DE69941978D1 - Optisches aufzeichnungsmedium, aufzeichnungsgerät für optisches aufzeichnungsmedium, aufzeichnungsverfahren dafür, wiedergabegerät und wiedergabeverfahren dafür - Google Patents

Optisches aufzeichnungsmedium, aufzeichnungsgerät für optisches aufzeichnungsmedium, aufzeichnungsverfahren dafür, wiedergabegerät und wiedergabeverfahren dafür

Info

Publication number
DE69941978D1
DE69941978D1 DE69941978T DE69941978T DE69941978D1 DE 69941978 D1 DE69941978 D1 DE 69941978D1 DE 69941978 T DE69941978 T DE 69941978T DE 69941978 T DE69941978 T DE 69941978T DE 69941978 D1 DE69941978 D1 DE 69941978D1
Authority
DE
Germany
Prior art keywords
data
method therefor
recording medium
reproduction
optical recording
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
DE69941978T
Other languages
English (en)
Inventor
Yoichiro Sako
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
Application granted granted Critical
Publication of DE69941978D1 publication Critical patent/DE69941978D1/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
    • 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
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • 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
    • G11B20/00594—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 wherein the shape of recording marks is altered, e.g. the depth, width, or length of 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
    • 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
    • G11B20/00601—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 wherein properties of tracks are altered, e.g., by changing the wobble pattern or the track pitch, or by adding interruptions or eccentricity
    • 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
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
    • G11B20/00768—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • 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
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • 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
    • G11B7/004—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
    • G11B7/007—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
    • 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
    • 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
    • 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
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • 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
    • G11B2007/00754—Track shape, e.g. address or synchronisation information in wobbled track or sidewall
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • 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
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G11B2020/1461—8 to 14 modulation, e.g. the EFM code used on CDs or mini-discs
    • 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
    • G11B2220/2545—CDs
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69941978T 1998-12-07 1999-12-07 Optisches aufzeichnungsmedium, aufzeichnungsgerät für optisches aufzeichnungsmedium, aufzeichnungsverfahren dafür, wiedergabegerät und wiedergabeverfahren dafür Expired - Lifetime DE69941978D1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP34643998 1998-12-07
JP37068298 1998-12-25
JP23138999 1999-08-18
PCT/JP1999/006859 WO2000034948A1 (fr) 1998-12-07 1999-12-07 Support d'enregistrement optique, enregistreur pour support d'enregistrement optique, procede d'enregistrement correspondant, dispositif de reproduction et procede de reproduction correspondant

Publications (1)

Publication Number Publication Date
DE69941978D1 true DE69941978D1 (de) 2010-03-18

Family

ID=27331760

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69941978T Expired - Lifetime DE69941978D1 (de) 1998-12-07 1999-12-07 Optisches aufzeichnungsmedium, aufzeichnungsgerät für optisches aufzeichnungsmedium, aufzeichnungsverfahren dafür, wiedergabegerät und wiedergabeverfahren dafür

Country Status (9)

Country Link
US (3) US6810004B1 (de)
EP (1) EP1059632B1 (de)
KR (2) KR100703123B1 (de)
CN (2) CN1203470C (de)
AT (1) ATE456849T1 (de)
AU (1) AU771285B2 (de)
CA (1) CA2319371C (de)
DE (1) DE69941978D1 (de)
WO (1) WO2000034948A1 (de)

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JP2000242929A (ja) * 1998-12-07 2000-09-08 Sony Corp データ記録方法および装置、データ再生方法および装置、並びに記録媒体
JP4292434B2 (ja) * 1999-03-30 2009-07-08 ソニー株式会社 光ディスク、光ディスク記録装置、光ディスクの記録方法、光ディスク再生装置及び光ディスクの再生方法
WO2000074045A1 (fr) * 1999-05-31 2000-12-07 Matsushita Electric Industrial Co., Ltd. Dispositif et procede d'enregistrement d'informations optiques, et support d'enregistrement d'informations optiques
AU2001288104A1 (en) * 2000-09-22 2002-04-02 Matsushita Electric Industrial Co., Ltd. Optical disc and a reproduction method, reproduction apparatus, and recording apparatus for the same
WO2002035529A2 (en) * 2000-10-27 2002-05-02 Matsushita Electric Industrial Co., Ltd. Optical disc, recording apparatus and method, and reproduction apparatus and method
JP4281252B2 (ja) 2001-01-16 2009-06-17 ソニー株式会社 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム記憶媒体
BR0205529A (pt) * 2001-06-08 2003-07-15 Sony Disc Technology Inc Meio de disco óptico, e, método e aparelho de gravação de dados
JP3870734B2 (ja) * 2001-07-31 2007-01-24 ソニー株式会社 記録媒体の再生装置および方法、並びに記録再生装置
JP3754917B2 (ja) * 2001-12-05 2006-03-15 ソニー株式会社 データ記録媒体、データ記録方法および装置
AU2004241602B2 (en) * 2003-05-20 2008-05-08 Syndiant, Inc. Digital backplane
JP3988052B2 (ja) 2004-01-29 2007-10-10 ソニー株式会社 光ディスク記録装置、光ディスク記録方法、光ディスク、光ディスク再生装置および光ディスク再生方法
JP2006252743A (ja) * 2005-03-08 2006-09-21 Qinghua Univ マルチレベル読み出し専用光ディスク及びその製造方法
JP4440207B2 (ja) * 2005-12-14 2010-03-24 太陽誘電株式会社 光情報記録再生装置、光情報記録処理方法、光情報記録媒体、プログラム、及び中央演算装置
JP2009187634A (ja) * 2008-02-07 2009-08-20 Sony Corp 光ディスク記録装置、記録方法、光ディスク及び光ディスク再生装置
JP2009266285A (ja) * 2008-04-23 2009-11-12 Sony Corp 光情報記録装置、光情報記録方法、光情報再生装置、光情報再生方法及び光情報記録媒体
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JP5257261B2 (ja) * 2009-06-18 2013-08-07 ソニー株式会社 光情報再生装置及び光情報再生方法

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US6388985B1 (en) * 1999-09-27 2002-05-14 Industrial Technology Research Institute Data recording method for optical disc

Also Published As

Publication number Publication date
CN1203470C (zh) 2005-05-25
CN1295706A (zh) 2001-05-16
CN1547197A (zh) 2004-11-17
ATE456849T1 (de) 2010-02-15
WO2000034948A1 (fr) 2000-06-15
AU1416200A (en) 2000-06-26
US20050036412A1 (en) 2005-02-17
CN100409333C (zh) 2008-08-06
CA2319371C (en) 2011-08-30
KR20010040613A (ko) 2001-05-15
US20080186835A1 (en) 2008-08-07
CA2319371A1 (en) 2000-06-15
AU771285B2 (en) 2004-03-18
KR100797971B1 (ko) 2008-01-24
EP1059632A1 (de) 2000-12-13
KR20060091325A (ko) 2006-08-18
EP1059632A4 (de) 2007-01-10
EP1059632B1 (de) 2010-01-27
KR100703123B1 (ko) 2007-04-05
US7539107B2 (en) 2009-05-26
US7397748B2 (en) 2008-07-08
US6810004B1 (en) 2004-10-26

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