JPS5877964U - Color video signal reproduction circuit - Google Patents
Color video signal reproduction circuitInfo
- Publication number
- JPS5877964U JPS5877964U JP17351581U JP17351581U JPS5877964U JP S5877964 U JPS5877964 U JP S5877964U JP 17351581 U JP17351581 U JP 17351581U JP 17351581 U JP17351581 U JP 17351581U JP S5877964 U JPS5877964 U JP S5877964U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- color video
- video signal
- reproduced
- 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
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図は従来のカラー映像信号再生回路の概略ブロック
図、第２図はパイロットバースト除去パルスの作成過程
を示す波形図、第３図は本考案の一実施例における概略
ブロック図、第４図はパイ−ロットバースト除去パルス
の作成過程を示す波形図である。
主な図番の説明、５・・・・・・位相補償回路、１１・
・・・・・パイロットバースト除去回路、１８．２６・
・・・・・ＡＰＣ回路、２５・・・・・・ＡＰＣ−ＩＤ
回路、２７．２８・・・・・・第１及び第２同期分離回
路、２９・・・・・・オア回路。
第３図Fig. 1 is a schematic block diagram of a conventional color video signal reproducing circuit, Fig. 2 is a waveform diagram showing the process of creating a pilot burst removal pulse, Fig. 3 is a schematic block diagram of an embodiment of the present invention, and Fig. 4 2 is a waveform diagram showing the process of creating a pilot burst removal pulse. FIG. Explanation of main figure numbers, 5...Phase compensation circuit, 11.
...Pilot burst removal circuit, 18.26.
...APC circuit, 25...APC-ID
circuit, 27.28...first and second synchronous separation circuit, 29...OR circuit. Figure 3
Claims (1)
り再生時のジッター補正を行なうカラー映像信号再生回
路において、再生輝度信号に対する再生色信号の位相遅
れを補償すべく該再生輝度信号を所定時間遅延せしめる
位相補償回路と、該位相補償回路に入力される再生輝度
信号から分離した水平同期信号の前縁に同期し、且つ、
少なくとも該水平同期信号よりも巾広のパルスを作成す
る回路と、該パルスにより前記再生色信号から前記パイ
ロットバーストを除去する回路とを備えるカラー映像信
号再生回路。In a color video signal reproducing circuit that performs jitter correction during reproduction using a pilot burst inserted in a horizontal synchronization signal period, a phase compensation system that delays the reproduced luminance signal by a predetermined time to compensate for the phase delay of the reproduced color signal with respect to the reproduced luminance signal. circuit, and synchronizes with the leading edge of a horizontal synchronization signal separated from the reproduced luminance signal input to the phase compensation circuit, and
A color video signal reproducing circuit comprising: a circuit for creating a pulse wider than at least the horizontal synchronizing signal; and a circuit for removing the pilot burst from the reproduced color signal using the pulse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17351581U JPS5877964U (en) | 1981-11-20 | 1981-11-20 | Color video signal reproduction circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17351581U JPS5877964U (en) | 1981-11-20 | 1981-11-20 | Color video signal reproduction circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5877964U true JPS5877964U (en) | 1983-05-26 |
| JPS636950Y2 JPS636950Y2 (en) | 1988-02-27 |
Family
ID=29965380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17351581U Granted JPS5877964U (en) | 1981-11-20 | 1981-11-20 | Color video signal reproduction circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5877964U (en) |
-
1981
- 1981-11-20 JP JP17351581U patent/JPS5877964U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS636950Y2 (en) | 1988-02-27 |
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