JPS6251866U - - Google Patents
Info
- Publication number
- JPS6251866U JPS6251866U JP14397685U JP14397685U JPS6251866U JP S6251866 U JPS6251866 U JP S6251866U JP 14397685 U JP14397685 U JP 14397685U JP 14397685 U JP14397685 U JP 14397685U JP S6251866 U JPS6251866 U JP S6251866U
- Authority
- JP
- Japan
- Prior art keywords
- multivibrator
- logic gate
- synchronization detection
- horizontal synchronization
- horizontal
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 230000001360 synchronised effect Effects 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Synchronizing For Television (AREA)
Description
第１図は本考案の１実施例の回路構成図、第２
図及び第３図はともに同実施例の動作説明のため
の信号波形図、第４図乃至第６図はそれぞれ本考
案の他の実施例の回路構成図、第７図は従来例の
ブロツク図である。
１…単安定マルチバイブレータ、２，２′，２
″，２…論理ゲート。
Fig. 1 is a circuit diagram of one embodiment of the present invention;
3 and 3 are both signal waveform diagrams for explaining the operation of the same embodiment, FIGS. 4 to 6 are circuit configuration diagrams of other embodiments of the present invention, and FIG. 7 is a block diagram of the conventional example. It is. 1... Monostable multivibrator, 2, 2', 2
″, 2…Logic gate.
Claims (1)
係式を満足する時定数τを有する単安定マルチバ
イブレータと、該マルチバイブレータの出力と同
期分離後の複合同期信号との論理演算をする論理
ゲートとを備え、該論理ゲートより前記マルチバ
イブレータのトリガー入力を得るとともに水平同
期検出信号を得ることを特徴とする水平同期検出
回路。 A monostable multivibrator with a time constant τ that satisfies the relational expression H/2〈τ〈H (where H is one horizontal period), and a logical operation between the output of the multivibrator and the composite synchronous signal after synchronous separation. 1. A horizontal synchronization detection circuit, comprising: a logic gate for obtaining a trigger input for the multivibrator and a horizontal synchronization detection signal from the logic gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14397685U JPS6251866U (en) | 1985-09-19 | 1985-09-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14397685U JPS6251866U (en) | 1985-09-19 | 1985-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6251866U true JPS6251866U (en) | 1987-03-31 |
Family
ID=31054159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14397685U Pending JPS6251866U (en) | 1985-09-19 | 1985-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6251866U (en) |
-
1985
- 1985-09-19 JP JP14397685U patent/JPS6251866U/ja active Pending
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