JPS61176819U - - Google Patents
Info
- Publication number
- JPS61176819U JPS61176819U JP5969685U JP5969685U JPS61176819U JP S61176819 U JPS61176819 U JP S61176819U JP 5969685 U JP5969685 U JP 5969685U JP 5969685 U JP5969685 U JP 5969685U JP S61176819 U JPS61176819 U JP S61176819U
- Authority
- JP
- Japan
- Prior art keywords
- output terminal
- terminal
- volume
- adjustment circuit
- volume adjustment
- 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
- 230000005236 sound signal Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
Landscapes
- Control Of Amplification And Gain Control (AREA)
Description
第１図はこの考案に係る音量調整回路の実施例
を示す回路図、第２図は同上実施例においてフエ
ダーボリウムの可動端子を適宜位置まで回転させ
たときの等価回路を示す回路図である。
１：ラジオ受信機のケース体、３：ＢＴＬアン
プ、３ａ：非反転出力端子、３ｂ：反転出力端子
、４：フエダーボリウム、４ａ，４ｂ：可動端子
、５，６，７：スピーカ接続端子、８：音声信号
取出し端子、ＳＰ１，ＳＰ２：スピーカ。
Fig. 1 is a circuit diagram showing an embodiment of the volume adjustment circuit according to the invention, and Fig. 2 is a circuit diagram showing an equivalent circuit when the movable terminal of the fader volume is rotated to an appropriate position in the same embodiment. . 1: Radio receiver case body, 3: BTL amplifier, 3a: non-inverting output terminal, 3b: inverting output terminal, 4: feeder volume, 4a, 4b: movable terminal, 5, 6, 7: speaker connection terminal, 8: Audio signal extraction terminal, SP1 , SP2 : Speaker.
Claims (1)
よりフエダーボリウムを介してスピーカを駆動す
る音量調整回路において、前記ＢＴＬアンプにお
ける非反転出力端子および反転出力端子の両出力
端子のうち前記フエダーボリウムにおける可動端
子に接続される出力端子とは異なる側の出力端子
に外部への音声信号取出し端子を接続したことを
特徴とする音量調整回路。 ２ 音声取出し端子はスピーカ接続端子を兼用し
たものである実用新案登録請求の範囲第１項記載
の音量調整回路。[Claims for Utility Model Registration] 1. In a volume adjustment circuit that drives a speaker via a feeder volume by an audio signal output from a BTL amplifier, both output terminals, a non-inverting output terminal and an inverting output terminal, in the BTL amplifier. A volume adjustment circuit characterized in that an audio signal output terminal to the outside is connected to an output terminal on a side different from the output terminal connected to the movable terminal of the fader volume. 2. The volume adjustment circuit according to claim 1, wherein the audio output terminal also serves as a speaker connection terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5969685U JPS61176819U (en) | 1985-04-23 | 1985-04-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5969685U JPS61176819U (en) | 1985-04-23 | 1985-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61176819U true JPS61176819U (en) | 1986-11-05 |
Family
ID=30586359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5969685U Pending JPS61176819U (en) | 1985-04-23 | 1985-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61176819U (en) |
-
1985
- 1985-04-23 JP JP5969685U patent/JPS61176819U/ja active Pending
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