JPS6032861U - Synchronous detection circuit - Google Patents
Synchronous detection circuitInfo
- Publication number
- JPS6032861U JPS6032861U JP12345883U JP12345883U JPS6032861U JP S6032861 U JPS6032861 U JP S6032861U JP 12345883 U JP12345883 U JP 12345883U JP 12345883 U JP12345883 U JP 12345883U JP S6032861 U JPS6032861 U JP S6032861U
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- synchronous detection
- circuit
- synchronization detection
- audio
- 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
- Synchronizing For Television (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例の回路構成図、第２図は本考案の一実施
例におけるブロック図、第３図は音声信号周波数帯域の
コントロール信号レベルを示すグラフである。
２１・・・コンバータ、２２・・・同期分離回路、２３
・・・音声検波回路、２４・・・フィルタ、２５・・・
フラグ検出回路、２６・・・ゲート信号作成回路、２７
・・・アンドゲート回路、２８・・・垂直同期信号出力
、２９・・・音声信号出力、３０・・・映像信号出力、
３１・・・積分回路、３２・・・波形整形回路。FIG. 1 is a circuit diagram of a conventional example, FIG. 2 is a block diagram of an embodiment of the present invention, and FIG. 3 is a graph showing the control signal level of the audio signal frequency band. 21... Converter, 22... Synchronous separation circuit, 23
...Audio detection circuit, 24...Filter, 25...
Flag detection circuit, 26... Gate signal generation circuit, 27
...AND gate circuit, 28...Vertical synchronization signal output, 29...Audio signal output, 30...Video signal output,
31... Integrating circuit, 32... Waveform shaping circuit.
Claims (1)
音声検波回路から得られた音声出力からタイミング信号
を抽出してゲート信号を構成する回路を具備し、映像信
号の同期信号出力回路に設けたゲート回路比上記ゲート
信号を入力して同期信号出力を得るようにしたことを特
徴とする同期検出回路。In a synchronization detection circuit for television reception signals,
It is equipped with a circuit that extracts a timing signal from the audio output obtained from the audio detection circuit and configures a gate signal. A synchronization detection circuit characterized in that it obtains a synchronization detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12345883U JPS6032861U (en) | 1983-08-09 | 1983-08-09 | Synchronous detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12345883U JPS6032861U (en) | 1983-08-09 | 1983-08-09 | Synchronous detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6032861U true JPS6032861U (en) | 1985-03-06 |
Family
ID=30281808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12345883U Pending JPS6032861U (en) | 1983-08-09 | 1983-08-09 | Synchronous detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6032861U (en) |
-
1983
- 1983-08-09 JP JP12345883U patent/JPS6032861U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6032861U (en) | Synchronous detection circuit | |
| JPS6064676U (en) | Audio carrier frequency discrimination circuit in television receiver for multi-system reception | |
| JPS6047373U (en) | television receiver | |
| JPS58119251U (en) | Audio announcement broadcasting device | |
| JPS6037983U (en) | Synchronous signal waveform shaping circuit | |
| JPS58194576U (en) | detection circuit | |
| JPS6020064U (en) | Carrier detection circuit for frequency modulated audio signals | |
| JPS6030674U (en) | TV receiver PIF PLL synchronous detection circuit | |
| JPS59106264U (en) | Video signal detection polarity automatic inversion circuit | |
| JPS59129272U (en) | television receiver | |
| JPS59157362U (en) | Synchronous signal separation circuit | |
| JPS59108377U (en) | Audio/video detection circuit | |
| JPS5883863U (en) | Synchronous signal separation circuit | |
| JPS59185712U (en) | Audio signal processing circuit | |
| JPS60177539U (en) | Television receiver synchronization separation circuit | |
| JPS619964U (en) | portable tv camera | |
| JPS5933374U (en) | television receiver | |
| JPS6055162U (en) | television set | |
| JPS58172272U (en) | TV receiver channel switching detection circuit | |
| JPS6098971U (en) | Synchronous detection circuit | |
| JPS6082877U (en) | Vertical synchronization signal separation circuit for television receivers | |
| JPS58125463U (en) | Contour correction circuit for video signals | |
| JPS6011570U (en) | CATV system decoding circuit | |
| JPS58155148U (en) | AM Chuna | |
| JPS59121966U (en) | Pulse width detection synchronization circuit |