JPS63191788U - - Google Patents
Info
- Publication number
- JPS63191788U JPS63191788U JP7883387U JP7883387U JPS63191788U JP S63191788 U JPS63191788 U JP S63191788U JP 7883387 U JP7883387 U JP 7883387U JP 7883387 U JP7883387 U JP 7883387U JP S63191788 U JPS63191788 U JP S63191788U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- pulse
- time axis
- synchronization signal
- axis fluctuation
- 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
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の一実施例の時間軸変動補正装
置の構成図、第２図は第１図の波形図、第３図は
従来の時間軸変動補正装置の概略図、第４図は本
考案の別の実施例の時間軸変動補正装置の構成図
である。
８……セルフゲート回路、９……第１モノマル
チ、１０……論理積回路、１１……第２モノマル
チ、１２……スイツチ回路、１８……位相比較器
。
FIG. 1 is a block diagram of a time axis fluctuation correction device according to an embodiment of the present invention, FIG. 2 is a waveform diagram of FIG. 1, FIG. 3 is a schematic diagram of a conventional time axis fluctuation correction device, and FIG. FIG. 3 is a configuration diagram of a time axis fluctuation correction device according to another embodiment of the present invention. 8... Self-gate circuit, 9... First mono multi, 10... AND circuit, 11... Second mono multi, 12... Switch circuit, 18... Phase comparator.
Claims (1)
信号もしくはバースト信号を位相比較器に入力し
て、時間軸変動を検知する時間軸変動補正装置に
おいて、前記同期信号で起動し、該同期信号の規
定パルス幅よりも狭いパルス幅を有するパルス信
号を発生する手段と、該パルス信号と前記同期信
号との論理積を得る手段と、該論理積の出力信号
によつて、前記位相比較器をホールドせしめる手
段とを設けたことを特徴とする時間軸変動補正装
置。 In a time axis fluctuation correction device that detects time axis fluctuation by inputting a synchronization signal or a burst signal separated from a reproduced video signal from a recording medium to a phase comparator, the device is activated by the synchronization signal and detects the specified pulse of the synchronization signal. means for generating a pulse signal having a pulse width narrower than the pulse width, means for obtaining an AND of the pulse signal and the synchronization signal, and means for holding the phase comparator by the output signal of the AND. A time axis fluctuation correction device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7883387U JPS63191788U (en) | 1987-05-27 | 1987-05-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7883387U JPS63191788U (en) | 1987-05-27 | 1987-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63191788U true JPS63191788U (en) | 1988-12-09 |
Family
ID=30928140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7883387U Pending JPS63191788U (en) | 1987-05-27 | 1987-05-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63191788U (en) |
-
1987
- 1987-05-27 JP JP7883387U patent/JPS63191788U/ja active Pending