DE602008003269D1 - Wiedergabesignalmessverfahren, Signalwiedergabevorrichtung - Google Patents

Wiedergabesignalmessverfahren, Signalwiedergabevorrichtung

Info

Publication number
DE602008003269D1
DE602008003269D1 DE602008003269T DE602008003269T DE602008003269D1 DE 602008003269 D1 DE602008003269 D1 DE 602008003269D1 DE 602008003269 T DE602008003269 T DE 602008003269T DE 602008003269 T DE602008003269 T DE 602008003269T DE 602008003269 D1 DE602008003269 D1 DE 602008003269D1
Authority
DE
Germany
Prior art keywords
signal
frequency
recording
recording layer
recording area
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.)
Active
Application number
DE602008003269T
Other languages
English (en)
Inventor
Akemi Hirotsune
Junko Ushiyama
Hiroyuki Minemura
Takahiro Kurokawa
Harukazu Miyamoto
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE602008003269D1 publication Critical patent/DE602008003269D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B7/004—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
    • G11B20/22—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
    • G11B7/24—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
    • 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
    • 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
    • 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
    • G11B2020/1291—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting serves a specific purpose
    • G11B2020/1298—Enhancement of the signal quality
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Manufacturing Optical Record Carriers (AREA)
DE602008003269T 2007-08-08 2008-08-07 Wiedergabesignalmessverfahren, Signalwiedergabevorrichtung Active DE602008003269D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007206045A JP2009043320A (ja) 2007-08-08 2007-08-08 光記録媒体の再生信号の測定方法、信号再生装置及び光記録媒体

Publications (1)

Publication Number Publication Date
DE602008003269D1 true DE602008003269D1 (de) 2010-12-16

Family

ID=40032450

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008003269T Active DE602008003269D1 (de) 2007-08-08 2008-08-07 Wiedergabesignalmessverfahren, Signalwiedergabevorrichtung

Country Status (6)

Country Link
US (1) US8089841B2 (de)
EP (1) EP2026341B1 (de)
JP (1) JP2009043320A (de)
CN (1) CN101364411B (de)
AT (1) ATE487217T1 (de)
DE (1) DE602008003269D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5072540B2 (ja) * 2007-11-01 2012-11-14 三洋電機株式会社 光記録媒体、光記録装置および光再生装置
JP5024077B2 (ja) * 2008-01-29 2012-09-12 Ｔｄｋ株式会社 多層光記録媒体の特性評価方法
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
WO2012147129A1 (ja) * 2011-04-27 2012-11-01 日立コンシューマエレクトロニクス株式会社 光ディスク装置、光ディスク記録再生方法、光ディスク

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5677903A (en) * 1991-03-25 1997-10-14 U.S. Phillips Corporation Multi-layer information storage system with improved aberration correction
JP3266627B2 (ja) * 1991-10-11 2002-03-18 株式会社日立製作所 情報再生装置
JPH0954957A (ja) * 1995-08-11 1997-02-25 Sony Corp 多層記録媒体のクロストーク測定方法及び多層記録媒体
JP4150155B2 (ja) 2000-10-10 2008-09-17 株式会社日立製作所 情報記録媒体、情報の記録方法、再生方法、記録記録装置及び情報再生装置
AU2003254960A1 (en) 2002-10-15 2004-05-04 Matsushita Electric Industrial Co., Ltd. Multi-layer information medium, reproduction method and reproduction device thereof
JP4215497B2 (ja) 2002-12-27 2009-01-28 Ｔｄｋ株式会社 光記録媒体
JP2005158159A (ja) * 2003-11-26 2005-06-16 Toshiba Corp 記録制御パラメータ最適化装置、記録制御パラメータ最適化方法、記録装置、及び記録方法
KR20070003513A (ko) 2005-06-30 2007-01-05 엘지전자 주식회사 기록매체 및 기록매체 기록/재생방법 및 장치
JP2007048402A (ja) * 2005-08-11 2007-02-22 Toshiba Corp 光ディスク装置
US7567499B2 (en) 2005-08-30 2009-07-28 Victor Company Of Japan, Ltd. Optical disc and method of producing the same
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。

Also Published As

Publication number Publication date
EP2026341B1 (de) 2010-11-03
US20090040897A1 (en) 2009-02-12
CN101364411B (zh) 2011-07-06
US8089841B2 (en) 2012-01-03
EP2026341A1 (de) 2009-02-18
CN101364411A (zh) 2009-02-11
JP2009043320A (ja) 2009-02-26
ATE487217T1 (de) 2010-11-15

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