JP4792443B2 - 光情報再生方法、光情報再生装置及び光情報記録媒体 - Google Patents

光情報再生方法、光情報再生装置及び光情報記録媒体 Download PDF

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Publication number
JP4792443B2
JP4792443B2 JP2007253034A JP2007253034A JP4792443B2 JP 4792443 B2 JP4792443 B2 JP 4792443B2 JP 2007253034 A JP2007253034 A JP 2007253034A JP 2007253034 A JP2007253034 A JP 2007253034A JP 4792443 B2 JP4792443 B2 JP 4792443B2
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Japan
Prior art keywords
reproduction signal
correction coefficient
reproduction
optical information
signal
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Expired - Fee Related
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JP2007253034A
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English (en)
Japanese (ja)
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JP2009087412A5 (https=
JP2009087412A (ja
Inventor
純子 牛山
貴弘 黒川
敦 菊川
浩行 峯邑
治一 宮本
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Hitachi Ltd
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Hitachi Ltd
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Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2007253034A priority Critical patent/JP4792443B2/ja
Priority to US12/102,936 priority patent/US20090086602A1/en
Priority to EP08016802.4A priority patent/EP2043091B1/en
Priority to CN2008101681141A priority patent/CN101399069B/zh
Publication of JP2009087412A publication Critical patent/JP2009087412A/ja
Publication of JP2009087412A5 publication Critical patent/JP2009087412A5/ja
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    • 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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10018—Improvement or modification of read or write signals analog processing for digital recording or reproduction
    • G11B20/10027—Improvement or modification of read or write signals analog processing for digital recording or reproduction adjusting the signal strength during recording or reproduction, e.g. variable gain amplifiers
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10055—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using partial response filtering when writing the signal to the medium or reading it therefrom
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10268—Improvement or modification of read or write signals bit detection or demodulation methods
    • G11B20/10287—Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors
    • G11B20/10296—Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors using the Viterbi algorithm
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10305—Improvement or modification of read or write signals signal quality assessment
    • G11B20/10398—Improvement or modification of read or write signals signal quality assessment jitter, timing deviations or phase and frequency errors
    • G11B20/10425—Improvement or modification of read or write signals signal quality assessment jitter, timing deviations or phase and frequency errors by counting out-of-lock events of a PLL
    • 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
    • G11B20/22—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
    • 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
    • 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
    • G11B2220/23—Disc-shaped record carriers characterised in that the disc has a specific layer structure
    • G11B2220/235—Multilayer discs, i.e. multiple recording layers accessed from the same side
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2007253034A 2007-09-28 2007-09-28 光情報再生方法、光情報再生装置及び光情報記録媒体 Expired - Fee Related JP4792443B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2007253034A JP4792443B2 (ja) 2007-09-28 2007-09-28 光情報再生方法、光情報再生装置及び光情報記録媒体
US12/102,936 US20090086602A1 (en) 2007-09-28 2008-04-15 Optical information reproducing method, optical information reproducing apparatus and optical information recording medium
EP08016802.4A EP2043091B1 (en) 2007-09-28 2008-09-24 Optical information reproducing method and apparatus, and optical information recording medium
CN2008101681141A CN101399069B (zh) 2007-09-28 2008-09-27 光信息再生方法、光信息再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007253034A JP4792443B2 (ja) 2007-09-28 2007-09-28 光情報再生方法、光情報再生装置及び光情報記録媒体

Publications (3)

Publication Number Publication Date
JP2009087412A JP2009087412A (ja) 2009-04-23
JP2009087412A5 JP2009087412A5 (https=) 2010-05-27
JP4792443B2 true JP4792443B2 (ja) 2011-10-12

Family

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Family Applications (1)

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JP2007253034A Expired - Fee Related JP4792443B2 (ja) 2007-09-28 2007-09-28 光情報再生方法、光情報再生装置及び光情報記録媒体

Country Status (4)

Country Link
US (1) US20090086602A1 (https=)
EP (1) EP2043091B1 (https=)
JP (1) JP4792443B2 (https=)
CN (1) CN101399069B (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2511612C2 (ru) * 2008-12-10 2014-04-10 Панасоник Корпорэйшн Носитель записи информации, устройство воспроизведения и способ воспроизведения
WO2010067556A1 (ja) * 2008-12-11 2010-06-17 パナソニック株式会社 情報記録媒体、再生装置および再生方法
JP5573489B2 (ja) * 2010-08-23 2014-08-20 ソニー株式会社 情報処理装置、および情報処理方法、並びにプログラム
JP5417299B2 (ja) * 2010-11-08 2014-02-12 日立コンシューマエレクトロニクス株式会社 情報再生装置および情報再生方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5138594A (en) * 1990-04-20 1992-08-11 International Business Machines Corporation Reducing amplitude variations of optical disk readback signals and increasing reliability of track-crossing counts
EP0544017B1 (en) * 1991-06-17 2001-03-14 Sony Corporation Method for recording on disc
JP3266627B2 (ja) 1991-10-11 2002-03-18 株式会社日立製作所 情報再生装置
JPH1116208A (ja) 1997-06-19 1999-01-22 Pioneer Electron Corp 多層情報記録媒体
US6754143B2 (en) * 2000-03-24 2004-06-22 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, and method and apparatus for recording/reproducing information thereon
JP2002117542A (ja) * 2000-10-05 2002-04-19 Pioneer Electronic Corp 多層回転記録媒体及びその記録再生方法並びに記録再生装置
JP2003346348A (ja) * 2002-05-29 2003-12-05 Nec Corp 光ディスクおよびその記録再生方法
JP4215497B2 (ja) * 2002-12-27 2009-01-28 Ｔｄｋ株式会社 光記録媒体
US7859983B2 (en) * 2003-07-15 2010-12-28 Sharp Kabushiki Kaisha Optical disk and optical disk recording and reproducing device
JP2005038463A (ja) 2003-07-15 2005-02-10 Sharp Corp 光ディスクおよび光ディスクの製造方法
WO2005109431A1 (ja) * 2004-05-10 2005-11-17 Pioneer Corporation 情報記録媒体、情報記録装置及び方法、並びにコンピュータプログラム
JP4349248B2 (ja) * 2004-10-04 2009-10-21 株式会社日立製作所 光情報記録媒体、その再生方法及びその製造方法
ATE502382T1 (de) * 2004-10-12 2011-04-15 Pioneer Corp Informationsaufzeichnungsmedium, vorrichtung und verfahren zum aufzeichnen von informationen und computerprogramm
JP4370519B2 (ja) * 2004-10-25 2009-11-25 ソニー株式会社 光情報再生装置及び光情報再生方法
JP4622454B2 (ja) * 2004-10-28 2011-02-02 Ｔｄｋ株式会社 多層光記録媒体
JP2007048402A (ja) * 2005-08-11 2007-02-22 Toshiba Corp 光ディスク装置
JP4380641B2 (ja) * 2006-02-14 2009-12-09 株式会社日立製作所 光記録媒体、光記録媒体の評価方法、情報再生方法及び情報記録方法。
JP4614169B2 (ja) 2006-03-22 2011-01-19 清水建設株式会社 泥水処理設備

Also Published As

Publication number Publication date
US20090086602A1 (en) 2009-04-02
EP2043091B1 (en) 2013-07-03
JP2009087412A (ja) 2009-04-23
CN101399069B (zh) 2011-05-11
EP2043091A3 (en) 2011-03-23
CN101399069A (zh) 2009-04-01
EP2043091A2 (en) 2009-04-01

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