DE68918592D1 - Optische plattenspeicher-wiedergabeanordnung. - Google Patents

Optische plattenspeicher-wiedergabeanordnung.

Info

Publication number
DE68918592D1
DE68918592D1 DE68918592T DE68918592T DE68918592D1 DE 68918592 D1 DE68918592 D1 DE 68918592D1 DE 68918592 T DE68918592 T DE 68918592T DE 68918592 T DE68918592 T DE 68918592T DE 68918592 D1 DE68918592 D1 DE 68918592D1
Authority
DE
Germany
Prior art keywords
optical disk
disk storage
storage player
player
optical
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
DE68918592T
Other languages
English (en)
Other versions
DE68918592T2 (de
Inventor
Seiji Kobayashi
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE68918592D1 publication Critical patent/DE68918592D1/de
Publication of DE68918592T2 publication Critical patent/DE68918592T2/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
    • G11B7/1263—Power control during transducing, e.g. by monitoring
    • 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
    • G11B7/08—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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE68918592T 1988-12-16 1989-12-13 Optische plattenspeicher-wiedergabeanordnung. Expired - Fee Related DE68918592T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63318158A JPH02162539A (ja) 1988-12-16 1988-12-16 光ディスクの記録再生装置
PCT/JP1989/001250 WO1990007180A1 (en) 1988-12-16 1989-12-13 Optical disc recording/reproducing apparatus

Publications (2)

Publication Number Publication Date
DE68918592D1 true DE68918592D1 (de) 1994-11-03
DE68918592T2 DE68918592T2 (de) 1995-02-09

Family

ID=18096130

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68918592T Expired - Fee Related DE68918592T2 (de) 1988-12-16 1989-12-13 Optische plattenspeicher-wiedergabeanordnung.

Country Status (6)

Country Link
US (1) US5172352A (de)
EP (1) EP0422227B1 (de)
JP (1) JPH02162539A (de)
KR (1) KR0171576B1 (de)
DE (1) DE68918592T2 (de)
WO (1) WO1990007180A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2625609B2 (ja) * 1991-07-10 1997-07-02 インターナショナル・ビジネス・マシーンズ・コーポレイション ディスク記憶装置
JPH05234082A (ja) * 1992-02-21 1993-09-10 Pioneer Electron Corp 光ディスクプレーヤ
JP2605577B2 (ja) * 1993-03-19 1997-04-30 ヤマハ株式会社 光ディスク記録装置
JP3426303B2 (ja) * 1993-11-19 2003-07-14 パイオニア株式会社 光ディスク及びその記録情報再生装置
US5523903A (en) * 1993-12-23 1996-06-04 International Business Machines Corporation Sector architecture for fixed block disk drive
MY112118A (en) * 1993-12-23 2001-04-30 Hitachi Global Storage Tech Netherlands B V System and method for skip-sector mapping in a data recording disk drive.
US5495466A (en) * 1994-01-10 1996-02-27 Eastman Kodak Company Write verification in an optical recording system by sensing mark formation while writing
JPH07272275A (ja) * 1994-03-29 1995-10-20 Sony Corp 光ディスク装置
JPH0973637A (ja) 1995-09-06 1997-03-18 Hitachi Ltd 光ディスク信号処理装置
US5640381A (en) * 1996-03-08 1997-06-17 International Business Machines Corporation Laser power-drive circuit having a scaling DAC supplying a scaled reference signal to a plurality of scaled DAC's that supply a plurality of scaled output signals
US6088323A (en) * 1996-07-16 2000-07-11 Sony Corporation Optical disk, optical disk device, and optical disk recording method
JP3861269B2 (ja) 1996-07-16 2006-12-20 ソニー株式会社 光ディスク装置、光ディスクの記録方法、光ディスク及び光ディスクの製造方法
KR100425437B1 (ko) * 1997-01-17 2004-07-16 삼성전자주식회사 반사율이 낮은 cd-rom 디스크 리드 장치 및 방법
KR100294614B1 (ko) * 1997-11-25 2002-04-17 전주범 레이져파우어캘리브레이션영역을구비한디스크와광디스크시스템의데이터기록장치및방법
KR100374639B1 (ko) * 1999-11-03 2003-03-04 삼성전자주식회사 광디스크 시스템의 광전력 조정방법, 장치 및 이를구비하는 광 디스크 시스템
JP2002216369A (ja) * 2001-01-19 2002-08-02 Sanyo Electric Co Ltd ディスク装置
TWI234912B (en) * 2004-04-12 2005-06-21 Mediatek Inc Automatic laser control method and device thereof
JP2005353133A (ja) * 2004-06-09 2005-12-22 Hitachi Ltd 適切なサンプルホールドタイミングの導出方法及び同方法を用いた光ディスク装置
JP2007213680A (ja) * 2006-02-08 2007-08-23 Toshiba Corp 自動パワー制御フィルタ回路および光ディスク装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07111782B2 (ja) * 1986-08-13 1995-11-29 ソニー株式会社 光デイスクの記録再生装置
JPH01112533A (ja) * 1987-10-23 1989-05-01 Mitsubishi Electric Corp 光ディスク装置
JPH01150240A (ja) * 1987-12-08 1989-06-13 Canon Inc 情報再生装置

Also Published As

Publication number Publication date
EP0422227A4 (en) 1992-01-02
DE68918592T2 (de) 1995-02-09
EP0422227A1 (de) 1991-04-17
WO1990007180A1 (en) 1990-06-28
KR910700521A (ko) 1991-03-15
JPH02162539A (ja) 1990-06-22
US5172352A (en) 1992-12-15
EP0422227B1 (de) 1994-09-28
KR0171576B1 (ko) 1999-05-01

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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