DE60138128D1 - Vorrichtung und verfahren zur wiedergabe optischer platten mit mehreren aufzeichnungsschichten - Google Patents
Vorrichtung und verfahren zur wiedergabe optischer platten mit mehreren aufzeichnungsschichtenInfo
- 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
Links
- 230000003287 optical effect Effects 0.000 title 1
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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
-
- 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
- G11B7/1263—Power control during transducing, e.g. by monitoring
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- 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
- G11B7/005—Reproducing
- G11B7/0052—Reproducing involving reflectivity, absorption or colour changes
-
- 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
- G11B7/007—Arrangement 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
- G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
-
- 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
- G11B7/007—Arrangement 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
- G11B7/00745—Sectoring or header formats within a track
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
- G11B20/00586—Circuits 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
-
- 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
- G11B23/00—Record 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
- G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
- G11B23/281—Indicating 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
-
- 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
- G11B7/007—Arrangement 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
- G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
-
- 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
- G11B7/24—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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
- G11B7/24088—Pits 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)
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)
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 |
US7693030B2 (en) * | 2007-04-13 | 2010-04-06 | International Business Machines Corporation | Dual-path optical recording media and an apparatus for accessing thereof |
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 |
Family Cites Families (11)
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 |
EP0565376B1 (de) * | 1992-04-10 | 1998-07-22 | Canon Kabushiki Kaisha | Gerät und Methode zur Aufzeichnung von optischen Informationen geeignet zur Verwendung von kartenförmigen Aufzeichnungsmedien mit verschiedenen Reflektivitäten |
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 |
-
2000
- 2000-11-10 EP EP00124632A patent/EP1205918A1/de not_active Withdrawn
-
2001
- 2001-10-12 TW TW090125158A patent/TW577045B/zh active
- 2001-10-29 JP JP2002541674A patent/JP3972817B2/ja not_active Expired - Fee Related
- 2001-10-29 AU AU2002227900A patent/AU2002227900A1/en not_active Abandoned
- 2001-10-29 DE DE60138128T patent/DE60138128D1/de not_active Expired - Lifetime
- 2001-10-29 CN CNB018185355A patent/CN1229786C/zh not_active Expired - Fee Related
- 2001-10-29 KR KR10-2003-7005239A patent/KR20030044000A/ko active IP Right Grant
- 2001-10-29 WO PCT/EP2001/012498 patent/WO2002039439A2/en active Application Filing
- 2001-10-29 US US10/416,263 patent/US7158471B2/en not_active Expired - Fee Related
- 2001-10-29 EP EP01989431A patent/EP1332495B1/de not_active Expired - Lifetime
-
2006
- 2006-11-09 US US11/595,063 patent/US20070053266A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1332495A2 (de) | 2003-08-06 |
WO2002039439A2 (en) | 2002-05-16 |
AU2002227900A1 (en) | 2002-05-21 |
KR20030044000A (ko) | 2003-06-02 |
CN1531725A (zh) | 2004-09-22 |
JP3972817B2 (ja) | 2007-09-05 |
EP1205918A1 (de) | 2002-05-15 |
JP2004530238A (ja) | 2004-09-30 |
EP1332495B1 (de) | 2009-03-25 |
US20070053266A1 (en) | 2007-03-08 |
CN1229786C (zh) | 2005-11-30 |
US7158471B2 (en) | 2007-01-02 |
TW577045B (en) | 2004-02-21 |
US20040032816A1 (en) | 2004-02-19 |
WO2002039439A3 (en) | 2002-08-22 |
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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 |