JPS60132071U - Synchronous switching circuit - Google Patents
Synchronous switching circuitInfo
- Publication number
- JPS60132071U JPS60132071U JP1682484U JP1682484U JPS60132071U JP S60132071 U JPS60132071 U JP S60132071U JP 1682484 U JP1682484 U JP 1682484U JP 1682484 U JP1682484 U JP 1682484U JP S60132071 U JPS60132071 U JP S60132071U
- Authority
- JP
- Japan
- Prior art keywords
- switching circuit
- synchronous switching
- horizontal synchronization
- synchronization signal
- pulse width
- 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、本考案のブロック図、第２図は、本考案の１
実施例の回路図、第３，４図は、本考案の動作波形図で
ある。
１・・・水平同期信号の入力、２・・・水平同期信号パ
ルス幅検出器、３・・・同期信号選択器、４・・・水平
同期信号出力、５・・・垂直同期信号入力、６，１１゜
１２．１３・・・インバータ、１４，１５，１６・・・
、 、ＮＡＮＤゲート。Figure 1 is a block diagram of the present invention, and Figure 2 is a block diagram of the present invention.
The circuit diagram of the embodiment, FIGS. 3 and 4, are operational waveform diagrams of the present invention. 1...Horizontal synchronization signal input, 2...Horizontal synchronization signal pulse width detector, 3...Synchronization signal selector, 4...Horizontal synchronization signal output, 5...Vertical synchronization signal input, 6 , 11゜12.13... Inverter, 14, 15, 16...
, ,NAND gate.
Claims (1)
面を再生するモニターテレビジョン受像機において、水
平同期信号のパルス幅を検知することにより、自動的に
極性判別を行ない制御を行なうことを特徴とする同期切
り換え回路。In monitor television receivers that input vertical and horizontal synchronization signals and primary color signals from the outside to reproduce the screen, it is possible to automatically determine polarity and perform control by detecting the pulse width of the horizontal synchronization signal. Features a synchronous switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1682484U JPS60132071U (en) | 1984-02-10 | 1984-02-10 | Synchronous switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1682484U JPS60132071U (en) | 1984-02-10 | 1984-02-10 | Synchronous switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60132071U true JPS60132071U (en) | 1985-09-04 |
Family
ID=30503954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1682484U Pending JPS60132071U (en) | 1984-02-10 | 1984-02-10 | Synchronous switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60132071U (en) |
-
1984
- 1984-02-10 JP JP1682484U patent/JPS60132071U/en active Pending
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