JPS58131417U - Muting circuit for audio equipment - Google Patents
Muting circuit for audio equipmentInfo
- Publication number
- JPS58131417U JPS58131417U JP2870382U JP2870382U JPS58131417U JP S58131417 U JPS58131417 U JP S58131417U JP 2870382 U JP2870382 U JP 2870382U JP 2870382 U JP2870382 U JP 2870382U JP S58131417 U JPS58131417 U JP S58131417U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- input
- stage amplifier
- audio equipment
- selector switch
- 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
- Signal Processing Not Specific To The Method Of Recording And Reproducing (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、第２図は従来の音響機器のミューティング回路
を示す要部の構成図、第３図はこの考案に係る音響機器
のミューティング回路の一実施例を示す要部の構成図、
第４図は同じく他の実施例を示す要部の構成図である。
ＩＮ・・・入力端子、Ａ１１・・・前段増幅器、０１□
〜Ｃ□５・・・コンデンサ、Ｒ１１，Ｒ１゜・・・抵抗
、Ａ□２・・・後段増幅器、Ｓ１１・・・入切換スイッ
チ、Ｓｌ。・・・電源？Ｊ換スイッチ、ｐｓ・・・電源
切換回路、十Ｂ・・・電源。1 and 2 are block diagrams of main parts showing a muting circuit of a conventional audio equipment, and FIG. 3 is a block diagram of main parts showing an embodiment of a muting circuit of an audio equipment according to this invention.
FIG. 4 is a configuration diagram of the main parts showing another embodiment. IN...Input terminal, A11...Pre-stage amplifier, 01□
~C□5...Capacitor, R11, R1゜...Resistor, A□2...Late stage amplifier, S11...On selector switch, Sl. ···power supply? J switching switch, ps...power switching circuit, 10B...power supply.
Claims (1)
前段増幅器の出力端に接続された入力切換スイッチと、
この入力切換スイッチの前記所定の音響再生用信号の選
択接点に入力端が接続された後段増幅器と、前記入力切
換スイッチと連動して前記所定の音響再生信号の選択接
点で前記前段増幅器に電源電圧を供給可能とする電源切
換スイッチと、この電源切換スイッチに接続され電源切
換えの遅延動作を与える充電回路または放電回路とを具
備してなることを特徴とする音響機器のミューティング
回路。a pre-stage amplifier into which a predetermined sound reproduction signal is input; an input selector switch connected to the output end of the pre-stage amplifier;
A rear-stage amplifier whose input end is connected to a selection contact for the predetermined audio reproduction signal of the input selection switch; What is claimed is: 1. A muting circuit for audio equipment, comprising: a power supply selector switch capable of supplying power; and a charging circuit or a discharging circuit connected to the power supply selector switch to delay power supply switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2870382U JPS58131417U (en) | 1982-03-01 | 1982-03-01 | Muting circuit for audio equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2870382U JPS58131417U (en) | 1982-03-01 | 1982-03-01 | Muting circuit for audio equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58131417U true JPS58131417U (en) | 1983-09-05 |
Family
ID=30040537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2870382U Pending JPS58131417U (en) | 1982-03-01 | 1982-03-01 | Muting circuit for audio equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58131417U (en) |
-
1982
- 1982-03-01 JP JP2870382U patent/JPS58131417U/en active Pending
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