JP2000113474A5 - Track jump control device and track jump control method - Google Patents
Track jump control device and track jump control method Download PDFInfo
- Publication number
- JP2000113474A5 JP2000113474A5 JP1998282941A JP28294198A JP2000113474A5 JP 2000113474 A5 JP2000113474 A5 JP 2000113474A5 JP 1998282941 A JP1998282941 A JP 1998282941A JP 28294198 A JP28294198 A JP 28294198A JP 2000113474 A5 JP2000113474 A5 JP 2000113474A5
- Authority
- JP
- Japan
- Prior art keywords
- signal
- track
- jump control
- track jump
- control device
- 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
- 230000003287 optical Effects 0.000 claims description 19
Description
【０００１】
【発明の属する技術分野】
本発明はトラックジャンプ制御装置及びトラックジャンプ制御方法に関し、さらに詳しくは、光ディスク上で現在トレースしているトラックから隣接するトラックへ光ビームをジャンプさせるトラックジャンプ制御装置及びトラックジャンプ制御方法に関する。
[0001]
[Technical field to which the invention belongs]
The present invention relates to a track jump control device and a track jump control method , and more particularly to a track jump control device and a track jump control method for jumping an optical beam from a track currently being traced on an optical disc to an adjacent track.
【０００６】
【発明が解決しようとする課題】
本発明は、面振れや反りなどの光ディスクの状態や、光ピックアップの構造によらず、精度よく高速にトラックジャンプを行うことが可能なトラックジャンプ制御装置及びトラックジャンプ制御方法を提供することを課題とする。
0006
[Problems to be Solved by the Invention]
An object of the present invention is to provide a track jump control device and a track jump control method capable of performing track jumps accurately and at high speed regardless of the state of the optical disk such as surface runout and warpage and the structure of an optical pickup. And.
Claims (7)
前記光ビームを移動させるため
キック信号及びブレーキ信号を発生する信号発生部を有し、
前記光ディスクから検出されるトラッキングエラー信号に基づき
前記ブレーキ信号の大きさを変えること
を特徴とするトラックジャンプ制御装置。In a track jump control device that jumps the light beam to an adjacent track from a state in which the optical beam follows the track of the optical disc,
A signal generator for generating a kick signal and a brake signal for moving the light beam;
A track jump control device, wherein the magnitude of the brake signal is changed based on a tracking error signal detected from the optical disc.
前記キック信号の大きさを変えること
を特徴とする請求項１に記載のトラックジャンプ制御装置。The track jump control device according to claim 1, wherein the magnitude of the kick signal is changed based on a tracking error signal detected from the optical disc.
前記光ビームを移動させるため
キック信号及びブレーキ信号を発生する信号発生部を有し、
前記ブレーキ信号を供給開始から所定時間後に
前記ブレーキ信号の大きさを変えること
を特徴とするトラックジャンプ制御装置。In a track jump control device that jumps the light beam to an adjacent track from a state in which the optical beam follows the track of the optical disc,
A signal generator for generating a kick signal and a brake signal for moving the light beam;
A track jump control device characterized by changing the magnitude of the brake signal after a predetermined time from the start of supply of the brake signal.
前記キック信号の大きさを変えること
を特徴とする請求項３に記載のトラックジャンプ制御装置。The track jump control device according to claim 3, wherein the magnitude of the kick signal is changed after a predetermined time from the start of supply of the kick signal.
前記光ビームを移動させるため
キック信号及びブレーキ信号を発生する信号発生部を有し、
前記光ディスクから検出されるトラッキングエラー信号の単位時間あたりの変化量に基づき
前記キック信号及び前記ブレーキ信号を変化させること
を特徴とするトラックジャンプ制御装置。In a track jump control device that jumps the light beam to an adjacent track from a state in which the optical beam follows the track of the optical disc,
A signal generator for generating a kick signal and a brake signal for moving the light beam;
A track jump control device, wherein the kick signal and the brake signal are changed based on a change amount per unit time of a tracking error signal detected from the optical disc.
前記光ビームを移動させるため
キック信号及びブレーキ信号を発生する信号発生部を有し、
前記光ディスクから検出されるトラッキングエラー信号と
前記トラッキングエラー信号の目標値とを
比較演算した結果に基づき
前記キック信号及び前記ブレーキ信号を変化させること
を特徴とするトラックジャンプ制御装置。In a track jump control device that jumps the light beam to an adjacent track from a state in which the optical beam follows the track of the optical disc,
A signal generator for generating a kick signal and a brake signal for moving the light beam;
A track jump control device, wherein the kick signal and the brake signal are changed based on a result of comparison operation between a tracking error signal detected from the optical disc and a target value of the tracking error signal.
前記光ビームを移動させるためTo move the light beam
キック信号及びブレーキ信号を発生し、Generate a kick signal and a brake signal,
前記光ディスクから検出されるトラッキングエラー信号に基づきBased on a tracking error signal detected from the optical disc
前記ブレーキ信号の大きさを変えることChanging the magnitude of the brake signal
を特徴とするトラックジャンプ制御方法。A track jump control method characterized by the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10282941A JP2000113474A (en) | 1998-10-05 | 1998-10-05 | Track jump controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10282941A JP2000113474A (en) | 1998-10-05 | 1998-10-05 | Track jump controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000113474A JP2000113474A (en) | 2000-04-21 |
| JP2000113474A5 true JP2000113474A5 (en) | 2005-10-27 |
Family
ID=17659104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10282941A Pending JP2000113474A (en) | 1998-10-05 | 1998-10-05 | Track jump controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000113474A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100382735B1 (en) * | 2001-02-28 | 2003-05-09 | 삼성전자주식회사 | Lens brake driving device for reducing access time |
| KR100425465B1 (en) * | 2001-09-27 | 2004-03-30 | 삼성전자주식회사 | Brake signal generating circuit for improving ability for lens brake in optical disk reproducing system and method thereof |
-
1998
- 1998-10-05 JP JP10282941A patent/JP2000113474A/en active Pending
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