JPS5830314U - Muting circuit - Google Patents
Muting circuitInfo
- Publication number
- JPS5830314U JPS5830314U JP12555981U JP12555981U JPS5830314U JP S5830314 U JPS5830314 U JP S5830314U JP 12555981 U JP12555981 U JP 12555981U JP 12555981 U JP12555981 U JP 12555981U JP S5830314 U JPS5830314 U JP S5830314U
- Authority
- JP
- Japan
- Prior art keywords
- muting
- turned
- section
- time constant
- power source
- 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
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図は従来のミューティング回路を示す回路図、第２
図は本考案に係るミューティング回路の実施例を示す回
路図である。
１・・・時定数設定部、２・・・制御部、４・・・電源
入力部、５・・・ミューティング動作指令信号入力部、
Ｓ工・・・切換器。Figure 1 is a circuit diagram showing a conventional muting circuit, Figure 2 is a circuit diagram showing a conventional muting circuit.
The figure is a circuit diagram showing an embodiment of the muting circuit according to the present invention. DESCRIPTION OF SYMBOLS 1... Time constant setting part, 2... Control part, 4... Power input part, 5... Muting operation command signal input part,
S-engine...Switcher.
Claims (1)
動作指令信号によりミューティング動作をさせるべき機
器の信号系をア′−スに接続するための制御部とからな
るミューティング回路であって、機器の主電源スイッチ
のオン、オフに連動して切り換え動作し、オンによりＢ
電源を前記時定数設定部の電源入力部に、またオフによ
り前記制御部のミューティング動作指令信号入力部に夫
々接続させるようにした切換器を設けて、前記主電源の
オフ時のミューティング時定数としてＢ電源の減衰特性
を利用するように構成したことを特徴 −とするミュー
ティング回路。A muting circuit comprising a time constant setting section and a control section for connecting to ground a signal system of a device to perform a muting operation in response to a muting operation command signal from the time constant setting section. , the switch operates in conjunction with the on/off of the main power switch of the device, and when it is turned on, B
A switch is provided to connect a power source to the power input section of the time constant setting section and to a muting operation command signal input section of the control section when turned off, so that muting when the main power source is turned off is provided. A muting circuit characterized in that it is configured to use the attenuation characteristics of the B power source as a constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12555981U JPS5830314U (en) | 1981-08-25 | 1981-08-25 | Muting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12555981U JPS5830314U (en) | 1981-08-25 | 1981-08-25 | Muting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5830314U true JPS5830314U (en) | 1983-02-28 |
Family
ID=29919399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12555981U Pending JPS5830314U (en) | 1981-08-25 | 1981-08-25 | Muting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5830314U (en) |
-
1981
- 1981-08-25 JP JP12555981U patent/JPS5830314U/en active Pending
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