DE60138128D1 - Vorrichtung und verfahren zur wiedergabe optischer platten mit mehreren aufzeichnungsschichten - Google Patents

Vorrichtung und verfahren zur wiedergabe optischer platten mit mehreren aufzeichnungsschichten

Info

Publication number
DE60138128D1
DE60138128D1 DE60138128T DE60138128T DE60138128D1 DE 60138128 D1 DE60138128 D1 DE 60138128D1 DE 60138128 T DE60138128 T DE 60138128T DE 60138128 T DE60138128 T DE 60138128T DE 60138128 D1 DE60138128 D1 DE 60138128D1
Authority
DE
Germany
Prior art keywords
recording layers
reproducing optical
optical plates
several recording
several
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
DE60138128T
Other languages
English (en)
Inventor
Holger Hofmann
Hartmut Richter
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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 Thomson Licensing SAS filed Critical Thomson Licensing SAS
Application granted granted Critical
Publication of DE60138128D1 publication Critical patent/DE60138128D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005Reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125Optical 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
    • G11B7/126Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1263Power control during transducing, e.g. by monitoring
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005Reproducing
    • G11B7/0052Reproducing involving reflectivity, absorption or colour changes
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/007Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00736Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/007Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00745Sectoring or header formats within a track
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13Optical detectors therefor
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085Pits
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00572Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00586Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the physical format of the recording medium
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B2007/0003Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009Recording, 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
    • G11B2007/0013Recording, 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/28Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
    • G11B23/281Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs by changing the physical properties of the record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/007Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00718Groove and land recording, i.e. user data recorded both in the grooves and on the lands
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0901Disposition 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
    • G11B7/0903Multi-beam tracking systems
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403Layers; Shape, structure or physical properties thereof
    • G11B7/24035Recording layers
    • G11B7/24038Multiple laminated recording layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085Pits
    • G11B7/24088Pits for storing more than two values, i.e. multi-valued recording for data or prepits

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE60138128T 2000-11-10 2001-10-29 Vorrichtung und verfahren zur wiedergabe optischer platten mit mehreren aufzeichnungsschichten Expired - Lifetime DE60138128D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00124632A EP1205918A1 (de) 2000-11-10 2000-11-10 Vorrichtung und Verfahren zur Wiedergabe optischer Platten mit mehreren Aufzeichnungsschichten
PCT/EP2001/012498 WO2002039439A2 (en) 2000-11-10 2001-10-29 Device and method for reading multilayer optical disk

Publications (1)

Publication Number Publication Date
DE60138128D1 true DE60138128D1 (de) 2009-05-07

Family

ID=8170348

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60138128T Expired - Lifetime DE60138128D1 (de) 2000-11-10 2001-10-29 Vorrichtung und verfahren zur wiedergabe optischer platten mit mehreren aufzeichnungsschichten

Country Status (9)

Country Link
US (2) US7158471B2 (de)
EP (2) EP1205918A1 (de)
JP (1) JP3972817B2 (de)
KR (1) KR20030044000A (de)
CN (1) CN1229786C (de)
AU (1) AU2002227900A1 (de)
DE (1) DE60138128D1 (de)
TW (1) TW577045B (de)
WO (1) WO2002039439A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3889673B2 (ja) * 2002-06-19 2007-03-07 パイオニア株式会社 情報記録装置及びその制御方法
JP2008243332A (ja) * 2007-03-28 2008-10-09 Toshiba Corp 光記憶媒体記録再生装置およびトラッキング制御方法
US8023384B2 (en) * 2007-04-13 2011-09-20 International Business Machines Corporation Computer program product for controlling an apparatus for accessing dual-path optical recording media
US7693030B2 (en) * 2007-04-13 2010-04-06 International Business Machines Corporation Dual-path optical recording media and an apparatus for accessing thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3266627B2 (ja) * 1991-10-11 2002-03-18 株式会社日立製作所 情報再生装置
US5680382A (en) * 1992-04-10 1997-10-21 Canon Kabushiki Kaisha Optical information recording apparatus and method capable of handling a plurality of card-like recording media of different reflectance
US5563873A (en) * 1992-11-26 1996-10-08 Matsushita Electric Industrial Co., Ltd. Multilayer optical disk and apparatus
US5559784A (en) * 1993-03-26 1996-09-24 Fuji Xerox Co., Ltd. Multi-layer optical information detection by two laser beam and optical multilayer recording medium
US5373499A (en) * 1993-07-22 1994-12-13 International Business Machines Corporation Multilayer optical disk and system having multiple optical paths include identical total disk substrate thickness
US5764619A (en) * 1995-04-07 1998-06-09 Matsushita Electric Industrial Co., Ltd. Optical recording medium having two separate recording layers
JPH1173657A (ja) * 1997-06-27 1999-03-16 Pioneer Electron Corp フォーカス制御装置及び方法
EP0957477A3 (de) * 1998-05-15 2003-11-05 Matsushita Electric Industrial Co., Ltd. Optisches Aufzeichnungsmedium, Verfahren und Vorrichtung zur Informationsaufzeichnung und -wiedergabe dafür
US6894962B1 (en) * 1998-10-21 2005-05-17 Matsushita Electric Industrial Co., Ltd. Optical information recording medium with sector address information
US6511788B1 (en) * 1999-02-12 2003-01-28 Sony Corporation Multi-layered optical disc
JP2002133714A (ja) * 2000-10-23 2002-05-10 Pioneer Electronic Corp 多層情報記録媒体及び記録装置

Also Published As

Publication number Publication date
CN1229786C (zh) 2005-11-30
US20040032816A1 (en) 2004-02-19
WO2002039439A3 (en) 2002-08-22
EP1205918A1 (de) 2002-05-15
EP1332495B1 (de) 2009-03-25
US7158471B2 (en) 2007-01-02
TW577045B (en) 2004-02-21
JP3972817B2 (ja) 2007-09-05
WO2002039439A2 (en) 2002-05-16
AU2002227900A1 (en) 2002-05-21
JP2004530238A (ja) 2004-09-30
KR20030044000A (ko) 2003-06-02
EP1332495A2 (de) 2003-08-06
US20070053266A1 (en) 2007-03-08
CN1531725A (zh) 2004-09-22

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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