JPS6397912U - - Google Patents
Info
- Publication number
- JPS6397912U JPS6397912U JP19290486U JP19290486U JPS6397912U JP S6397912 U JPS6397912 U JP S6397912U JP 19290486 U JP19290486 U JP 19290486U JP 19290486 U JP19290486 U JP 19290486U JP S6397912 U JPS6397912 U JP S6397912U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- capacitor
- circuit
- power
- current during
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案のミユーテイング回路の一実施
例回路図、第２図はその動作説明用波形図（タイ
ミングチヤート）、第３図は従来のミユーテイン
グ回路図である。
１０……ミユーテイング回路、１１……ミユー
トパルス形成回路、１２……過負荷トランジスタ
回路、Ｃ１，Ｃ２……コンデンサ、Ｑ１〜Ｑ３…
…トランジスタ、Ｒ１〜Ｒ５……抵抗。
FIG. 1 is a circuit diagram of one embodiment of the muting circuit of the present invention, FIG. 2 is a waveform diagram (timing chart) for explaining its operation, and FIG. 3 is a conventional muting circuit diagram. 10... Muting circuit, 11... Muting pulse forming circuit, 12... Overload transistor circuit, C1 , C2 ... Capacitor, Q1 to Q3 ...
...transistor, R1 to R5 ...resistance.
Claims (1)
ジスタと、該第１のトランジスタの導通により充
電されるコンデンサと、前記電源切断時に導通し
て該コンデンサの電荷を放電させる第２のトラン
ジスタと、前記充電時の電流および放電時の電流
によつて生じる電圧によつて導通して信号ライン
を短絡させる第３のトランジスタとより成ること
を特徴とするミユーテイング回路。 a first transistor that becomes conductive when power is applied to the device main body; a capacitor that is charged by the conduction of the first transistor; a second transistor that becomes conductive when the power is turned off and discharges the charge of the capacitor; 1. A muting circuit comprising: a third transistor that is made conductive by a voltage generated by the current during discharge and the current during discharge to short-circuit the signal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19290486U JPS6397912U (en) | 1986-12-15 | 1986-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19290486U JPS6397912U (en) | 1986-12-15 | 1986-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6397912U true JPS6397912U (en) | 1988-06-24 |
Family
ID=31148425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19290486U Pending JPS6397912U (en) | 1986-12-15 | 1986-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6397912U (en) |
-
1986
- 1986-12-15 JP JP19290486U patent/JPS6397912U/ja active Pending
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