DE68909546T2 - Tracking-Servoregelsystem. - Google Patents
Tracking-Servoregelsystem.Info
- Publication number
- DE68909546T2 DE68909546T2 DE89306859T DE68909546T DE68909546T2 DE 68909546 T2 DE68909546 T2 DE 68909546T2 DE 89306859 T DE89306859 T DE 89306859T DE 68909546 T DE68909546 T DE 68909546T DE 68909546 T2 DE68909546 T2 DE 68909546T2
- Authority
- DE
- Germany
- Prior art keywords
- control system
- servo control
- tracking servo
- tracking
- servo
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
- G11B7/0903—Multi-beam tracking systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S358/00—Facsimile and static presentation processing
- Y10S358/907—Track skippers, i.e. "groove skippers"
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63229329A JPH0782722B2 (ja) | 1988-09-13 | 1988-09-13 | トラッキングサーボ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68909546D1 DE68909546D1 (de) | 1993-11-04 |
DE68909546T2 true DE68909546T2 (de) | 1994-03-10 |
Family
ID=16890444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89306859T Expired - Fee Related DE68909546T2 (de) | 1988-09-13 | 1989-07-06 | Tracking-Servoregelsystem. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5056074A (de) |
EP (1) | EP0359368B1 (de) |
JP (1) | JPH0782722B2 (de) |
DE (1) | DE68909546T2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0453223B1 (de) * | 1990-04-17 | 1997-09-10 | Canon Kabushiki Kaisha | Automatisches Regelkreisverstärkungsgerät |
JPH0460974A (ja) * | 1990-06-26 | 1992-02-26 | Pioneer Electron Corp | トラッキングサーボ装置 |
JPH0479035A (ja) * | 1990-07-20 | 1992-03-12 | Pioneer Electron Corp | トラッキングサーボ装置 |
JP2539539B2 (ja) * | 1990-09-18 | 1996-10-02 | 株式会社日立製作所 | 光情報記憶装置 |
JPH04368637A (ja) * | 1991-06-17 | 1992-12-21 | Sony Corp | サーボ回路 |
KR100272118B1 (ko) * | 1991-11-06 | 2000-11-15 | 이데이 노부유끼 | 디지탈 서보 제어 회로를 구비한 광디스크 플레이어 및 트래킹 서보 회로 |
JPH0652556A (ja) * | 1992-07-29 | 1994-02-25 | Mitsumi Electric Co Ltd | 光ディスク装置のピックアップ駆動方式 |
JPH0814868A (ja) * | 1994-06-27 | 1996-01-19 | Sony Corp | 円盤状記録媒体表面検査装置 |
JP2002538570A (ja) | 1999-02-22 | 2002-11-12 | シーゲイト テクノロジー エルエルシー | 再現性ランアウト・エラーの補償 |
JP2002544639A (ja) | 1999-05-07 | 2002-12-24 | シーゲイト テクノロジー エルエルシー | ディスク記憶システムにおいて繰り返し学習制御装置を使用した反復性ランアウト補償 |
US6437936B1 (en) | 1999-07-23 | 2002-08-20 | Seagate Technology Llc | Repeatable runout compensation using a learning algorithm with scheduled parameters |
US6952320B1 (en) | 1999-12-16 | 2005-10-04 | Seagate Technology Llc | Virtual tracks for repeatable runout compensation |
KR20030029931A (ko) * | 2001-07-09 | 2003-04-16 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 기록제어방법 |
JP2006092615A (ja) * | 2004-09-22 | 2006-04-06 | Sony Corp | ディスク駆動装置および方法、記録媒体、並びにプログラム |
JP2009509284A (ja) * | 2005-09-22 | 2009-03-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 光ディスクシステムでの,3スポットプッシュプルトラッキングエラー信号中のクロストークのキャンセル |
CN101461000A (zh) * | 2006-06-01 | 2009-06-17 | 皇家飞利浦电子股份有限公司 | 用于减少径向跟踪伺服系统中噪声的方法 |
CN112462599B (zh) * | 2020-11-30 | 2022-02-25 | 东北大学 | 一种高性能pid控制参数整定方法、装置及系统 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0095766B1 (de) * | 1982-05-31 | 1986-10-22 | Hitachi, Ltd. | Servoschaltung für ein Gerät zur Wiedergabe von Signalen |
JPH0679420B2 (ja) * | 1986-06-06 | 1994-10-05 | パイオニア株式会社 | トラツキングサ−ボ装置 |
-
1988
- 1988-09-13 JP JP63229329A patent/JPH0782722B2/ja not_active Expired - Fee Related
-
1989
- 1989-04-07 US US07/334,443 patent/US5056074A/en not_active Expired - Lifetime
- 1989-07-06 DE DE89306859T patent/DE68909546T2/de not_active Expired - Fee Related
- 1989-07-06 EP EP89306859A patent/EP0359368B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0276175A (ja) | 1990-03-15 |
US5056074A (en) | 1991-10-08 |
JPH0782722B2 (ja) | 1995-09-06 |
EP0359368B1 (de) | 1993-09-29 |
DE68909546D1 (de) | 1993-11-04 |
EP0359368A1 (de) | 1990-03-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |