DE69030017T2 - Optischer Plattenantrieb - Google Patents

Optischer Plattenantrieb

Info

Publication number
DE69030017T2
DE69030017T2 DE69030017T DE69030017T DE69030017T2 DE 69030017 T2 DE69030017 T2 DE 69030017T2 DE 69030017 T DE69030017 T DE 69030017T DE 69030017 T DE69030017 T DE 69030017T DE 69030017 T2 DE69030017 T2 DE 69030017T2
Authority
DE
Germany
Prior art keywords
optical disk
disk drive
drive
optical
disk
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
DE69030017T
Other languages
English (en)
Other versions
DE69030017D1 (de
Inventor
Kyosuke Yoshitomo
Osamu Ito
Kimiyuki Koyanagi
Yoshiki Nakajima
Shuichi Takeda
Kyoji Shimoda
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Priority claimed from JP1189633A external-priority patent/JPH0354729A/ja
Priority claimed from JP4323690A external-priority patent/JP2611849B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE69030017D1 publication Critical patent/DE69030017D1/de
Application granted granted Critical
Publication of DE69030017T2 publication Critical patent/DE69030017T2/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
    • G11B7/08—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
    • G11B7/08—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
    • G11B7/094—Methods and circuits for servo offset compensation
    • 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
    • G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
    • 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
    • G11B7/0901—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 for track following only
    • 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
    • G11B7/0908—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 for focusing only
    • 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
    • G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
DE69030017T 1989-04-17 1990-04-13 Optischer Plattenantrieb Expired - Fee Related DE69030017T2 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP9813689 1989-04-17
JP14244189 1989-06-05
JP15088189 1989-06-13
JP17334489 1989-07-04
JP17334389 1989-07-04
JP1189633A JPH0354729A (ja) 1989-07-20 1989-07-20 サーボパラメータの較正方法
JP18963289 1989-07-20
JP31852489 1989-12-07
JP4323690A JP2611849B2 (ja) 1989-04-17 1990-02-22 光ディスク装置

Publications (2)

Publication Number Publication Date
DE69030017D1 DE69030017D1 (de) 1997-04-10
DE69030017T2 true DE69030017T2 (de) 1997-10-09

Family

ID=27576951

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69030017T Expired - Fee Related DE69030017T2 (de) 1989-04-17 1990-04-13 Optischer Plattenantrieb

Country Status (3)

Country Link
US (1) US5251194A (de)
EP (1) EP0392561B1 (de)
DE (1) DE69030017T2 (de)

Families Citing this family (75)

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JP3553094B2 (ja) * 1992-07-28 2004-08-11 パイオニア株式会社 光学式記録再生装置
KR0160628B1 (ko) * 1993-06-18 1999-02-01 김광호 레이저 다이오드 구동 방법 및 장치
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US5440534A (en) * 1994-01-10 1995-08-08 Eastman Kodak Company Method and apparatus for maintaining a recording light beam in an on-track position on a recording medium
US5561645A (en) * 1994-01-10 1996-10-01 Eastman Kodak Company Method and apparatus for focusing a recording light beam on a recording medium
US5430702A (en) * 1994-02-16 1995-07-04 International Business Machines Corporation Calibration of readback threshold in an optical storage device
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JP3442984B2 (ja) 1997-12-26 2003-09-02 シャープ株式会社 光ピックアップの位置制御装置
KR100518514B1 (ko) 1998-02-20 2005-11-24 삼성전자주식회사 하드 디스크 드라이브에서 엑츄에이터 온트랙 제어장치및 그방법
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JP3547340B2 (ja) * 1999-05-24 2004-07-28 パイオニア株式会社 フォーカスサーボ制御装置及び方法
JP3968495B2 (ja) * 1999-09-16 2007-08-29 ソニー株式会社 光記録媒体駆動装置、フォーカス設定値補正方法、並びに光記録媒体
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US7782721B2 (en) * 2001-01-25 2010-08-24 Dphi Acquisitions, Inc. Digital focus and tracking servo system with multi-zone calibration
US7414940B2 (en) * 2001-01-25 2008-08-19 Dphi Acquisitions, Inc. Calibration of a focus error signal gain in a focus servo system
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JP3883100B2 (ja) * 2001-05-30 2007-02-21 富士通株式会社 トラッキング制御方法及び記憶装置
JP3768415B2 (ja) * 2001-05-30 2006-04-19 富士通株式会社 書き込み／消去方法及び記憶装置
JP3831659B2 (ja) * 2001-12-21 2006-10-11 三洋電機株式会社 光ディスク記録再生装置のチルト調整方法
TW566658U (en) * 2002-01-09 2003-12-11 Benq Corp Three-dimensionally adjustable laser detection device
JP3917878B2 (ja) 2002-02-28 2007-05-23 富士通株式会社 光記憶装置及び、その最適フォーカスオフセット値決定方法
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KR20040107518A (ko) * 2002-06-07 2004-12-20 톰슨 라이센싱 소시에떼 아노님 최적화된 트랙킹 방법
JP4109919B2 (ja) * 2002-07-19 2008-07-02 キヤノン株式会社 光学的情報再生装置
JP4046571B2 (ja) * 2002-08-06 2008-02-13 三洋電機株式会社 ディスク再生装置
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JP3863497B2 (ja) * 2002-12-04 2006-12-27 株式会社リコー 光学的情報記録装置及び光学的情報処理装置
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JP2005050434A (ja) * 2003-07-29 2005-02-24 Funai Electric Co Ltd 光記録再生装置
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Also Published As

Publication number Publication date
EP0392561A3 (de) 1991-12-18
EP0392561B1 (de) 1997-03-05
DE69030017D1 (de) 1997-04-10
EP0392561A2 (de) 1990-10-17
US5251194A (en) 1993-10-05

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