JPS58107686U - stereo playback device - Google Patents
stereo playback deviceInfo
- Publication number
- JPS58107686U JPS58107686U JP313682U JP313682U JPS58107686U JP S58107686 U JPS58107686 U JP S58107686U JP 313682 U JP313682 U JP 313682U JP 313682 U JP313682 U JP 313682U JP S58107686 U JPS58107686 U JP S58107686U
- Authority
- JP
- Japan
- Prior art keywords
- pair
- stereo
- output
- playback device
- output amplifiers
- 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図は従来のステレオ再生装置を示す回路構成図、第
２図はこの考案に係るステレオ再生装置の一実施例を示
す回路構成図である。
Ａ□１．Ａ１□・・・出力増幅器、Ａ工。・・・位相反
転増幅器、Ｊｌｌ・・・イヤホンジャック、Ｊ１□・・
・ヘッドホンジャック、ＳＰ１□・・・スピーカ、Ｓ□
、・・・スイッチ。FIG. 1 is a circuit diagram showing a conventional stereo reproduction device, and FIG. 2 is a circuit diagram showing an embodiment of the stereo reproduction device according to the invention. A□1. A1□・・・Output amplifier, A-engine. ...Phase inversion amplifier, Jll...Earphone jack, J1□...
・Headphone jack, SP1□...Speaker, S□
,···switch.
Claims (1)
ャックに連動して切換えられるスイッチを設け、該スイ
ッチは上記ヘッドホンジャックにヘッドホン（プラグ）
が挿入されていない状態で前記一対の出力増幅器を互い
に逆位相関係で駆動して両出力端間にスピーカを接続し
てなるＢＴＬ接続によるモノラール動作状態に、且つヘ
ッドホン（プラグ）が挿入された状態で前記一対の出力
増幅器をステレオ駆動してヘッドホン（プラグ）にステ
レオ信号を供給するステレオ動作状態に切換可能に構成
したことを特徴とするステレオ再生装置。A switch is provided that is switched in conjunction with the headphone jacks connected to both output ends of the pair of output amplifiers, and the switch connects the headphone (plug) to the headphone jack.
is not inserted, the pair of output amplifiers are driven in an antiphase relation to each other, and a speaker is connected between both output terminals, resulting in a monaural operation state using a BTL connection, and a state in which headphones (plug) are inserted. A stereo playback device characterized in that the pair of output amplifiers can be switched to a stereo operation state in which the pair of output amplifiers are driven in stereo and a stereo signal is supplied to headphones (plugs).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP313682U JPS58107686U (en) | 1982-01-13 | 1982-01-13 | stereo playback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP313682U JPS58107686U (en) | 1982-01-13 | 1982-01-13 | stereo playback device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58107686U true JPS58107686U (en) | 1983-07-22 |
Family
ID=30016085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP313682U Pending JPS58107686U (en) | 1982-01-13 | 1982-01-13 | stereo playback device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58107686U (en) |
-
1982
- 1982-01-13 JP JP313682U patent/JPS58107686U/en active Pending
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