DE69016246T2 - Verfahren und Gerät zur Steuerung eines Plattengerätes. - Google Patents

Verfahren und Gerät zur Steuerung eines Plattengerätes.

Info

Publication number
DE69016246T2
DE69016246T2 DE69016246T DE69016246T DE69016246T2 DE 69016246 T2 DE69016246 T2 DE 69016246T2 DE 69016246 T DE69016246 T DE 69016246T DE 69016246 T DE69016246 T DE 69016246T DE 69016246 T2 DE69016246 T2 DE 69016246T2
Authority
DE
Germany
Prior art keywords
controlling
disk
disk device
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
DE69016246T
Other languages
English (en)
Other versions
DE69016246D1 (de
Inventor
Warren Leroy Bletsher
Morovat Tayefeh
Julian Lewkowicz
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69016246D1 publication Critical patent/DE69016246D1/de
Application granted granted Critical
Publication of DE69016246T2 publication Critical patent/DE69016246T2/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
    • 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
    • G11B11/10502—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 characterised by the transducing operation to be executed
    • G11B11/10504—Recording
    • G11B11/10506—Recording by modulating only the light beam of the transducer
    • 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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
DE69016246T 1989-04-12 1990-04-04 Verfahren und Gerät zur Steuerung eines Plattengerätes. Expired - Fee Related DE69016246T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/336,479 US5070495A (en) 1989-04-12 1989-04-12 Write calibration for magnetooptic disk recorders

Publications (2)

Publication Number Publication Date
DE69016246D1 DE69016246D1 (de) 1995-03-09
DE69016246T2 true DE69016246T2 (de) 1995-06-29

Family

ID=23316279

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69016246T Expired - Fee Related DE69016246T2 (de) 1989-04-12 1990-04-04 Verfahren und Gerät zur Steuerung eines Plattengerätes.

Country Status (4)

Country Link
US (1) US5070495A (de)
EP (1) EP0393001B1 (de)
JP (1) JPH02292726A (de)
DE (1) DE69016246T2 (de)

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JP3240016B2 (ja) * 1993-05-11 2001-12-17 ソニー株式会社 光デイスク装置及び光デイスク装置の評価方法
JPH07129958A (ja) * 1993-11-02 1995-05-19 Nec Corp 光学的記録再生装置
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US5430702A (en) * 1994-02-16 1995-07-04 International Business Machines Corporation Calibration of readback threshold in an optical storage device
US5450383A (en) 1994-05-26 1995-09-12 International Business Machines Corporation Monitoring and adjusting laser write power in an optical disk recorder using pulse-width modulated power level checking signals
US5739969A (en) * 1994-07-26 1998-04-14 Inwave Technologies, Inc. Digital data storage using predetermined increments of time wherein each increment represents a plurality of bits of information
US5602814A (en) * 1994-10-06 1997-02-11 International Business Machines Corporation Calibration of write-once disks using a single disk sector
US5696756A (en) * 1995-04-14 1997-12-09 Kabushiki Kaishia Toshiba Optical disk having an evaluation pattern for evaluating the optical disk
US5621717A (en) * 1995-06-07 1997-04-15 International Business Machines Corporation Reading optical disks having substrates with diverse axial thicknesses
US5751510A (en) * 1996-01-02 1998-05-12 International Business Machines Corporation Method and apparatus for restoring a thermal response signal of a magnetoresistive head
US5739972A (en) * 1996-01-02 1998-04-14 Ibm Method and apparatus for positioning a magnetoresistive head using thermal response to servo information on the record medium
US5872676A (en) * 1996-01-02 1999-02-16 International Business Machines Corporation Method and apparatus for positioning a dual element magnetoresistive head using thermal signals
US6587300B1 (en) 1996-04-09 2003-07-01 International Business Machines Corporation Personalization of dasd servo parameters through calibration feedback
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US5838514A (en) * 1996-08-21 1998-11-17 International Business Machines Corporation Method and apparatus for calibrating a thermal response of a magnetoresistive transducer
US6061316A (en) * 1996-09-30 2000-05-09 Matsushita Electric Industrial Co., Ltd. Multi-track recording/reproducing apparatus, recording/reproducing method, and information recording medium
US6134209A (en) * 1996-12-06 2000-10-17 U.S. Philips Corporation Producing optical recording using optimum write power
US7123563B2 (en) * 1996-12-06 2006-10-17 Koninklijke Philips Electronics N.V. Optical recording method and apparatus using this method
JP3361025B2 (ja) * 1997-02-12 2003-01-07 日本電気株式会社 光ディスク装置
KR20000022408A (ko) * 1997-05-01 2000-04-25 엠. 제이. 엠. 반 캄 광 기록매체에 기록하는 방법 및 장치
US6125085A (en) * 1997-07-02 2000-09-26 Sharp Kabushiki Kaisha Optical recording method and device for optimally controlling the width of the recording marks
US6239936B1 (en) 1997-08-19 2001-05-29 International Business Machines Corporation Method and apparatus for calibrating a thermal response of a magnetoresistive element
JP4075185B2 (ja) * 1999-01-29 2008-04-16 松下電器産業株式会社 光学的情報記録再生方法及び光学的情報記録再生装置
JP3915320B2 (ja) * 1999-06-02 2007-05-16 株式会社日立製作所 情報記録装置及び情報記録方法
US6614735B2 (en) * 2000-03-23 2003-09-02 Matsushita Electric Industrial Co., Ltd. Method and apparatus for determining optical recording power used for recording onto an optical disk
US6697308B1 (en) 2000-04-28 2004-02-24 Mosel Vitelic Corporation Method and system for providing timing adjustment to perform reliable optical recording at high speeds
US6538966B1 (en) * 2000-10-06 2003-03-25 Hewlett-Packard Company Accurate positioning of data marks and spaces relative to groove wobble on a rewritable optical disc
TW499675B (en) * 2001-02-15 2002-08-21 Benq Corp Method of optical power calibration using the outer rim portion of optical disk
TW490660B (en) * 2001-02-15 2002-06-11 Acer Comm & Multimedia Inc Optical power calibration method based on the positions of data writing
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US20070166015A1 (en) * 2004-07-15 2007-07-19 Koninklijke Philips Electronics, N.V. Recording device and method
US20090059747A1 (en) * 2005-03-25 2009-03-05 Nec Corporation Recording condition adjustment method for information recording medium and information recording/reproducing apparatus
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Also Published As

Publication number Publication date
DE69016246D1 (de) 1995-03-09
EP0393001A3 (de) 1991-01-09
EP0393001A2 (de) 1990-10-17
JPH02292726A (ja) 1990-12-04
US5070495A (en) 1991-12-03
EP0393001B1 (de) 1995-01-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee