DE60131483T2 - Informationsaufzeichnungsmedium - Google Patents

Informationsaufzeichnungsmedium Download PDF

Info

Publication number
DE60131483T2
DE60131483T2 DE60131483T DE60131483T DE60131483T2 DE 60131483 T2 DE60131483 T2 DE 60131483T2 DE 60131483 T DE60131483 T DE 60131483T DE 60131483 T DE60131483 T DE 60131483T DE 60131483 T2 DE60131483 T2 DE 60131483T2
Authority
DE
Germany
Prior art keywords
area
information
recording
dvd
pit
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
DE60131483T
Other languages
German (de)
English (en)
Other versions
DE60131483D1 (de
Inventor
Eiji Tokorozawa-shi Muramatsu
Shoji Tokorozawa-shi Taniguchi
Masahiro Tokorozawa-shi Kato
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.)
Pioneer Corp
Original Assignee
Pioneer 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 Pioneer Corp filed Critical Pioneer Corp
Application granted granted Critical
Publication of DE60131483D1 publication Critical patent/DE60131483D1/de
Publication of DE60131483T2 publication Critical patent/DE60131483T2/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
    • G11B7/007—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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/24—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by sensing features on the record carrier other than the transducing track ; sensing signals or marks recorded by another method than the main 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
    • G11B7/007—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
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/216—Rewritable 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
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
DE60131483T 2000-02-14 2001-02-12 Informationsaufzeichnungsmedium Expired - Lifetime DE60131483T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000039800A JP3962522B2 (ja) 2000-02-14 2000-02-14 情報記録媒体
JP2000039800 2000-02-14

Publications (2)

Publication Number Publication Date
DE60131483D1 DE60131483D1 (de) 2008-01-03
DE60131483T2 true DE60131483T2 (de) 2008-09-25

Family

ID=18563310

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60131483T Expired - Lifetime DE60131483T2 (de) 2000-02-14 2001-02-12 Informationsaufzeichnungsmedium

Country Status (7)

Country Link
US (2) US6532206B2 (enExample)
EP (1) EP1126446B1 (enExample)
JP (1) JP3962522B2 (enExample)
KR (2) KR100425008B1 (enExample)
CN (2) CN101075469B (enExample)
DE (1) DE60131483T2 (enExample)
TW (1) TW501114B (enExample)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4169091B2 (ja) * 2000-05-17 2008-10-22 日本ビクター株式会社 情報記録媒体記録装置、情報記録媒体記録方法、情報記録媒体再生装置、情報記録媒体再生方法
JP3391400B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体記録装置
JP3391392B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体記録装置
JP3391385B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体及び情報記録媒体再生方法
JP3391390B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体及び情報記録媒体記録方法
JP3391394B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体及び情報記録媒体再生方法
JP3391398B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体記録装置
JP3391397B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体記録装置
JP3391386B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体及び情報記録媒体再生方法
JP3391393B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体及び情報記録媒体再生方法
JP3391401B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体記録装置
JP3391389B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体及び情報記録媒体記録方法
JP3391395B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体及び情報記録媒体再生方法
JP3395779B2 (ja) 2000-05-17 2003-04-14 日本ビクター株式会社 情報記録媒体記録装置
JP3391387B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体及び情報記録媒体再生方法
JP3391391B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体記録装置
JP3391388B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体及び情報記録媒体記録方法
JP3391399B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体記録装置
JP3391396B2 (ja) 2000-05-17 2003-03-31 日本ビクター株式会社 情報記録媒体記録装置
JP3922424B2 (ja) 2000-07-25 2007-05-30 パイオニア株式会社 光学式記録媒体、光学式記録媒体製造装置及び光学式記録媒体製造方法
CN1277255C (zh) * 2000-10-26 2006-09-27 日本先锋公司 光记录介质,光记录介质制造设备和制造方法
US7368222B2 (en) 2001-01-16 2008-05-06 Dphi Acquisitions, Inc. Optical data storage media with enhanced contrast
US6908725B2 (en) * 2001-01-16 2005-06-21 Dphi Acquisitions, Inc. Double-sided hybrid optical disk with surface topology
CN1220981C (zh) 2001-10-15 2005-09-28 日本胜利株式会社 信息记录载体
EP1364369B1 (en) * 2001-12-21 2014-02-12 Sony DADC Austria AG Record medium with different latencies
DE60331609D1 (de) 2002-05-01 2010-04-15 Lg Electronics Inc Aufzeichnungsmedium mit Datenbereich mit geraden Pits für Hauptdaten und Einführungsbereich mit gewobbelten Pits für Steuerungsinformationen
US9324356B2 (en) 2002-06-18 2016-04-26 Koninklijke Philips N.V. Optical data storage medium and use of such medium
CA2459238C (en) 2002-07-02 2012-10-09 Lg Electronics Inc. High-density optical disc and method for restricting playback of the high-density optical disc in optical disc apparatus
KR101051000B1 (ko) * 2003-02-19 2011-07-26 엘지전자 주식회사 고밀도 광디스크와, 그에 따른 불법 복제 판별방법
JP4813352B2 (ja) * 2003-03-24 2011-11-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ディスク情報を持つ多層光ディスク
JP2004355701A (ja) * 2003-05-28 2004-12-16 Toshiba Corp 光ディスク及びその製造方法及び製造装置
JP4493051B2 (ja) * 2005-04-13 2010-06-30 パイオニア株式会社 情報記録媒体、情報記録装置及び情報記録方法、並びにコンピュータプログラム
WO2006132283A1 (ja) * 2005-06-09 2006-12-14 Pioneer Corporation 情報記録媒体
KR20070003513A (ko) * 2005-06-30 2007-01-05 엘지전자 주식회사 기록매체 및 기록매체 기록/재생방법 및 장치
USD545320S1 (en) 2005-09-23 2007-06-26 Romero Dennis F Copying-prevention software chip for embedding in compact disc
JP5019951B2 (ja) * 2007-05-29 2012-09-05 三菱電機株式会社 光記録方法及び光記録装置
US8947809B2 (en) * 2008-09-19 2015-02-03 Seagate Technology Llc Encoding scheme for bit patterned media
US7920354B2 (en) * 2008-09-15 2011-04-05 Seagate Technology Llc Phase servo patterns for bit patterned media

