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DE60021960D1 - Verfahren zur Kompensation von Neigung und/oder Defokussierung, und Vorrichtung für dasselbige - Google Patents

Verfahren zur Kompensation von Neigung und/oder Defokussierung, und Vorrichtung für dasselbige

Info

Publication number
DE60021960D1
DE60021960D1 DE60021960T DE60021960T DE60021960D1 DE 60021960 D1 DE60021960 D1 DE 60021960D1 DE 60021960 T DE60021960 T DE 60021960T DE 60021960 T DE60021960 T DE 60021960T DE 60021960 D1 DE60021960 D1 DE 60021960D1
Authority
DE
Germany
Prior art keywords
defocusing
compensation
inclination
same
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
Application number
DE60021960T
Other languages
English (en)
Other versions
DE60021960T2 (de
Inventor
Kyung-Geun Lee
Jung-Wan Ko
Sung-Sin Joo
In-Sik Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1019990038399A external-priority patent/KR100694023B1/ko
Priority claimed from KR1019990038398A external-priority patent/KR100694022B1/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE60021960D1 publication Critical patent/DE60021960D1/de
Application granted granted Critical
Publication of DE60021960T2 publication Critical patent/DE60021960T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • 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
    • G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE60021960T 1999-06-25 2000-06-23 Verfahren zur Kompensation von Neigung und/oder Defokussierung, und Vorrichtung für dasselbige Expired - Lifetime DE60021960T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR19990024297 1999-06-25
KR9924297 1999-06-25
KR1019990038399A KR100694023B1 (ko) 1999-09-09 1999-09-09 디포커스/틸트 보상 방법 및 그 장치
KR9938398 1999-09-09
KR1019990038398A KR100694022B1 (ko) 1999-06-25 1999-09-09 틸트 보상 방법 및 그 장치
KR9938399 1999-09-09

Publications (2)

Publication Number Publication Date
DE60021960D1 true DE60021960D1 (de) 2005-09-22
DE60021960T2 DE60021960T2 (de) 2006-03-23

Family

ID=27350004

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60021960T Expired - Lifetime DE60021960T2 (de) 1999-06-25 2000-06-23 Verfahren zur Kompensation von Neigung und/oder Defokussierung, und Vorrichtung für dasselbige

Country Status (6)

Country Link
US (2) US6940797B1 (de)
EP (1) EP1063644B1 (de)
JP (1) JP2001023174A (de)
CN (1) CN1200412C (de)
DE (1) DE60021960T2 (de)
TW (1) TW567481B (de)

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JP2001023174A (ja) * 1999-06-25 2001-01-26 Samsung Electronics Co Ltd チルト及び／または集束ずれ補償方法及びその装置
US20010015939A1 (en) * 2000-02-08 2001-08-23 Asahi Kogaku Kogyo Kabushiki Kaisha Objective lens for optical pick-up
JP2002361692A (ja) * 2001-06-12 2002-12-18 Pioneer Electronic Corp ディスク成形装置、ディスク基板製造方法
JP2003001681A (ja) * 2001-06-21 2003-01-08 Pioneer Electronic Corp ディスク基板剥離用ユニット、およびディスク製造方法
JP2003178447A (ja) * 2001-12-12 2003-06-27 Tdk Corp 光記録媒体の記録・再生方法及び光記録媒体
JP2003323717A (ja) * 2002-05-02 2003-11-14 Pioneer Electronic Corp 情報記録再生装置および情報記録方法
KR100472469B1 (ko) * 2002-08-17 2005-03-10 삼성전자주식회사 디스크 구동기에 있어서 틸트 보정 방법 및 장치
CN100446096C (zh) * 2002-09-17 2008-12-24 联发科技股份有限公司 光盘数据存取装置与光学头倾斜角度校正及调整方法
JP4205961B2 (ja) * 2003-01-28 2009-01-07 株式会社日立エルジーデータストレージ 光ディスク記録再生装置及び記録方法
KR20050052606A (ko) * 2003-11-28 2005-06-03 삼성전자주식회사 정보저장매체, 이에 기록된 정보재생방법 및 장치
JP4569306B2 (ja) * 2005-02-02 2010-10-27 船井電機株式会社 光ディスク装置及びデフォーカス調整方法
JP2007035087A (ja) * 2005-07-22 2007-02-08 Pulstec Industrial Co Ltd 光ディスクのための識別情報記録装置および識別情報記録方法
JP2009289318A (ja) * 2008-05-28 2009-12-10 Canon Inc 光学的記録再生装置
JP5311881B2 (ja) * 2008-05-28 2013-10-09 キヤノン株式会社 光学的記録再生装置
KR20100135048A (ko) * 2009-06-16 2010-12-24 삼성전자주식회사 경사 보상이 가능한 인코더, 이를 이용한 하드 디스크 드라이브 및 하드 디스크 드라이브를 위한 서보 트랙 기록 장치
JP2012069190A (ja) * 2010-09-22 2012-04-05 Sony Corp 再生装置、光路長サーボ制御方法
CN103299368B (zh) * 2011-01-07 2016-01-20 三菱电机株式会社 光盘装置、光盘以及光盘检查方法

