DE69837769D1 - Verfahren zur Bestimmung einer Schreibbedingung eines Datenaufzeichnungsmediums und Informationsaufzeichnung-/wiedergabegerät - Google Patents

Verfahren zur Bestimmung einer Schreibbedingung eines Datenaufzeichnungsmediums und Informationsaufzeichnung-/wiedergabegerät

Info

Publication number
DE69837769D1
DE69837769D1 DE69837769T DE69837769T DE69837769D1 DE 69837769 D1 DE69837769 D1 DE 69837769D1 DE 69837769 T DE69837769 T DE 69837769T DE 69837769 T DE69837769 T DE 69837769T DE 69837769 D1 DE69837769 D1 DE 69837769D1
Authority
DE
Germany
Prior art keywords
determining
reproducing apparatus
recording medium
writing condition
information recording
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 - Fee Related
Application number
DE69837769T
Other languages
English (en)
Other versions
DE69837769T2 (de
Inventor
Hiroyuki Minemura
Tsuyoshi Toda
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 DE69837769D1 publication Critical patent/DE69837769D1/de
Application granted granted Critical
Publication of DE69837769T2 publication Critical patent/DE69837769T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/12—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
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10595—Control of operating function
    • 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
    • G11B20/10407—Improvement or modification of read or write signals signal quality assessment jitter, timing deviations or phase and frequency errors by verifying the timing of signal transitions, e.g. rising or falling edges, or by analysing signal slopes
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—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
    • G11B7/004—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
    • G11B7/007—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
    • G11B7/00772—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 on record carriers storing information in the form of optical interference patterns, e.g. holograms
    • G11B7/00781—Auxiliary information, e.g. index marks, address marks, pre-pits, gray codes
    • 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

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE69837769T 1997-03-14 1998-03-04 Verfahren zur Bestimmung einer Schreibbedingung eines Datenaufzeichnungsmediums und Informationsaufzeichnung-/wiedergabegerät Expired - Fee Related DE69837769T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6048097 1997-03-14
JP6048097 1997-03-14

Publications (2)

Publication Number Publication Date
DE69837769D1 true DE69837769D1 (de) 2007-06-21
DE69837769T2 DE69837769T2 (de) 2008-01-17

Family

ID=13143493

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69837769T Expired - Fee Related DE69837769T2 (de) 1997-03-14 1998-03-04 Verfahren zur Bestimmung einer Schreibbedingung eines Datenaufzeichnungsmediums und Informationsaufzeichnung-/wiedergabegerät
DE69835552T Expired - Fee Related DE69835552T2 (de) 1997-03-14 1998-03-04 Datenaufzeichnungsvorrichtung und Datenaufzeichnungsverfahren

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69835552T Expired - Fee Related DE69835552T2 (de) 1997-03-14 1998-03-04 Datenaufzeichnungsvorrichtung und Datenaufzeichnungsverfahren

Country Status (6)

Country Link
US (3) US6269062B1 (de)
EP (2) EP1033704B1 (de)
KR (1) KR100294555B1 (de)
CN (2) CN1237518C (de)
DE (2) DE69837769T2 (de)
TW (1) TW382703B (de)

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Also Published As

Publication number Publication date
CN1205506A (zh) 1999-01-20
US20020085463A1 (en) 2002-07-04
EP0865035A3 (de) 1999-03-24
DE69835552D1 (de) 2006-09-28
CN1212611C (zh) 2005-07-27
CN1495713A (zh) 2004-05-12
KR100294555B1 (ko) 2001-07-12
TW382703B (en) 2000-02-21
EP0865035B1 (de) 2006-08-16
EP1033704A1 (de) 2000-09-06
US20010043529A1 (en) 2001-11-22
CN1237518C (zh) 2006-01-18
DE69835552T2 (de) 2007-10-04
KR19980080258A (ko) 1998-11-25
US6269062B1 (en) 2001-07-31
EP0865035A2 (de) 1998-09-16
US6463020B2 (en) 2002-10-08
DE69837769T2 (de) 2008-01-17
EP1033704B1 (de) 2007-05-09

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