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DE69628499D1 - Datenaufzeichnungs-/-wiedergabeverfahren, Datenaufzeichnungs-/-wiedergabegerät und Verwendung eines Datenaufzeichnungsmedium - Google Patents

Datenaufzeichnungs-/-wiedergabeverfahren, Datenaufzeichnungs-/-wiedergabegerät und Verwendung eines Datenaufzeichnungsmedium

Info

Publication number
DE69628499D1
DE69628499D1 DE69628499T DE69628499T DE69628499D1 DE 69628499 D1 DE69628499 D1 DE 69628499D1 DE 69628499 T DE69628499 T DE 69628499T DE 69628499 T DE69628499 T DE 69628499T DE 69628499 D1 DE69628499 D1 DE 69628499D1
Authority
DE
Germany
Prior art keywords
data recording
reproducing
reproducing apparatus
recording medium
reproducing method
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
DE69628499T
Other languages
English (en)
Other versions
DE69628499T2 (de
Inventor
Hiroko Iwasaki
Yukio Ide
Yoshiyuki Kageyama
Makoto Harigaya
Michiharu Abe
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27467090&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69628499(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE69628499D1 publication Critical patent/DE69628499D1/de
Application granted granted Critical
Publication of DE69628499T2 publication Critical patent/DE69628499T2/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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/006—Overwriting
    • G11B7/0062—Overwriting strategies, e.g. recording pulse sequences with erasing level used for phase-change media
    • 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
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • 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
    • G11B7/00454—Recording involving phase-change effects
    • 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
    • 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
    • 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
    • G11B7/006—Overwriting

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Digital Magnetic Recording (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Recording Measured Values (AREA)
DE69628499T 1995-04-14 1996-04-12 Datenaufzeichnungs-/-wiedergabeverfahren, Datenaufzeichnungs-/-wiedergabegerät und Verwendung eines Datenaufzeichnungsmedium Expired - Lifetime DE69628499T2 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP8946495 1995-04-14
JP8946495 1995-04-14
JP20102195 1995-08-07
JP20102195 1995-08-07
JP23254795 1995-09-11
JP23254795 1995-09-11
JP08085307A JP3124720B2 (ja) 1995-04-14 1996-04-08 情報記録再生方法、情報記録再生装置及び情報記録媒体
JP8530796 1996-04-08

Publications (2)

Publication Number Publication Date
DE69628499D1 true DE69628499D1 (de) 2003-07-10
DE69628499T2 DE69628499T2 (de) 2004-05-19

Family

ID=27467090

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69638266T Expired - Lifetime DE69638266D1 (de) 1995-04-14 1996-04-12 Datenaufzeichnungs-/-wiedergabeverfahren und Datenaufzeichnungs-/-wiedergabegerät
DE69628499T Expired - Lifetime DE69628499T2 (de) 1995-04-14 1996-04-12 Datenaufzeichnungs-/-wiedergabeverfahren, Datenaufzeichnungs-/-wiedergabegerät und Verwendung eines Datenaufzeichnungsmedium
DE69617372T Expired - Lifetime DE69617372T2 (de) 1995-04-14 1996-04-12 Datenaufzeichnungs-/-wiedergabeverfahren

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69638266T Expired - Lifetime DE69638266D1 (de) 1995-04-14 1996-04-12 Datenaufzeichnungs-/-wiedergabeverfahren und Datenaufzeichnungs-/-wiedergabegerät

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69617372T Expired - Lifetime DE69617372T2 (de) 1995-04-14 1996-04-12 Datenaufzeichnungs-/-wiedergabeverfahren

Country Status (5)

Country Link
US (2) US5761179A (de)
EP (4) EP1739661B1 (de)
JP (1) JP3124720B2 (de)
DE (3) DE69638266D1 (de)
ES (3) ES2168529T3 (de)

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JP4613356B2 (ja) * 1998-03-03 2011-01-19 独立行政法人産業技術総合研究所 光記録媒体、光記録方法、光信号再生方法、光記録装置及び光信号再生装置
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Also Published As

Publication number Publication date
US5761179A (en) 1998-06-02
DE69617372D1 (de) 2002-01-10
EP0778565A1 (de) 1997-06-11
EP0737962A3 (de) 1997-04-23
DE69628499T2 (de) 2004-05-19
JPH09138947A (ja) 1997-05-27
ES2168529T3 (es) 2002-06-16
DE69638266D1 (de) 2010-11-11
JP3124720B2 (ja) 2001-01-15
ES2387500T3 (es) 2012-09-25
EP1271488A3 (de) 2003-04-16
EP1739661A2 (de) 2007-01-03
EP1739661B1 (de) 2012-05-02
ES2194938T3 (es) 2003-12-01
US5740149A (en) 1998-04-14
EP0737962A2 (de) 1996-10-16
DE69617372T2 (de) 2002-09-26
EP1271488B1 (de) 2010-09-29
EP0737962B1 (de) 2003-06-04
EP1739661A3 (de) 2008-12-31
EP1271488A2 (de) 2003-01-02
EP0778565B1 (de) 2001-11-28

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