JPS58591U - Automatic monauralization device - Google Patents
Automatic monauralization deviceInfo
- Publication number
- JPS58591U JPS58591U JP9397881U JP9397881U JPS58591U JP S58591 U JPS58591 U JP S58591U JP 9397881 U JP9397881 U JP 9397881U JP 9397881 U JP9397881 U JP 9397881U JP S58591 U JPS58591 U JP S58591U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- jack
- plug
- monauralization
- automatic
- 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)
- Details Of Connecting Devices For Male And Female Coupling (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ａ、 ｂはそれぞれステレオ再生用ヘッドホン
の接続用ジャックにヘッドホンのプラグとイヤホンのプ
ラグが挿入された状態を示す図、−第２図はこの考案に
係る自動モノラル化装置の一実施例を示すブロック回路
図、第３図は第２図の具体的回路構成の一例を示す回路
図である。
１２・・・・・・ヘッドホン、１２１・・・・・・プラ
グ、１３・・・・・・イヤホン、１３１・・・・・・プ
ラグ、２１・・・・・・混合回路、２２．２３・・・・
・・音声出力回路、２４・・曲ジャック、２５・・・・
・・バイアス検出回路、２４１−−−−−−左側信号出
力端子、２４２・・・・・・右側信号出力端子、２４３
・・・・・−ＧＮＤ端子。Figures 1a and 1b are diagrams showing a state in which a headphone plug and an earphone plug are inserted into the stereo playback headphone connection jack, respectively, - Figure 2 is an embodiment of the automatic monauralization device according to this invention FIG. 3 is a circuit diagram showing an example of the specific circuit configuration of FIG. 2. 12...Headphones, 121...Plug, 13...Earphones, 131...Plug, 21...Mixing circuit, 22.23. ...
...Audio output circuit, 24...Song jack, 25...
...Bias detection circuit, 241------Left signal output terminal, 242...Right signal output terminal, 243
...-GND terminal.
Claims (2)
端子とステレオ信号の右側信号が導びかれる第２の出力
端子を有し、ステレオ信号取り出し用プラグとモノラル
信号取り出し用プラグを選択的に接続可能なジャックと
、このジャックに前記ステレオ信号取り出し用プラグと
モノラル信号取り出し用プラグのどちらのプラグが接続
されているかを検出する検出手段と、この検出手段によ
ってステレオ信号取り出し用プラグが接続されているこ
とが検出されたときは前記ジャックに左側信号と右側信
号とを分離した状態で供給しモノラル信号取り出し用プ
ラグが接続されてい−ることか検出されたときは前記第
１、第２の出力端子の少なくとも基準電位端子に短絡さ
れていない端子に前記左側信号と右側信号の混合信号を
供給する混合手段とを具備した自動モノラル化装置。(1) It has a first output terminal to which the left side signal of the stereo signal is led and a second output terminal to which the right side signal of the stereo signal is led, and the plug for taking out the stereo signal and the plug for taking out the monaural signal can be selectively connected. a jack connectable to the jack; a detection means for detecting which of the stereo signal extraction plug or the monaural signal extraction plug is connected to the jack; and a detection means for detecting whether the stereo signal extraction plug is connected to the stereo signal extraction plug. If it is detected that the left side signal and the right side signal are connected to the jack, the left side signal and the right side signal are supplied separately to the jack, and when it is detected that the monaural signal output plug is connected, the first and second signals are connected to the jack. An automatic monauralization device comprising mixing means for supplying a mixed signal of the left signal and the right signal to at least the terminals of the output terminals that are not short-circuited to the reference potential terminal.
前記第１の出力端子と前記第２の出力端子とに接続され
る音声出力回路のバイアス変化を検出することにより前
記ジャックに前記ス手レオ ・信号取恨出し用プラグ
と前記モノラル信号取り出し用プラグのどちらが接続さ
れたかを検出するように構成されたかを特徴とする実用
新案登録請求の範囲第１項記載の自動モノラル化装置。(2) The detection means detects a bias change in an audio output circuit connected to the first output terminal and the second output terminal of the jack □ due to a load short circuit, thereby causing the jack - The automatic monauralization device according to claim 1, wherein the automatic monauralization device is configured to detect which of the signal extraction plug and the monaural signal extraction plug is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9397881U JPS58591U (en) | 1981-06-25 | 1981-06-25 | Automatic monauralization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9397881U JPS58591U (en) | 1981-06-25 | 1981-06-25 | Automatic monauralization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58591U true JPS58591U (en) | 1983-01-05 |
Family
ID=29888929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9397881U Pending JPS58591U (en) | 1981-06-25 | 1981-06-25 | Automatic monauralization device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58591U (en) |
-
1981
- 1981-06-25 JP JP9397881U patent/JPS58591U/en active Pending
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