JPS6387911U - - Google Patents
Info
- Publication number
- JPS6387911U JPS6387911U JP18245986U JP18245986U JPS6387911U JP S6387911 U JPS6387911 U JP S6387911U JP 18245986 U JP18245986 U JP 18245986U JP 18245986 U JP18245986 U JP 18245986U JP S6387911 U JPS6387911 U JP S6387911U
- Authority
- JP
- Japan
- Prior art keywords
- function
- power supply
- time constant
- changeover switch
- constant circuit
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Amplifiers (AREA)
- Noise Elimination (AREA)
Description
第１図は本考案の一実施例を示す図、第２図は
その各部波形を示す図である。
１…機能切換スイツチ、２…第１時定数回路、
５…第１電源供給用トランジスタ、７…第２時定
数回路、１０…第２電源供給用トランジスタ、１
１…コントローラ、１２…第１端子、１３…第２
端子。
FIG. 1 is a diagram showing an embodiment of the present invention, and FIG. 2 is a diagram showing waveforms of various parts thereof. 1...Function selector switch, 2 ...First time constant circuit,
5... First power supply transistor, 7 ... Second time constant circuit, 10... Second power supply transistor, 1
1...Controller, 12...First terminal, 13...Second
terminal.
Claims (1)
響機器に於いて、ノンシヨーテイング型の機能切
換スイツチと、この機能切換スイツチの第１機能
側端子に接続された第１時定数回路と、電源供給
線路に配設され、且つ前記第１時定数回路の出力
により制御される第１電源供給用トランジスタと
、前記機能切換スイツチの第２機能側端子に接続
された第２時定数回路と、電源供給線路に配設さ
れ、且つ前記第２時定数回路の出力により制御さ
れる第２電源供給用トランジスタと、前記機能切
換スイツチの第１及び第２機能側端子に夫々接続
される第１及び第２端子を有し、この第１及び第
２端子へ供給される電源の立上り及び立下りに応
答してミユーテイング制御信号を出力するコント
ローラとを備えたことを特徴とするミユーテイン
グ回路。 In audio equipment that performs function switching such as radio tape switching, there is a non-shooting type function changeover switch, a first time constant circuit connected to the first function side terminal of the function changeover switch, and a power supply. a first power supply transistor disposed on the line and controlled by the output of the first time constant circuit; a second time constant circuit connected to the second function side terminal of the function changeover switch; and a power supply transistor. a second power supply transistor disposed on the line and controlled by the output of the second time constant circuit; and first and second power supply transistors connected to the first and second function side terminals of the function changeover switch, respectively. 1. A muting circuit comprising: a controller having terminals and outputting a muting control signal in response to rises and falls of power supplied to the first and second terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18245986U JPS6387911U (en) | 1986-11-26 | 1986-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18245986U JPS6387911U (en) | 1986-11-26 | 1986-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6387911U true JPS6387911U (en) | 1988-06-08 |
Family
ID=31128279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18245986U Pending JPS6387911U (en) | 1986-11-26 | 1986-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6387911U (en) |
-
1986
- 1986-11-26 JP JP18245986U patent/JPS6387911U/ja active Pending
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