CN101393755B - 光信息再生方法、光信息再生装置以及光信息记录介质 - Google Patents

光信息再生方法、光信息再生装置以及光信息记录介质 Download PDF

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Publication number
CN101393755B
CN101393755B CN200810213144XA CN200810213144A CN101393755B CN 101393755 B CN101393755 B CN 101393755B CN 200810213144X A CN200810213144X A CN 200810213144XA CN 200810213144 A CN200810213144 A CN 200810213144A CN 101393755 B CN101393755 B CN 101393755B
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CN
China
Prior art keywords
power
signal
optical
optical information
regenerating
Prior art date
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Expired - Fee Related
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CN200810213144XA
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English (en)
Chinese (zh)
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CN101393755A (zh
Inventor
新谷俊通
峰邑浩行
江藤宗一郎
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Hitachi Consumer Electronics Co Ltd
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Hitachi Ltd
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Publication date
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Publication of CN101393755A publication Critical patent/CN101393755A/zh
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Publication of CN101393755B publication Critical patent/CN101393755B/zh
Expired - Fee Related legal-status Critical Current
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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
    • G11B7/08—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
    • G11B7/0945—Methods for initialising servos, start-up sequences
    • 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
    • G11B7/1267—Power calibration
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
CN200810213144XA 2007-09-20 2008-09-18 光信息再生方法、光信息再生装置以及光信息记录介质 Expired - Fee Related CN101393755B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007243221 2007-09-20
JP2007-243221 2007-09-20
JP2007243221A JP4778940B2 (ja) 2007-09-20 2007-09-20 光情報再生方法及び光情報再生装置

Publications (2)

Publication Number Publication Date
CN101393755A CN101393755A (zh) 2009-03-25
CN101393755B true CN101393755B (zh) 2011-12-07

Family

ID=40042864

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200810213144XA Expired - Fee Related CN101393755B (zh) 2007-09-20 2008-09-18 光信息再生方法、光信息再生装置以及光信息记录介质

Country Status (5)

Country Link
US (1) US7933179B2 (enExample)
EP (1) EP2040255B1 (enExample)
JP (1) JP4778940B2 (enExample)
CN (1) CN101393755B (enExample)
AT (1) ATE547789T1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4720778B2 (ja) * 2007-04-25 2011-07-13 株式会社日立製作所 情報記録媒体の評価方法
EP2425429B1 (en) 2009-04-28 2014-06-11 Thomson Licensing Optical storage medium comprising tracks with modified mark dimensions, and respective apparatus for reading of data
EP2246854A1 (en) * 2009-04-28 2010-11-03 Thomson Licensing Optical storage medium comprising tracks with different modulation codes, and respective apparatus for reading of data
JP5130253B2 (ja) * 2009-05-12 2013-01-30 株式会社日立製作所 再生パワー調整方法および光情報再生装置
EP2428952A1 (en) * 2010-09-08 2012-03-14 Thomson Licensing Method and system for determining the quality of a storage system
JP6063624B2 (ja) * 2011-12-12 2017-01-18 シャープ株式会社 光情報記録媒体、再生装置および再生方法
CN108153132B (zh) * 2017-12-28 2019-06-21 电子科技大学 一种基于均值梯度函数的光学扫描全息自聚焦方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0896412A (ja) 1994-09-21 1996-04-12 Toshiba Corp 情報記録媒体
AU4322897A (en) * 1996-10-08 1998-05-05 Sanyo Electric Co., Ltd. Recording medium and information recorder/reproducer
US6584050B1 (en) * 1999-04-26 2003-06-24 Sharp Kabushiki Kaisha Optical recording device, optical reproducing device, and optical memory medium
JP4287580B2 (ja) * 1999-11-30 2009-07-01 Ｔｄｋ株式会社 光情報媒体の再生方法
JP3775564B2 (ja) * 2000-04-14 2006-05-17 シャープ株式会社 光再生装置
JP4814476B2 (ja) * 2001-04-20 2011-11-16 Ｔｄｋ株式会社 光情報媒体の再生方法
JP2003323723A (ja) 2002-04-30 2003-11-14 Sony Corp 光ディスク、光ディスク記録及び／又は再生装置及び方法、並びに光ディスクの製造方法
KR20050052606A (ko) 2003-11-28 2005-06-03 삼성전자주식회사 정보저장매체, 이에 기록된 정보재생방법 및 장치
US20050157631A1 (en) 2003-12-30 2005-07-21 Samsung Electronics Co., Ltd Information storage medium and method and apparatus for reproducing information recorded on the same
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
JP2006209898A (ja) * 2005-01-31 2006-08-10 Nec Corp 光学情報記録媒体及び光学情報再生装置
KR101244908B1 (ko) * 2005-12-20 2013-03-18 티디케이가부시기가이샤 광기록 매체에 대한 최적 재생 파워를 결정하는 방법 및 장치
JP4216293B2 (ja) * 2006-04-24 2009-01-28 Ｔｄｋ株式会社 光ディスクの再生耐久性評価方法及び情報再生装置
JP4618730B2 (ja) 2006-07-26 2011-01-26 株式会社リコー 情報再生方法及び情報再生装置
JP4903081B2 (ja) * 2007-05-17 2012-03-21 株式会社日立製作所 光ディスク媒体及びトラッキング方法
JP4996331B2 (ja) 2007-05-17 2012-08-08 株式会社荏原製作所 基板研磨装置および基板研磨方法

Also Published As

Publication number Publication date
US20090080311A1 (en) 2009-03-26
EP2040255A2 (en) 2009-03-25
ATE547789T1 (de) 2012-03-15
CN101393755A (zh) 2009-03-25
JP4778940B2 (ja) 2011-09-21
JP2009076134A (ja) 2009-04-09
US7933179B2 (en) 2011-04-26
EP2040255B1 (en) 2012-02-29
EP2040255A3 (en) 2009-05-06

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: HITACHI LTD.

Free format text: FORMER OWNER: HITACHI,LTD.

Effective date: 20130918

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130918

Address after: Tokyo, Japan

Patentee after: Hitachi Consumer Electronics Co.,Ltd.

Address before: Tokyo, Japan

Patentee before: Hitachi Manufacturing Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111207

Termination date: 20160918