JPS62146377U - - Google Patents
Info
- Publication number
- JPS62146377U JPS62146377U JP3322586U JP3322586U JPS62146377U JP S62146377 U JPS62146377 U JP S62146377U JP 3322586 U JP3322586 U JP 3322586U JP 3322586 U JP3322586 U JP 3322586U JP S62146377 U JPS62146377 U JP S62146377U
- Authority
- JP
- Japan
- Prior art keywords
- time axis
- signal
- axis error
- recording disk
- information 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
- 238000010586 diagram Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Description
第１図は本考案装置の一実施例を示すブロツク
図系統図、第２図は第１図図示のブロツク系統の
動作説明図、第３図はビデオデイスクにおける偏
芯量についての説明図である。
１……情報信号記録円盤（ビデオデイスク）、
２……再生針（センサー）、４……永久磁石、７
……ジツタ補正コイル、１１……復調回路、１３
……バースト分離回路、１４……位相比較器、１
５……信号発生器（ＳＳＧ）、１７……ミユーテ
イング回路、２０……マイクロコンピユータ。
Fig. 1 is a block diagram showing an embodiment of the device of the present invention, Fig. 2 is an explanatory diagram of the operation of the block system shown in Fig. 1, and Fig. 3 is an explanatory diagram of the amount of eccentricity in a video disc. . 1...Information signal recording disk (video disk),
2... Regeneration needle (sensor), 4... Permanent magnet, 7
... Jitter correction coil, 11 ... Demodulation circuit, 13
... Burst separation circuit, 14 ... Phase comparator, 1
5... Signal generator (SSG), 17... Muting circuit, 20... Microcomputer.
Claims (1)
中に含まれる時間軸誤差を、該再生映像信号から
分離したカラーバースト信号と別途生成した基準
信号とを夫々位相比較することにより検出し、該
検出した時間軸誤差を示す信号に基づいて、再生
素子を前記情報信号記録円盤上のトラツクの接線
方向に変位せしめるか、又は復調前の再生信号の
遅延時間を可変制御することにより前記時間軸誤
差を低減する時間軸誤差補正装置において、 前記情報信号記録円盤の半径方向上を学情報信
号記録円盤の既記録信号を再生しながら、トラツ
キングサーボ回路の動作を停止せしめて通常再生
時よりも高速で前記再生素子を移送するサーチ時
にも、前記時間軸誤差の検出と、該検出した時間
軸誤差を示す信号に基づく前記再生素子のトラツ
ク接線方向の変位動作、又は再生信号の遅延時間
の可変制御動作とを各々行なう手段を設けてなる
時間軸誤差補正装置。[Claim for Utility Model Registration] The time axis error included in the reproduced video signal of the information signal recording disk during normal reproduction is compared in phase with a color burst signal separated from the reproduced video signal and a separately generated reference signal, respectively. Based on the signal indicating the detected time axis error, the reproducing element is displaced in the tangential direction of the track on the information signal recording disk, or the delay time of the reproduced signal before demodulation is variably controlled. In the time axis error correction device for reducing the time axis error by: stopping the operation of the tracking servo circuit while reproducing the recorded signal of the academic information signal recording disk in the radial direction of the information signal recording disk; Also during a search in which the reproducing element is moved at a higher speed than during normal reproduction, the time axis error is detected, and the reproducing element is displaced in the track tangential direction based on the signal indicating the detected time axis error, or the reproduction signal is A time axis error correction device comprising means for performing variable delay time control operations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3322586U JPH0619264Y2 (en) | 1986-03-10 | 1986-03-10 | Time axis error correction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3322586U JPH0619264Y2 (en) | 1986-03-10 | 1986-03-10 | Time axis error correction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62146377U true JPS62146377U (en) | 1987-09-16 |
| JPH0619264Y2 JPH0619264Y2 (en) | 1994-05-18 |
Family
ID=30840638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3322586U Expired - Lifetime JPH0619264Y2 (en) | 1986-03-10 | 1986-03-10 | Time axis error correction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0619264Y2 (en) |
-
1986
- 1986-03-10 JP JP3322586U patent/JPH0619264Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0619264Y2 (en) | 1994-05-18 |
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