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3876544T3 (de) * 1987-09-02 1999-04-29 Sharp K.K., Osaka Optisches Speichersystem.
JPH0380443A (ja) * 1989-08-22 1991-04-05 Sony Corp 光デイスク
EP0440224B1 (en) * 1990-02-01 1996-04-03 Matsushita Electric Industrial Co., Ltd. Data playback apparatus for realizing high transfer rate
DE69230168T2 (de) * 1991-12-02 2000-04-20 Koninklijke Philips Electronics N.V. Geschlossenes Informationssystem mit Kopierschutz
JPH05234332A (ja) * 1992-02-18 1993-09-10 Sony Corp ディスク再生装置
JPH0689473A (ja) * 1992-09-10 1994-03-29 Matsushita Electric Ind Co Ltd 光磁気記録媒体
JPH06139622A (ja) * 1992-10-26 1994-05-20 Hitachi Ltd 光情報担体および光学的信号再生方法
JP2776209B2 (ja) * 1993-07-22 1998-07-16 日本ビクター株式会社 光ディスク及び情報記録再生装置
JP3539751B2 (ja) * 1994-02-18 2004-07-07 株式会社日立製作所 光ディスク及び光ディスク装置
US5453969A (en) * 1994-05-04 1995-09-26 California Institute Of Technology Optical memory with pit depth encoding
JPH07334868A (ja) * 1994-06-09 1995-12-22 Hitachi Ltd 情報記憶媒体
US5659613A (en) * 1994-06-29 1997-08-19 Macrovision Corporation Method and apparatus for copy protection for various recording media using a video finger print
JP2788022B2 (ja) * 1995-02-14 1998-08-20 株式会社日立製作所 光記録媒体
JPH08287653A (ja) * 1995-04-12 1996-11-01 Fujitsu Ltd 光記録媒体
MY112755A (en) * 1995-06-06 2001-08-30 Sony Corp Information data reproducing system, reproducing apparatus, reproducing method, data forming apparatus and data record medium
US5835479A (en) * 1995-10-09 1998-11-10 Matsushita Electric Industrial Co., Ltd. Optical information recording medium
WO1997014147A1 (en) * 1995-10-09 1997-04-17 Matsushita Electric Industrial Co., Ltd. Information recording medium, information reproduction apparatus and information reproduction method
US5719937A (en) * 1995-12-06 1998-02-17 Solana Technology Develpment Corporation Multi-media copy management system
JP3476647B2 (ja) * 1996-04-19 2003-12-10 シャープ株式会社 光ディスク、光ディスク製造装置および光ディスク記録再生装置
JPH09306030A (ja) * 1996-05-10 1997-11-28 Sony Corp 記録媒体
JPH1011760A (ja) * 1996-06-24 1998-01-16 Mitsubishi Electric Corp 光ディスクおよび光ディスクトラッキング方法
DE69736919T2 (de) * 1996-06-27 2007-09-13 Koninklijke Philips Electronics N.V. Informationsträger mit zusatzinformationen, wiedergabegerät und verfahren zur herstellung eines solchen informationsträgers
CN1174381C (zh) * 1996-10-23 2004-11-03 松下电器产业株式会社 光盘
KR100215705B1 (ko) * 1996-11-02 1999-08-16 구자홍 기기록 정보의 보호기능을 가진 정보 기록방법
