JPS58163013U - Circuit to prevent sound leakage between functions of multi-channel audio equipment - Google Patents
Circuit to prevent sound leakage between functions of multi-channel audio equipmentInfo
- Publication number
- JPS58163013U JPS58163013U JP5969582U JP5969582U JPS58163013U JP S58163013 U JPS58163013 U JP S58163013U JP 5969582 U JP5969582 U JP 5969582U JP 5969582 U JP5969582 U JP 5969582U JP S58163013 U JPS58163013 U JP S58163013U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- channel audio
- switch
- audio equipment
- 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
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図は従来例を示す回路図、第３図は本考案
の実施例を示す回路図である。
１・・・・・・プリアンプ、２・・・・・・ラインアン
プ、３・・・・・・再生ヘッド、４・・・・・・ファン
クション切換スイッチ、５・・・・・・電解コンデンサ
ー、６・・・・・・利得調整用抵抗、７・・・・・・ミ
ューティング用トランジスタ、８・・・・・・利得切換
え用トランジスタ。1 and 2 are circuit diagrams showing a conventional example, and FIG. 3 is a circuit diagram showing an embodiment of the present invention. 1... Preamplifier, 2... Line amplifier, 3... Playback head, 4... Function selector switch, 5... Electrolytic capacitor, 6...Resistor for gain adjustment, 7...Transistor for muting, 8...Transistor for gain switching.
Claims (1)
プ、外部入力端子を有する第１．第２のファンクション
スイッチを介して再生する多チヤンネル音響機器におい
て上記ファンクションスイッチに連動するスイッチと該
スイッチを上記第１゜第２の信号源の信号を再生する側
に設定した時オフし、上記スイッチを上記外部入力端子
側に設定した時オン、上記第１．第２信号源の信号をミ
ュート状態にするトランジスタを具え、上記外部入力端
子への上記第１．第２の信号源のもれをなくすことを特
徴とする多チヤンネル音響機器のファンクション開音も
れ防止回路。1st. The signal from the second signal source is transmitted to the first signal source. a second preamplifier, a first preamplifier having an external input terminal; In a multi-channel audio device that reproduces signals via a second function switch, a switch interlocked with the function switch is turned off when the switch is set to the side for reproducing the signal from the first and second signal sources, and the switch is turned off. is turned on when set to the above external input terminal side, and the above 1st. a transistor for muting the signal of the second signal source, the first signal to the external input terminal; A function open sound leakage prevention circuit for multi-channel audio equipment characterized by eliminating leakage of a second signal source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5969582U JPS58163013U (en) | 1982-04-26 | 1982-04-26 | Circuit to prevent sound leakage between functions of multi-channel audio equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5969582U JPS58163013U (en) | 1982-04-26 | 1982-04-26 | Circuit to prevent sound leakage between functions of multi-channel audio equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58163013U true JPS58163013U (en) | 1983-10-29 |
Family
ID=30069990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5969582U Pending JPS58163013U (en) | 1982-04-26 | 1982-04-26 | Circuit to prevent sound leakage between functions of multi-channel audio equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58163013U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4843278A (en) * | 1971-10-01 | 1973-06-22 | ||
| JPS4931280A (en) * | 1972-07-21 | 1974-03-20 |
-
1982
- 1982-04-26 JP JP5969582U patent/JPS58163013U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4843278A (en) * | 1971-10-01 | 1973-06-22 | ||
| JPS4931280A (en) * | 1972-07-21 | 1974-03-20 |
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