JPH0286275U - - Google Patents
Info
- Publication number
- JPH0286275U JPH0286275U JP16543788U JP16543788U JPH0286275U JP H0286275 U JPH0286275 U JP H0286275U JP 16543788 U JP16543788 U JP 16543788U JP 16543788 U JP16543788 U JP 16543788U JP H0286275 U JPH0286275 U JP H0286275U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- television signal
- audio
- relay device
- tone
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Circuits Of Receivers In General (AREA)
- Radio Relay Systems (AREA)
Description
第１図は本考案の一実施例を示すテレビジヨン
信号中継装置のブロツク図である。
１……受信回路（ＲＸ）、２……送信回路（Ｔ
Ｘ）、３……分配器（ＤＩ）、４……音声復調器
（ＤＭ）、５１，５２……バンドパスフイルタ（
ＢＰＦ）、６１，６２……トーン検知回路（ＤＥ
Ｔ）。
FIG. 1 is a block diagram of a television signal relay device showing an embodiment of the present invention. 1... Receiving circuit (RX), 2... Transmitting circuit (T
X), 3...Distributor (DI), 4...Audio demodulator (DM), 51, 52...Band pass filter (
BPF), 61, 62...Tone detection circuit (DE
T).
Claims (1)
テレビジヨン信号から音声信号を抽出して復調す
る音声復調器と、この音声復調器による復調信号
から所定の第１、第２の周波数のトーン信号を検
知する第１、第２のトーン検知回路とを備え、こ
の第１、第２のトーン検知回路の出力によつて送
信装置の起動、停止を制御することを特徴とする
テレビジヨン信号中継装置の送信制御回路。 A television signal relay device includes an audio demodulator that extracts and demodulates an audio signal from a received television signal, and a tone signal of predetermined first and second frequencies that is detected from the demodulated signal by the audio demodulator. 1. A transmission control circuit for a television signal relay device, comprising a second tone detection circuit, and controlling starting and stopping of a transmitting device based on the outputs of the first and second tone detection circuits. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16543788U JPH0286275U (en) | 1988-12-20 | 1988-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16543788U JPH0286275U (en) | 1988-12-20 | 1988-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0286275U true JPH0286275U (en) | 1990-07-09 |
Family
ID=31451923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16543788U Pending JPH0286275U (en) | 1988-12-20 | 1988-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0286275U (en) |
-
1988
- 1988-12-20 JP JP16543788U patent/JPH0286275U/ja active Pending
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