JPS59171459U - Synchronous signal processing circuit - Google Patents
Synchronous signal processing circuitInfo
- Publication number
- JPS59171459U JPS59171459U JP6560683U JP6560683U JPS59171459U JP S59171459 U JPS59171459 U JP S59171459U JP 6560683 U JP6560683 U JP 6560683U JP 6560683 U JP6560683 U JP 6560683U JP S59171459 U JPS59171459 U JP S59171459U
- Authority
- JP
- Japan
- Prior art keywords
- synchronization signal
- period
- circuit
- pulses
- processing 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
- 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、本考案の同期信号処理回路の一実施例を示す
回路図、第２図ＡないしＤは、それぞれ上記同期信号処
理回路各部の信号波形を示すタイムチャート図である。
１・・・・・・・同期信号処理回路、２・・・・・・微
分回路、３・・・・・・単安定マルチバイブレーク、４
・・曲アンドゲート回路。FIG. 1 is a circuit diagram showing one embodiment of the synchronous signal processing circuit of the present invention, and FIGS. 2A to 2D are time charts showing signal waveforms of each part of the synchronous signal processing circuit. 1... Synchronous signal processing circuit, 2... Differential circuit, 3... Monostable multi-bi break, 4
...Tune and gate circuit.
Claims (1)
信号内に挿入された切り込みパルスが、水平走査周期の
ｉの周期でつらなる複合同期信号を供給され、該複合同
期信号を微分して微分パルスを得る微分回路と、該微分
回路に接続されており、前記微分パルスを供給されてト
リガされ、水平走査周期とその妻の周期の中間の時間幅
だけ動作する単安定マルチバイブレータと、該単安定マ
ルチバイブレータと前記微分回路に接続されており、前
記単安定マルチバイブレータの非動作期間中のみゲート
を開き、前記微分回路からの微分パルスの通過を許容す
るゲート回路とから構成してなる同期信号処理回路。A composite synchronization signal is supplied in which equalization pulses inserted before and after the vertical synchronization signal and cut pulses inserted in the vertical synchronization signal are connected at a period of i of the horizontal scanning period, and the composite synchronization signal is differentiated. a differentiating circuit for obtaining pulses, a monostable multivibrator connected to the differentiating circuit, triggered by being supplied with the differentiating pulses, and operating for a time width intermediate between a horizontal scanning period and its wife period; A synchronization signal comprising a stable multivibrator and a gate circuit connected to the differentiating circuit and opening the gate only during the non-operating period of the monostable multivibrator to allow the differential pulse from the differentiating circuit to pass through. processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6560683U JPS59171459U (en) | 1983-04-30 | 1983-04-30 | Synchronous signal processing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6560683U JPS59171459U (en) | 1983-04-30 | 1983-04-30 | Synchronous signal processing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59171459U true JPS59171459U (en) | 1984-11-16 |
Family
ID=30195807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6560683U Pending JPS59171459U (en) | 1983-04-30 | 1983-04-30 | Synchronous signal processing circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59171459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61281694A (en) * | 1985-05-16 | 1986-12-12 | Sanyo Electric Co Ltd | Pll circuit |
| WO1992012509A1 (en) * | 1991-01-08 | 1992-07-23 | Fanuc Ltd | Apparatus for driving planar display device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55145476A (en) * | 1979-04-27 | 1980-11-13 | Sony Corp | Producing circuit of horizontal synchronous pulse signal |
-
1983
- 1983-04-30 JP JP6560683U patent/JPS59171459U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55145476A (en) * | 1979-04-27 | 1980-11-13 | Sony Corp | Producing circuit of horizontal synchronous pulse signal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61281694A (en) * | 1985-05-16 | 1986-12-12 | Sanyo Electric Co Ltd | Pll circuit |
| WO1992012509A1 (en) * | 1991-01-08 | 1992-07-23 | Fanuc Ltd | Apparatus for driving planar display device |
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