DE69702799D1 - Vorrichtung und Verfahren zur Spurverfolgung - Google Patents
Vorrichtung und Verfahren zur SpurverfolgungInfo
- Publication number
- DE69702799D1 DE69702799D1 DE69702799T DE69702799T DE69702799D1 DE 69702799 D1 DE69702799 D1 DE 69702799D1 DE 69702799 T DE69702799 T DE 69702799T DE 69702799 T DE69702799 T DE 69702799T DE 69702799 D1 DE69702799 D1 DE 69702799D1
- Authority
- DE
- Germany
- Prior art keywords
- output
- detector
- error signal
- periodic function
- outputs
- 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 - Lifetime
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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/13—Optical detectors therefor
- G11B7/133—Shape of individual detector elements
-
- 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
-
- 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
-
- 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
- G11B7/0908—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 focusing 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
- G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
-
- 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
- G11B7/0948—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 specially adapted for detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
-
- 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
Landscapes
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- Optical Recording Or Reproduction (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Control Of Eletrric Generators (AREA)
- Lasers (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Recrystallisation Techniques (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Optical Head (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Paper (AREA)
- Tires In General (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/625,273 US5689485A (en) | 1996-04-01 | 1996-04-01 | Tracking control apparatus and method |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69702799D1 true DE69702799D1 (de) | 2000-09-21 |
DE69702799T2 DE69702799T2 (de) | 2001-02-01 |
Family
ID=24505325
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69702799T Expired - Lifetime DE69702799T2 (de) | 1996-04-01 | 1997-03-19 | Vorrichtung und Verfahren zur Spurverfolgung |
DE69713316T Expired - Lifetime DE69713316T4 (de) | 1996-04-01 | 1997-03-24 | Servobetrieb für spurverfolgung mit geschlossener regelschleife |
DE69713316A Expired - Lifetime DE69713316D1 (de) | 1996-04-01 | 1997-03-24 | Servobetrieb für spurverfolgung mit geschlossener regelschleife |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69713316T Expired - Lifetime DE69713316T4 (de) | 1996-04-01 | 1997-03-24 | Servobetrieb für spurverfolgung mit geschlossener regelschleife |
DE69713316A Expired - Lifetime DE69713316D1 (de) | 1996-04-01 | 1997-03-24 | Servobetrieb für spurverfolgung mit geschlossener regelschleife |
Country Status (20)
Country | Link |
---|---|
US (3) | US5689485A (de) |
EP (2) | EP0800166B1 (de) |
JP (2) | JP3239293B2 (de) |
KR (1) | KR100306541B1 (de) |
CN (2) | CN1099669C (de) |
AT (2) | ATE195606T1 (de) |
AU (2) | AU722720B2 (de) |
BR (2) | BR9708479B1 (de) |
CA (2) | CA2200286C (de) |
DE (3) | DE69702799T2 (de) |
DK (1) | DK0800166T3 (de) |
ES (1) | ES2118687T3 (de) |
HK (1) | HK1003679A1 (de) |
ID (1) | ID16516A (de) |
IL (1) | IL126392A (de) |
MY (1) | MY119172A (de) |
NO (1) | NO316555B1 (de) |
PT (1) | PT800166E (de) |
SG (1) | SG47213A1 (de) |
WO (1) | WO1997037347A1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5689485A (en) | 1996-04-01 | 1997-11-18 | Discovision Associates | Tracking control apparatus and method |
DE69933251T2 (de) * | 1998-02-13 | 2007-05-16 | Yamaha Corp., Hamamatsu | Aufzeichnungstechnik für optische Platten zur Bildung von genau spurzentrierten Pits und Servoabgleicheinstellungstechnik zur Aufzeichnung auf optischen Platten |
