JPH0397285U - - Google Patents
Info
- Publication number
- JPH0397285U JPH0397285U JP559690U JP559690U JPH0397285U JP H0397285 U JPH0397285 U JP H0397285U JP 559690 U JP559690 U JP 559690U JP 559690 U JP559690 U JP 559690U JP H0397285 U JPH0397285 U JP H0397285U
- Authority
- JP
- Japan
- Prior art keywords
- synchronization signal
- pseudo
- synchronization
- section
- 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.)
- Granted
Links
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Synchronizing For Television (AREA)
Description
第１図は本考案の原理構成を示す図、第２図は
本考案の実施例に係るビデオ信号処理装置を示す
図、第３図は本考案に係る実施例である同期信号
安定化部の構成を示す図、第４図は第３図の擬似
同期信号発生部の構成の一例を示す図、第５図は
第３図の同期信号切換部の構成の一例を示す図、
第６図は第３図の同期化安定部の動作を示すタイ
ムチヤート、第７図は従来の水平偏光回路を示す
図である。
図において、１……同期ウインド生成部、２…
…擬似同期信号発生部、３……同期信号切換部。
FIG. 1 is a diagram showing the principle configuration of the present invention, FIG. 2 is a diagram showing a video signal processing device according to an embodiment of the present invention, and FIG. 3 is a diagram showing a synchronization signal stabilizing section according to an embodiment of the present invention. FIG. 4 is a diagram showing an example of the configuration of the pseudo synchronization signal generating section in FIG. 3; FIG. 5 is a diagram showing an example of the configuration of the synchronization signal switching section in FIG. 3;
FIG. 6 is a time chart showing the operation of the synchronization stabilizing section shown in FIG. 3, and FIG. 7 is a diagram showing a conventional horizontal polarization circuit. In the figure, 1... synchronous window generation unit, 2...
...Pseudo synchronization signal generation section, 3...Synchronization signal switching section.
Claims (1)
理するビデオ信号装置において、 正規の同期信号Ｖｉを基準として一定幅のパル
ス状の窓を発生する同期ウインド生成部１と、 前記同期ウインド生成部１で発生したパルスの
終縁部の変化で擬似同期信号Ｖｉ′を発生する擬
似同期信号発生部２と、 前記パルス幅に前記同期信号Ｖｉが現われない
ときには該擬似同期信号発生部２からの擬似同期
信号を出力する同期信号切換部３とを備えること
を特徴とするビデオ信号処理装置。[Claims for Utility Model Registration] In a video signal device that processes a synchronization signal V i separated from a composite video signal, there is provided a synchronization window generation unit 1 that generates a pulse-like window with a constant width using a regular synchronization signal V i as a reference. and a pseudo synchronization signal generating section 2 that generates a pseudo synchronization signal V i ' based on a change in the terminal edge of the pulse generated by the synchronization window generation section 1; A video signal processing device comprising: a synchronization signal switching section 3 that outputs a pseudo synchronization signal from a pseudo synchronization signal generation section 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP559690U JP2586639Y2 (en) | 1990-01-26 | 1990-01-26 | Video signal processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP559690U JP2586639Y2 (en) | 1990-01-26 | 1990-01-26 | Video signal processing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0397285U true JPH0397285U (en) | 1991-10-07 |
| JP2586639Y2 JP2586639Y2 (en) | 1998-12-09 |
Family
ID=31509295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP559690U Expired - Lifetime JP2586639Y2 (en) | 1990-01-26 | 1990-01-26 | Video signal processing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2586639Y2 (en) |
-
1990
- 1990-01-26 JP JP559690U patent/JP2586639Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2586639Y2 (en) | 1998-12-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |