JPS61145309U - - Google Patents
Info
- Publication number
- JPS61145309U JPS61145309U JP2754085U JP2754085U JPS61145309U JP S61145309 U JPS61145309 U JP S61145309U JP 2754085 U JP2754085 U JP 2754085U JP 2754085 U JP2754085 U JP 2754085U JP S61145309 U JPS61145309 U JP S61145309U
- Authority
- JP
- Japan
- Prior art keywords
- program
- audio signal
- channel
- audio
- signal
- 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 claims 7
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図は本考案回路の一実施例の回路図、第２
図は第１図示のスイツチの外観を示す図、第３図
は第１図示の回路及びその変形回路夫々の入力信
号と各トラツクの記録信号の対応を説明するため
の図、第４図は第１図示の回路の信号の入力レベ
ルと出力レベル及び歪率との関係を表わす図、第
５図は第２図示のＬＥＤの点灯、消灯状態を説明
するための図である。
２……スイツチ、３……操作ノブ、Ｄ１……ダ
イオード、Ｑ１，Ｑ４……トランジスタ、Ｒ１，
Ｒ１０……抵抗。
Fig. 1 is a circuit diagram of an embodiment of the circuit of the present invention;
The figure shows the external appearance of the switch shown in the first figure, FIG. 1 is a diagram showing the relationship between the input level, the output level, and the distortion factor of the signal of the circuit shown in FIG. 1, and FIG. 2...Switch, 3...Operation knob, D1 ...Diode, Q1 , Q4 ...Transistor, R1 ,
R10 ...Resistance.
Claims (1)
ルを第１プログラムの音声信号を割当て、該主チ
ヤンネル及び副チヤンネルとは周波数帯域の異な
るチヤンネルに第２プログラムの音声信号を割当
てたテレビジヨン音声多重放送信号を受信して得
られる第１プログラム、第２プログラム夫々を音
声信号を切換えて取り出す音声信号切換回路であ
つて、接続位置及び該第２プログラムの有無に応
じた制御信号を生成するスイツチ回路と、該第１
プログラム、第２プログラムの音声信号夫々の伝
送路に設けられ該制御信号に応じてスイツチング
を行なうスイツチング素子とよりなり、該第１プ
ログラム又は第２プログラムの音声信号を取り出
すように構成した音声信号切換回路。 A television audio multiplex broadcast signal is received in which the audio signal of a first program is assigned to the main channel or the main channel and the sub-channel, and the audio signal of the second program is assigned to the channel whose frequency band is different from that of the main channel and the sub-channel. an audio signal switching circuit that switches the audio signals to take out the first program and the second program obtained by the program, and generates a control signal according to the connection position and the presence or absence of the second program;
An audio signal switching device that is configured to take out the audio signal of the first program or the second program, and includes a switching element that is provided in the transmission path of the audio signal of the program and the second program and performs switching according to the control signal. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2754085U JPS61145309U (en) | 1985-02-27 | 1985-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2754085U JPS61145309U (en) | 1985-02-27 | 1985-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61145309U true JPS61145309U (en) | 1986-09-08 |
Family
ID=30524590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2754085U Pending JPS61145309U (en) | 1985-02-27 | 1985-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61145309U (en) |
-
1985
- 1985-02-27 JP JP2754085U patent/JPS61145309U/ja active Pending
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