JPS5876280U - PAL color VTR special playback circuit - Google Patents
PAL color VTR special playback circuitInfo
- Publication number
- JPS5876280U JPS5876280U JP17151581U JP17151581U JPS5876280U JP S5876280 U JPS5876280 U JP S5876280U JP 17151581 U JP17151581 U JP 17151581U JP 17151581 U JP17151581 U JP 17151581U JP S5876280 U JPS5876280 U JP S5876280U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- color
- output
- color 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
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ＰＡＬカラー信号の模式的記録パターン図、第
２図は従来の色順序補正回路のブロック図、第３図は第
２図の位相関係説明図、第４図は本考案の一実施例を示
す回路ブロック図、第５図は第４図の波形説明図をそれ
ぞれ顕わす。
主な図番の説明、１・・・ＩＨ遅延回路、６・・・減算
回路、４・・・パーストゲート、５・・・位相比較回路
、７・・・２値回路（リトリガラブルモノマルチ）、２
・・・切換回路。Fig. 1 is a schematic recording pattern diagram of a PAL color signal, Fig. 2 is a block diagram of a conventional color order correction circuit, Fig. 3 is a diagram explaining the phase relationship of Fig. 2, and Fig. 4 is an implementation of the present invention. A circuit block diagram showing an example, FIG. 5, shows the waveform explanatory diagram of FIG. 4, respectively. Explanation of main figure numbers, 1... IH delay circuit, 6... Subtraction circuit, 4... Burst gate, 5... Phase comparison circuit, 7... Binary circuit (retriggerable mono multi ), 2
...Switching circuit.
Claims (1)
幅方向に関して逆相となる様にＨアライメント記録され
たＰＡＬカラー映像信号の記録パターンを記録時とテー
プ速度を異にして特殊再生するＰＡＬカラーＶＴＲに、 再生カラー信号を遅延してＩＨ遅延カラー信号を導出す
るＩＨ遅延回路と、前記再生カラー信号と前記ＩＨ遅延
カラー信号とを入力とする減算回路と、該減算回路の出
力よりバースト信号の減算出力を分離するパーストゲー
ト回路と、該ゲート出力と参照信号とを２Ｈ毎に位相比
較する位相比較回路と、該比較出力を入力して２値出力
を切換える２値回路と、前記再生カラー信号と前記ＩＨ
遅延カラー信号とを信号入力とし前記２値出力を制御入
力とする切換回路とより成る色順序補正回路を設けたこ
とを特徴とするＰＡＬカラーＶＴＲの特殊再生回路。[Claim for Utility Model Registration] A recording pattern of a PAL color video signal recorded in H alignment so that alternating modulated color carriers have opposite phases in the width direction of the same azimuth track is recorded at a different tape speed than when recording. A PAL color VTR that performs special reproduction includes an IH delay circuit that delays a reproduced color signal to derive an IH delayed color signal, a subtraction circuit that inputs the reproduced color signal and the IH delayed color signal, and the subtraction circuit. A burst gate circuit that separates the burst signal subtraction output from the output, a phase comparison circuit that compares the phase of the gate output and a reference signal every 2H, and a binary circuit that inputs the comparison output and switches between binary outputs. , the reproduced color signal and the IH
1. A special reproduction circuit for a PAL color VTR, comprising a color order correction circuit comprising a switching circuit having a delayed color signal as a signal input and the binary output as a control input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17151581U JPS5876280U (en) | 1981-11-17 | 1981-11-17 | PAL color VTR special playback circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17151581U JPS5876280U (en) | 1981-11-17 | 1981-11-17 | PAL color VTR special playback circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5876280U true JPS5876280U (en) | 1983-05-23 |
| JPH0127344Y2 JPH0127344Y2 (en) | 1989-08-15 |
Family
ID=29963434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17151581U Granted JPS5876280U (en) | 1981-11-17 | 1981-11-17 | PAL color VTR special playback circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5876280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60132494A (en) * | 1983-12-21 | 1985-07-15 | Sony Corp | Processor of pal carrier chrominance signal |
-
1981
- 1981-11-17 JP JP17151581U patent/JPS5876280U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60132494A (en) * | 1983-12-21 | 1985-07-15 | Sony Corp | Processor of pal carrier chrominance signal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0127344Y2 (en) | 1989-08-15 |
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