JP2000113614A (ja) * | 1998-10-09 | 2000-04-21 | Sony Corp | ドライブ装置、定速移動サーボ方法 |
DE19930513A1 (de) * | 1999-07-05 | 2001-01-11 | Thomson Brandt Gmbh | Gerät zum Abtasten optischer Aufzeichnungsträger |
US6744711B1 (en) * | 2000-06-20 | 2004-06-01 | Discovision Associates | Method and apparatus for a high-speed search of an optical medium |
JP2002203324A (ja) * | 2000-10-25 | 2002-07-19 | Sony Computer Entertainment Inc | フォーカス制御装置、フォーカス制御方法 |
US7522480B2 (en) | 2001-01-25 | 2009-04-21 | Dphi Acquisitions, Inc. | Digital tracking servo system with multi-track seek with an acceleration clamp |
US7113360B2 (en) * | 2002-06-28 | 2006-09-26 | Seagate Technology Llc | Manufacture of concentric patterns from spiral source |
KR100498455B1 (ko) * | 2002-11-07 | 2005-07-01 | 삼성전자주식회사 | 서보 시스템의 루프이득을 제어하기 위한 장치 및 방법 |
US7450483B2 (en) * | 2003-04-28 | 2008-11-11 | Panasonic Corporation | Information carrier apparatus and information carrier eccentricity correction method |
KR20060006968A (ko) * | 2003-05-16 | 2006-01-20 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 확장된 초점 제어 |
JP2008501207A (ja) * | 2004-06-01 | 2008-01-17 | 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 | 光記憶システムにおける径方向のクロストークキャンセル方法及び装置 |
CN1985314A (zh) * | 2004-07-14 | 2007-06-20 | 皇家飞利浦电子股份有限公司 | 改进的跟踪误差信号校准方法以及实现该方法的盘驱动器 |
ATE418781T1 (de) * | 2004-07-14 | 2009-01-15 | Koninkl Philips Electronics Nv | Verbessertes kalibrierverfahren für spurfolgefehlersignale und plattenlaufwerk mit derartigem implementiertem verfahren |
JP4256353B2 (ja) * | 2005-02-17 | 2009-04-22 | ファナック株式会社 | サーボ制御装置及びサーボ系の調整方法 |
EP1804100B1 (de) * | 2005-12-30 | 2018-02-21 | Datalogic IP TECH S.r.l. | Verfahren und Vorrichtung zur Fokussierung eines Laserstrahls |
JP2009069041A (ja) * | 2007-09-14 | 2009-04-02 | Fujinon Corp | 光ピックアップ用波面測定装置 |
CN115047215B (zh) * | 2022-02-18 | 2023-03-21 | 太原理工大学 | 三轴振动加速度信号耦合修正检测系统及方法 |
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1996
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-
1997
- 1997-03-11 NO NO971114A patent/NO316555B1/no not_active IP Right Cessation
- 1997-03-12 SG SG1997000709A patent/SG47213A1/en unknown
- 1997-03-18 CA CA002200286A patent/CA2200286C/en not_active Expired - Lifetime
- 1997-03-19 AT AT97104720T patent/ATE195606T1/de active
- 1997-03-19 PT PT97104720T patent/PT800166E/pt unknown
- 1997-03-19 DK DK97104720T patent/DK0800166T3/da active
- 1997-03-19 EP EP97104720A patent/EP0800166B1/de not_active Expired - Lifetime
- 1997-03-19 DE DE69702799T patent/DE69702799T2/de not_active Expired - Lifetime
- 1997-03-19 ES ES97104720T patent/ES2118687T3/es not_active Expired - Lifetime
- 1997-03-19 JP JP10654097A patent/JP3239293B2/ja not_active Expired - Lifetime
- 1997-03-24 WO PCT/US1997/004731 patent/WO1997037347A1/en active IP Right Grant
- 1997-03-24 BR BRPI9708479-4A patent/BR9708479B1/pt not_active IP Right Cessation
- 1997-03-24 EP EP97916953A patent/EP0892975B1/de not_active Expired - Lifetime
- 1997-03-24 JP JP53535097A patent/JP4028599B2/ja not_active Expired - Lifetime
- 1997-03-24 CA CA002244961A patent/CA2244961C/en not_active Expired - Fee Related
- 1997-03-24 IL IL12639297A patent/IL126392A/en not_active IP Right Cessation
- 1997-03-24 CN CN97192970A patent/CN1099669C/zh not_active Expired - Lifetime
- 1997-03-24 AU AU25435/97A patent/AU722720B2/en not_active Ceased
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- 1997-03-24 AU AU16483/97A patent/AU688234B2/en not_active Expired
- 1997-03-31 KR KR1019970011624A patent/KR100306541B1/ko active IP Right Grant
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- 1998-05-29 US US09/088,106 patent/US6134199A/en not_active Expired - Lifetime
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