JPH0448800U - - Google Patents
Info
- Publication number
- JPH0448800U JPH0448800U JP9144190U JP9144190U JPH0448800U JP H0448800 U JPH0448800 U JP H0448800U JP 9144190 U JP9144190 U JP 9144190U JP 9144190 U JP9144190 U JP 9144190U JP H0448800 U JPH0448800 U JP H0448800U
- Authority
- JP
- Japan
- Prior art keywords
- input
- signal
- input terminal
- amplifiers
- channels
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の回路構成図、第２図はその具
体例である。
１……信号検出回路、２……スイツチング回路
、３，４……増幅器、１０……記録ブロツク。
FIG. 1 is a circuit diagram of the present invention, and FIG. 2 is a specific example thereof. 1...Signal detection circuit, 2...Switching circuit, 3, 4...Amplifier, 10...Recording block.
Claims (1)
接続された信号検出回路と、該信号検出回路によ
つて一方の入力端子に入力される入力信号の存在
を検出した時Ｌ及びＲ２つの入力端子をＬ及びＲ
２つのチヤンネルの増幅器にそれぞれ接続し、且
つ一方の入力端子に入力信号が存在しない時他方
の入力端子に入力される入力信号をＬ及びＲ２つ
のチヤンネルの増幅器に同時に接続するスイツチ
ング回路を具備したことを特徴とするステレオ・
モノラル自動切換入力回路。 Two input terminals L and R, a signal detection circuit connected to one input terminal, and when the signal detection circuit detects the presence of an input signal input to one input terminal, two input terminals L and R are connected. L and R
Equipped with a switching circuit that is connected to the amplifiers of two channels, and simultaneously connects the input signal input to the other input terminal when there is no input signal to one input terminal to the amplifiers of the two channels L and R. Stereo featuring
Monaural automatic switching input circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9144190U JPH0448800U (en) | 1990-08-30 | 1990-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9144190U JPH0448800U (en) | 1990-08-30 | 1990-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448800U true JPH0448800U (en) | 1992-04-24 |
Family
ID=31827074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9144190U Pending JPH0448800U (en) | 1990-08-30 | 1990-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448800U (en) |
-
1990
- 1990-08-30 JP JP9144190U patent/JPH0448800U/ja active Pending
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