JPH0266088U - - Google Patents
Info
- Publication number
- JPH0266088U JPH0266088U JP14504688U JP14504688U JPH0266088U JP H0266088 U JPH0266088 U JP H0266088U JP 14504688 U JP14504688 U JP 14504688U JP 14504688 U JP14504688 U JP 14504688U JP H0266088 U JPH0266088 U JP H0266088U
- Authority
- JP
- Japan
- Prior art keywords
- pseudo
- changeover switch
- synchronization signal
- reproduced video
- video 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
- 230000037431 insertion Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Television Signal Processing For Recording (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は動作説明のための波形図である。
３……同期分離、４……ＡＦＣ回路、５……第
１切換スイツチ、６……擬似ＨＤ挿入パルス作成
、７……第２切換スイツチ、８……バーストゲー
トパルス作成、１０……擬似ＶＤ挿入パルス作成
、１２……第３切換スイツチ。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a waveform diagram for explaining the operation. 3... Synchronous separation, 4... AFC circuit, 5... First changeover switch, 6... Pseudo HD insertion pulse creation, 7... Second changeover switch, 8... Burst gate pulse creation, 10... Pseudo VD Insertion pulse creation, 12...Third changeover switch.
Claims (1)
する手段と、基準信号に基づき前記再生映像信号
の垂直同期信号を含む前後の映像に関係のない期
間を示す擬似水平同期信号挿入パルス、バースト
ゲートパル及び擬似垂直同期信号挿入パルスの作
成手段と、前記擬似水平同期信号挿入パルスに基
づき前記再生映像信号に代えて前記擬似水平同期
信号を選択する第１切換スイツチと、前記バース
トゲートパルスに基づき前記第１切換スイツチ出
力に代えて前記再生映像信号を選択する第２切換
スイツチと、前記擬似垂直同期信号挿入パルスに
基づいて前記第２切換スイツチ出力に代えて擬似
垂直同期信号レベルを選択する第３切換スイツチ
を備えてなるスキユー防止回路。 means for creating a pseudo-horizontal synchronization signal based on a reproduced video signal; pseudo-horizontal synchronization signal insertion pulses, burst gate pulses, and means for creating a pseudo vertical synchronizing signal insertion pulse; a first changeover switch for selecting the pseudo horizontal synchronizing signal in place of the reproduced video signal based on the pseudo horizontal synchronizing signal insertion pulse; a second changeover switch that selects the reproduced video signal instead of the changeover switch output; and a third changeover switch that selects the pseudo vertical synchronization signal level instead of the second changeover switch output based on the pseudo vertical synchronization signal insertion pulse. The skew prevention circuit is equipped with a skew prevention circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14504688U JPH0266088U (en) | 1988-11-07 | 1988-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14504688U JPH0266088U (en) | 1988-11-07 | 1988-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0266088U true JPH0266088U (en) | 1990-05-18 |
Family
ID=31413293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14504688U Pending JPH0266088U (en) | 1988-11-07 | 1988-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0266088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4796571B2 (en) * | 2005-03-25 | 2011-10-19 | 株式会社クラレ | Chemical lace base fabric and method for producing the same |
-
1988
- 1988-11-07 JP JP14504688U patent/JPH0266088U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4796571B2 (en) * | 2005-03-25 | 2011-10-19 | 株式会社クラレ | Chemical lace base fabric and method for producing the same |