徴とする実用新案登録請求の範囲第１項記載のヘッ
ドホン出力装置。(2) The muting means inputs a terminal that is short-circuited to the ground terminal when a monaural plug is inserted, and mutes the input of an amplifier connected to this terminal. Headphone output device according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP694682U JPS58109389U (en) | 1982-01-20 | 1982-01-20 | headphone output device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP694682U JPS58109389U (en) | 1982-01-20 | 1982-01-20 | headphone output device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58109389U true JPS58109389U (en) | 1983-07-26 |
Family
ID=30019723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP694682U Pending JPS58109389U (en) | 1982-01-20 | 1982-01-20 | headphone output device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58109389U (en) |
-
1982
- 1982-01-20 JP JP694682U patent/JPS58109389U/en active Pending
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