JPS6025286U - Muting circuit for television peripheral equipment with RF modulator - Google Patents
Muting circuit for television peripheral equipment with RF modulatorInfo
- Publication number
- JPS6025286U JPS6025286U JP11646983U JP11646983U JPS6025286U JP S6025286 U JPS6025286 U JP S6025286U JP 11646983 U JP11646983 U JP 11646983U JP 11646983 U JP11646983 U JP 11646983U JP S6025286 U JPS6025286 U JP S6025286U
- Authority
- JP
- Japan
- Prior art keywords
- modulator
- peripheral equipment
- circuit
- television
- muting 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
- Television Signal Processing For Recording (AREA)
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はＶＴＲをテレビジョン受像機に接続した場合の
構成を示すブロック図、第２図はＲＦモジュレータの内
部構成を示すブロック図、第３図は従来のミューティン
グ回路を示す回路図、第４図は本考案の一実施例に係る
ミューティング回路を示す回路図である。
２３・・・音声ミュート回路、２４・・・映像スケルチ
回路、Ｑ２・・・トランジスタ、Ｒ６，Ｒ６・・・抵抗
、Ｃ３・・・コンデンサ。Fig. 1 is a block diagram showing the configuration when a VTR is connected to a television receiver, Fig. 2 is a block diagram showing the internal structure of the RF modulator, Fig. 3 is a circuit diagram showing a conventional muting circuit, FIG. 4 is a circuit diagram showing a muting circuit according to an embodiment of the present invention. 23... Audio mute circuit, 24... Video squelch circuit, Q2... Transistor, R6, R6... Resistor, C3... Capacitor.
Claims (1)
の変換した信号をテレビジョン受像機のアンテナ入力端
子に導出するＲＦモジュレータを有するテレビジョン周
辺機器において、前記音声信号をＲＦモジュレータへ導
出する経路に音声信号をミューティングする音声ミュー
ト回路を接続するとともに、前記映像信号をＲＦモジュ
レータへ導出する経路に前記音声ミュート回路の動作と
同時に映像信号をスケルチする映像スケルチ回路を接続
したことを特徴とするＲＦモジュレータを有スるテレビ
ジョン周辺機器のミューティング回路。In a television peripheral device having an RF modulator that inputs an audio signal and a video signal, performs frequency conversion on each, and outputs the converted signals to an antenna input terminal of a television receiver, the audio signal is output to the RF modulator. An audio mute circuit that mutes the audio signal is connected to the path, and a video squelch circuit that squelches the video signal simultaneously with the operation of the audio mute circuit is connected to the path that leads the video signal to the RF modulator. A muting circuit for television peripheral equipment that has an RF modulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11646983U JPS6025286U (en) | 1983-07-28 | 1983-07-28 | Muting circuit for television peripheral equipment with RF modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11646983U JPS6025286U (en) | 1983-07-28 | 1983-07-28 | Muting circuit for television peripheral equipment with RF modulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6025286U true JPS6025286U (en) | 1985-02-20 |
Family
ID=30268471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11646983U Pending JPS6025286U (en) | 1983-07-28 | 1983-07-28 | Muting circuit for television peripheral equipment with RF modulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6025286U (en) |
-
1983
- 1983-07-28 JP JP11646983U patent/JPS6025286U/en active Pending
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