KR20000064791A (ko) * 1997-01-27 2000-11-06 엠. 제이. 엠. 반 캄 콘텐트 정보 및 그것과 관련된 추가정보를전송하는 방법 및 시스템
JPH10293926A (ja) * 1997-02-21 1998-11-04 Pioneer Electron Corp 記録用クロック信号発生装置
JP3635514B2 (ja) * 1997-02-24 2005-04-06 パイオニア株式会社 情報記録装置
DE69834674T2 (de) * 1997-03-27 2007-05-03 Mitsubishi Kagaku Media Co. Ltd. Optisches Informationsaufzeichnungsmedium
JP3831063B2 (ja) * 1997-04-25 2006-10-11 パイオニア株式会社 光ディスク判別装置
JP4014690B2 (ja) * 1997-05-07 2007-11-28 パイオニア株式会社 情報再生装置及び情報再生方法並びに情報記録再生システム
US6564009B2 (en) * 1997-05-19 2003-05-13 Sony Corporation Apparatus for recording and/or reproducing data onto and/or from an optical disk and method thereof
JP3899596B2 (ja) * 1997-06-19 2007-03-28 ソニー株式会社 再生装置および再生方法
JPH1125463A (ja) * 1997-07-07 1999-01-29 Sanyo Electric Co Ltd 光ディスク、光ディスク記録再生装置及びデータ記録方法
JP4144054B2 (ja) * 1997-07-24 2008-09-03 ソニー株式会社 光ディスクの記録方法
JPH11126372A (ja) * 1997-10-23 1999-05-11 Pioneer Electron Corp 光記録媒体
JPH11176095A (ja) * 1997-12-05 1999-07-02 Sony Corp データ記録装置及びデータ記録方法
JP3447942B2 (ja) * 1998-01-14 2003-09-16 パイオニア株式会社 情報記録装置および情報記録方法
JP4118999B2 (ja) * 1998-03-20 2008-07-16 株式会社東芝 光ディスク装置及び情報再生方法
CN1172298C (zh) * 1998-07-29 2004-10-20 松下电器产业株式会社 播放装置
US6101158A (en) * 1998-08-06 2000-08-08 Hewlett-Packard Company Apparatus and method for reducing phase discontinuity between new data and previously written data on a read/write optical storage medium
JP2000149331A (ja) * 1998-11-02 2000-05-30 Sony Corp 光記録媒体、光記録媒体製造用原盤及び光記録再生装置
JP3488124B2 (ja) * 1999-03-17 2004-01-19 富士通株式会社 光情報記憶媒体
US6678236B1 (en) * 1999-08-24 2004-01-13 Victor Company Of Japan, Ltd. Information recording medium method and apparatus for recording and reproducing information
JP3600105B2 (ja) * 1999-12-22 2004-12-08 シャープ株式会社 光記録媒体、及びそのトラッキング方法、並びにそれを記録再生する装置

Also Published As

Publication number Publication date
CN101075469B (zh) 2010-09-29
KR20030067633A (ko) 2003-08-14
EP1126446A2 (en) 2001-08-22
EP1126446A3 (en) 2002-11-27
KR100450434B1 (ko) 2004-09-30
HK1038631A1 (en) 2002-03-22
US7231731B2 (en) 2007-06-19
JP3962522B2 (ja) 2007-08-22
TW501114B (en) 2002-09-01
US6532206B2 (en) 2003-03-11
US20030081536A1 (en) 2003-05-01
CN1321971A (zh) 2001-11-14
DE60131483D1 (de) 2008-01-03
KR20010082159A (ko) 2001-08-29
KR100425008B1 (ko) 2004-03-27
JP2001229547A (ja) 2001-08-24
EP1126446B1 (en) 2007-11-21
US20010014077A1 (en) 2001-08-16
CN101075469A (zh) 2007-11-21

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