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US4358774A (en) * 1980-07-14 1982-11-09 Discovision Associates Apparatus and method for controlling focus in a recording system
FR2546325B1 (fr) * 1983-05-20 1988-07-08 Thomson Csf Procede et dispositif de calibration de la puissance optique appliquee a un disque optique pour l'enregistrement de donnees
JPS6020326A (ja) 1983-07-14 1985-02-01 Olympus Optical Co Ltd 光学的記録装置
JPS6066341A (ja) 1983-09-20 1985-04-16 Olympus Optical Co Ltd 情報記録再生装置
JPS60132616U (ja) * 1984-02-13 1985-09-04 パイオニア株式会社 記録装置
US4637712A (en) * 1984-11-21 1987-01-20 Hasco International, Inc. System for package photoprinting
JP2528632B2 (ja) 1985-07-04 1996-08-28 松下電器産業株式会社 信号記録装置
JP2615650B2 (ja) 1987-08-17 1997-06-04 松下電器産業株式会社 光学情報記録部材の記録方法
JPS6446231U (de) 1987-09-17 1989-03-22
JP2677325B2 (ja) 1987-12-07 1997-11-17 株式会社日立製作所 情報の記録方法
JPH02230515A (ja) 1989-03-03 1990-09-12 Sony Corp 光学式記録再生装置
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JPH0414422A (ja) 1990-05-08 1992-01-20 Sekisui Chem Co Ltd 樹脂成形品の反り量制御方法
US5449590A (en) * 1991-06-04 1995-09-12 International Business Machines Corporation Multiple data surface optical data storage system
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US5838646A (en) * 1991-09-11 1998-11-17 Sony Corporation Optical disk having a protective layer of specified thickness relative to the numerical aperture of the objective lens
US5383175A (en) 1992-12-17 1995-01-17 International Business Machines Corporation Laser power control with defocusing offset during data recording
JP2857002B2 (ja) * 1993-01-07 1999-02-10 シャープ株式会社 光磁気記憶装置
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JPH0868933A (ja) * 1994-08-31 1996-03-12 Nikon Corp 自動合焦装置
US5544268A (en) * 1994-09-09 1996-08-06 Deacon Research Display panel with electrically-controlled waveguide-routing
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JP3579214B2 (ja) * 1997-06-24 2004-10-20 富士通株式会社 光学的記憶装置
KR19990031138A (ko) 1997-10-09 1999-05-06 김덕중 다파장 광픽업 장치
JPH11144279A (ja) 1997-11-05 1999-05-28 Toshiba Corp 光ディスク装置
JP3788684B2 (ja) * 1998-03-06 2006-06-21 パイオニア株式会社 波形等化器及びこれを用いたデータ再生装置
JPH11273115A (ja) * 1998-03-19 1999-10-08 Hitachi Ltd 光情報記録再生装置
US6304366B1 (en) * 1998-04-02 2001-10-16 Michael Scalora Photonic signal frequency conversion using a photonic band gap structure
KR100278786B1 (ko) * 1998-06-18 2001-01-15 구자홍 광기록매체와 광 기록/재생 방법 및 장치
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JP3600016B2 (ja) * 1998-06-12 2004-12-08 パイオニア株式会社 光学式情報記録再生装置及び光ピックアップ
JP3734621B2 (ja) * 1998-07-03 2006-01-11 株式会社リコー 光情報記録方法及びその装置
JP3076033B1 (ja) * 1998-09-14 2000-08-14 松下電器産業株式会社 光学情報の記録再生装置および情報記録媒体
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JP2001023174A (ja) * 1999-06-25 2001-01-26 Samsung Electronics Co Ltd チルト及び／または集束ずれ補償方法及びその装置

Also Published As

Publication number Publication date
US20050201226A1 (en) 2005-09-15
EP1063644B1 (de) 2005-08-17
TW567481B (en) 2003-12-21
CN1200412C (zh) 2005-05-04
DE60021960T2 (de) 2006-03-23
EP1063644A2 (de) 2000-12-27
US7379404B2 (en) 2008-05-27
CN1281215A (zh) 2001-01-24
US6940797B1 (en) 2005-09-06
EP1063644A3 (de) 2003-01-08
JP2001023174A (ja) 2001-01-26

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