DE60026706D1 - Aufzeichnungs- und/oder wiedergabevorrichtung für optische platten und fokussierservosystem - Google Patents

Aufzeichnungs- und/oder wiedergabevorrichtung für optische platten und fokussierservosystem

Info

Publication number
DE60026706D1
DE60026706D1 DE60026706T DE60026706T DE60026706D1 DE 60026706 D1 DE60026706 D1 DE 60026706D1 DE 60026706 T DE60026706 T DE 60026706T DE 60026706 T DE60026706 T DE 60026706T DE 60026706 D1 DE60026706 D1 DE 60026706D1
Authority
DE
Germany
Prior art keywords
recording
optical disc
sensor system
playing device
light beam
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
DE60026706T
Other languages
English (en)
Other versions
DE60026706T2 (de
Inventor
Yoichiro Sako
Hiroshi Ogawa
Tatsuya Inokuchi
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.)
Sony Corp
Original Assignee
Sony Corp
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
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE60026706D1 publication Critical patent/DE60026706D1/de
Application granted granted Critical
Publication of DE60026706T2 publication Critical patent/DE60026706T2/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
    • G11B7/08—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
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus 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
    • G11B7/0908—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
    • G11B7/0917—Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
    • 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
    • G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
    • 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
    • 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
    • G11B7/1374—Objective 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • 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
    • G11B7/0945—Methods for initialising servos, start-up sequences

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Holo Graphy (AREA)
  • Automatic Focus Adjustment (AREA)
  • Optical Head (AREA)
DE60026706T 1999-06-28 2000-06-28 Aufzeichnungs- und/oder wiedergabevorrichtung für optische platten und fokussierservosystem Expired - Lifetime DE60026706T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP18259199 1999-06-28
JP18259199 1999-06-28
PCT/JP2000/004257 WO2001001405A1 (fr) 1999-06-28 2000-06-28 Enregistrement sur disque optique et/ou dispositif de reproduction, et servomecanisme de focalisation

Publications (2)

Publication Number Publication Date
DE60026706D1 true DE60026706D1 (de) 2006-05-11
DE60026706T2 DE60026706T2 (de) 2006-11-16

Family

ID=16120973

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60026706T Expired - Lifetime DE60026706T2 (de) 1999-06-28 2000-06-28 Aufzeichnungs- und/oder wiedergabevorrichtung für optische platten und fokussierservosystem

Country Status (8)

Country Link
US (1) US6731578B1 (de)
EP (1) EP1111601B1 (de)
KR (1) KR100763638B1 (de)
CN (1) CN1146877C (de)
AT (1) ATE320653T1 (de)
AU (1) AU5704600A (de)
DE (1) DE60026706T2 (de)
WO (1) WO2001001405A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020191501A1 (en) * 2001-05-14 2002-12-19 Matsushita Electric Industrial Co., Ltd. Optical recording medium, optical pickup apparatus, and recording and reproducing apparatus
JP3609791B2 (ja) * 2002-03-20 2005-01-12 株式会社東芝 フォーカス制御装置と光ディスク装置及びこれらの方法
EP2278349A3 (de) * 2002-04-03 2011-10-12 Panasonic Corporation Optische Informationseinrichtung, optisches Speichermedium, Untersuchungseinrichtung für ein optisches Speichermedium und Untersuchungsverfahren für die optische Speicherung
JP4792386B2 (ja) * 2003-02-13 2011-10-12 ダグ カーソン アンド アソシエーツ，インク． 多層光ディスク内のトラック層の識別タグ
EP1486959B1 (de) * 2003-06-13 2010-12-01 Panasonic Corporation Optischer Kopf und damit versehene Datenverarbeitungseinrichtung
JP3793770B2 (ja) * 2003-08-22 2006-07-05 株式会社リコー 媒体特性規定方法
JP4833582B2 (ja) * 2005-04-27 2011-12-07 株式会社リコー 光情報記録装置及び光情報記録装置の制御方法
JP2007095218A (ja) * 2005-09-30 2007-04-12 Matsushita Electric Ind Co Ltd 光ディスク装置
KR20080058891A (ko) * 2006-12-22 2008-06-26 삼성전자주식회사 광정보저장매체 판별 방법 및 그 장치
KR20080064617A (ko) * 2007-01-05 2008-07-09 삼성전자주식회사 광정보저장매체 판별 방법 및 그 장치
JP2008192281A (ja) * 2007-01-12 2008-08-21 Ricoh Co Ltd パターン及びその形成方法
KR101307541B1 (ko) * 2007-02-14 2013-09-12 삼성전자주식회사 광정보저장매체 재생/기록 장치의 포커스 제어 방법 및 그장치
US20080205229A1 (en) * 2007-02-26 2008-08-28 Yung-Chih Li Method of identifying optical disc
JP2011192378A (ja) * 2010-02-19 2011-09-29 Panasonic Corp 光ディスク装置および光ディスクの再生方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR870010449A (ko) * 1986-04-04 1987-11-30 박병철 문서처리시스템의 배각처리방법
KR890013148A (ko) * 1988-02-02 1989-09-21 전재형 지물용 접착제의 제조방법
JPH08147762A (ja) * 1994-11-16 1996-06-07 Sony Corp 光ディスク及びその再生装置
JPH08235641A (ja) * 1995-02-27 1996-09-13 Sony Corp 光学記録媒体とその製法
US5682372A (en) * 1995-08-22 1997-10-28 Sony Corporation Method and apparatus for playing back multilayer disk
US5859824A (en) * 1996-06-03 1999-01-12 Alpine Electronics, Inc. Digital disk player
JP3488584B2 (ja) * 1996-11-06 2004-01-19 パイオニア株式会社 多層光ディスク記録情報の再生装置
JPH1097720A (ja) * 1996-09-20 1998-04-14 Nikon Corp 情報記録再生装置
JPH1097756A (ja) * 1996-09-20 1998-04-14 Nikon Corp 情報再生装置
JP2000353338A (ja) * 1999-06-10 2000-12-19 Sony Corp 光ディスク及び光ディスク再生装置

Also Published As

Publication number Publication date
DE60026706T2 (de) 2006-11-16
KR100763638B1 (ko) 2007-10-05
ATE320653T1 (de) 2006-04-15
AU5704600A (en) 2001-01-31
CN1321302A (zh) 2001-11-07
CN1146877C (zh) 2004-04-21
KR20010072819A (ko) 2001-07-31
US6731578B1 (en) 2004-05-04
EP1111601A4 (de) 2005-01-26
WO2001001405A1 (fr) 2001-01-04
EP1111601B1 (de) 2006-03-15
EP1111601A1 (de) 2001-06-27

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Legal Events

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8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)