JPS5956853U - Muting circuit - Google Patents
Muting circuitInfo
- Publication number
- JPS5956853U JPS5956853U JP14840082U JP14840082U JPS5956853U JP S5956853 U JPS5956853 U JP S5956853U JP 14840082 U JP14840082 U JP 14840082U JP 14840082 U JP14840082 U JP 14840082U JP S5956853 U JPS5956853 U JP S5956853U
- Authority
- JP
- Japan
- Prior art keywords
- switching
- circuit
- terminal
- output
- muting
- 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の一実施例を示す回
路図、第２図は本考案のミューティング回路の一実施例
来示す回路図である。
なお、図面に記載の記号は下記のものを示す。
５．５′・・・・・・出力端子、６，６′・・・・・・
スイッチング素子、９・・・・・・安定化回路、１１・
・・・・・平滑回路、 、−３・・・・・・直流電
源部、１３・・・・・・第１の電流制限用抵抗、５０・
・・・・・電源スィッチ、５２・・間第１の切り′換え
ｉ子、５４・・・・・・共通切り換え端子、５６・・・
・・・第２の切り換え端子、５Ｂ−・・・・可動接片１
５．６１・・・・・・抵抗、６３・・曲コンデンサ、６
１．６３・・開時”定数回路、７０・・・・・・第２の
電流制限用抵抗、１１１・・・・・・スイッチング回路
。FIG. 1 is a circuit diagram showing an embodiment of a conventional muting circuit, and FIG. 2 is a circuit diagram showing an embodiment of the muting circuit of the present invention. The symbols shown in the drawings indicate the following. 5.5'...Output terminal, 6,6'...
Switching element, 9... Stabilization circuit, 11.
... Smoothing circuit, -3 ... DC power supply section, 13 ... First current limiting resistor, 50.
...Power switch, 52...First switching terminal, 54...Common switching terminal, 56...
...Second switching terminal, 5B-...Movable contact piece 1
5.61... Resistor, 63... Curved capacitor, 6
1.63...Open constant circuit, 70...Second current limiting resistor, 111...Switching circuit.
Claims (1)
路を有するスイッチング回路とその出力により制御され
る電子機器の出力端子とアース間に接続されたスイッチ
ング素子とを有するミューティング回路に於いて、
゛ ・直流電源部の出力が共通切り換え端子
に印加され、第１の切り換え端子より安定化回路への入
力が供給され、第２の切り換え端子より前記直流電′源
部の出力が前記スイッチング素子に印加され、可動接片
により切り換え時の所定位置にて前記共通切り換え端子
と前記第１と第２の切り換え端子が接触状態となる電源
スィッチとより成り、電源オン時に所定時間中に所定の
信号を前記スイッチング回路より出力させることを特徴
とするミューティング回路。In a muting circuit that includes a switching circuit that is controlled by a muting control input signal and has a time constant circuit, and a switching element that is connected between the output terminal of an electronic device that is controlled by the output of the switching circuit and ground,
゛ - The output of the DC power source is applied to the common switching terminal, the input to the stabilization circuit is supplied from the first switching terminal, and the output of the DC power source is applied to the switching element from the second switching terminal. a power switch in which the common switching terminal and the first and second switching terminals are brought into contact at a predetermined position at the time of switching by a movable contact; A muting circuit characterized by outputting from a switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14840082U JPS5956853U (en) | 1982-09-30 | 1982-09-30 | Muting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14840082U JPS5956853U (en) | 1982-09-30 | 1982-09-30 | Muting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5956853U true JPS5956853U (en) | 1984-04-13 |
Family
ID=30329722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14840082U Pending JPS5956853U (en) | 1982-09-30 | 1982-09-30 | Muting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5956853U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5272553A (en) * | 1975-12-15 | 1977-06-17 | Standard Kogyo Kk | Circuit for deleting pops noise for audio device |
-
1982
- 1982-09-30 JP JP14840082U patent/JPS5956853U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5272553A (en) * | 1975-12-15 | 1977-06-17 | Standard Kogyo Kk | Circuit for deleting pops noise for audio device |
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