JPS6134692U - Video playback equipment - Google Patents
Video playback equipmentInfo
- Publication number
- JPS6134692U JPS6134692U JP12055884U JP12055884U JPS6134692U JP S6134692 U JPS6134692 U JP S6134692U JP 12055884 U JP12055884 U JP 12055884U JP 12055884 U JP12055884 U JP 12055884U JP S6134692 U JPS6134692 U JP S6134692U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- video playback
- playback equipment
- audio signal
- 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
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の映像再生機器の一実施例を示すブロック
図である。
６・・・検出回路、７・・・切換回路、８・・・正帰還
回路、９・・・増幅回路。The drawing is a block diagram showing an embodiment of the video playback device of the present invention. 6...Detection circuit, 7...Switching circuit, 8...Positive feedback circuit, 9...Amplification circuit.
Claims (1)
の検出出力により断続される切換回路と、前記切換回路
一より断読される音声信号系路中の増幅回路の正帰還回
路とからなり、前記映像信号及び音声信号が無信号状態
の際に前記正帰還回路を接続し増幅回路を発振させるこ
とを特徴とする映像再生機器。Consisting of a detection circuit that detects the presence or absence of a video signal and an audio signal, a switching circuit that is switched on and off based on the detection output, and a positive feedback circuit for an amplifier circuit in the audio signal path that is switched off and on from the switching circuit 1, A video playback device characterized in that when the video signal and the audio signal are in a non-signal state, the positive feedback circuit is connected to cause the amplifier circuit to oscillate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12055884U JPS6134692U (en) | 1984-08-02 | 1984-08-02 | Video playback equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12055884U JPS6134692U (en) | 1984-08-02 | 1984-08-02 | Video playback equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6134692U true JPS6134692U (en) | 1986-03-03 |
Family
ID=30679373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12055884U Pending JPS6134692U (en) | 1984-08-02 | 1984-08-02 | Video playback equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6134692U (en) |
-
1984
- 1984-08-02 JP JP12055884U patent/JPS6134692U/en active Pending
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