JPS625725U - - Google Patents
Info
- Publication number
- JPS625725U JPS625725U JP9707885U JP9707885U JPS625725U JP S625725 U JPS625725 U JP S625725U JP 9707885 U JP9707885 U JP 9707885U JP 9707885 U JP9707885 U JP 9707885U JP S625725 U JPS625725 U JP S625725U
- Authority
- JP
- Japan
- Prior art keywords
- input
- demodulated
- switching
- signal
- switch
- 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
- 230000005236 sound signal Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Relay Circuits (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案回路の一実施例を示すブロツク
系統図、第２図は第１図図示ブロツク系統中の要
部の入力信号の周波数スペクトラムの一例を示す
図である。
１……テレビ音声多重放送信号入力端子、２…
…テレビ音声多重放送信号復調部、３Ｌ，３Ｒ…
…ステレオ音声信号出力端子、４……モノラル音
声信号出力端子、５……ＳＡＰ放送復調音声信号
出力端子、６Ｌ．６Ｒ……ライン入力端子、１２
Ｌ，１２Ｒ……再生ステレオ音声信号入力端子、
１４Ｌ，１４Ｒ……ライン入力端子、１５……ス
イツチングＩＣ、Ｌ……リレーコイル、Ｓ１，Ｓ
２……リレースイツチ。
FIG. 1 is a block system diagram showing one embodiment of the circuit according to the present invention, and FIG. 2 is a diagram showing an example of the frequency spectrum of an input signal of a main part of the block system shown in FIG. 1...TV audio multiplex broadcast signal input terminal, 2...
...TV audio multiplex broadcast signal demodulation section, 3L, 3R...
...Stereo audio signal output terminal, 4...Monaural audio signal output terminal, 5...SAP broadcast demodulation audio signal output terminal, 6L. 6R...Line input terminal, 12
L, 12R...Playback stereo audio signal input terminal,
14L, 14R...Line input terminal, 15...Switching IC, L...Relay coil, S1 , S
2 ...Relay switch.
Claims (1)
部で復調されて取り出された第２の入力信号とを
リレーを用いて切換える第１の切換部と、該装置
内部で復調されて取り出された複数の入力信号の
うちの一の入力信号をスイツチ回路により選択出
力する第２の切換部とよりなる信号切換回路。 a first switching unit that uses a relay to switch between a first input signal from a line input terminal and a second input signal demodulated and extracted inside the device; and a plurality of input signals demodulated and extracted inside the device. A signal switching circuit comprising a second switching section that selects and outputs one of the input signals using a switch circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9707885U JPS625725U (en) | 1985-06-26 | 1985-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9707885U JPS625725U (en) | 1985-06-26 | 1985-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS625725U true JPS625725U (en) | 1987-01-14 |
Family
ID=30963634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9707885U Pending JPS625725U (en) | 1985-06-26 | 1985-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS625725U (en) |
-
1985
- 1985-06-26 JP JP9707885U patent/JPS625725U/ja active Pending
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