SG119285A1 - Optical disc drive apparatus and method - Google Patents

Optical disc drive apparatus and method

Info

Publication number
SG119285A1
SG119285A1 SG200504125A SG200504125A SG119285A1 SG 119285 A1 SG119285 A1 SG 119285A1 SG 200504125 A SG200504125 A SG 200504125A SG 200504125 A SG200504125 A SG 200504125A SG 119285 A1 SG119285 A1 SG 119285A1
Authority
SG
Singapore
Prior art keywords
optical disc
disc drive
drive apparatus
optical
drive
Prior art date
Application number
SG200504125A
Other languages
English (en)
Inventor
Daryl E Anderson
Van Andrew L Brocklin
Original Assignee
Hewlett Packard Development Co
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 Hewlett Packard Development Co filed Critical Hewlett Packard Development Co
Publication of SG119285A1 publication Critical patent/SG119285A1/en

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
    • G11B7/094—Methods and circuits for servo offset compensation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • 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
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • 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
    • 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
    • G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
SG200504125A 2004-07-28 2005-06-29 Optical disc drive apparatus and method SG119285A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/900,924 US7298677B2 (en) 2004-07-28 2004-07-28 Optical disc drive apparatus and method

Publications (1)

Publication Number Publication Date
SG119285A1 true SG119285A1 (en) 2006-02-28

Family

ID=35311661

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200504125A SG119285A1 (en) 2004-07-28 2005-06-29 Optical disc drive apparatus and method

Country Status (8)

Country Link
US (1) US7298677B2 (fr)
EP (1) EP1622134B1 (fr)
JP (1) JP2006040526A (fr)
KR (1) KR101144883B1 (fr)
CN (1) CN1747029A (fr)
DE (1) DE602005009292D1 (fr)
SG (1) SG119285A1 (fr)
TW (1) TWI373042B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7768878B2 (en) * 2005-07-12 2010-08-03 Hewlett-Packard Development Company, L.P. Actuator calibration using a focus error signal
US7636280B2 (en) * 2005-09-30 2009-12-22 Hewlett-Packard Development Company, L.P. Calibration of lens position in an optical disc drive
EP1961001A1 (fr) * 2005-12-08 2008-08-27 Koninklijke Philips Electronics N.V. Procede et appareil de detection de fissures dans un support d'enregistrement optique
CN101086849A (zh) * 2006-06-09 2007-12-12 华硕电脑股份有限公司 光盘卷标刻录的温度增益补偿控制系统及方法
JP4489136B2 (ja) * 2006-12-08 2010-06-23 三菱電機株式会社 光ディスク装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63217535A (ja) 1987-03-05 1988-09-09 Canon Inc 光学的情報再生装置
JPH01105338A (ja) 1987-07-14 1989-04-21 Mitsubishi Electric Corp 光記録再生装置
JPH04206037A (ja) * 1990-11-30 1992-07-28 Teac Corp 光ディスク装置
JPH067310A (ja) 1992-06-25 1994-01-18 Kuraray Co Ltd 生体医学用電極
JPH06274912A (ja) 1993-03-22 1994-09-30 Alpine Electron Inc 光ピックアップサーボ回路
JPH07211025A (ja) 1994-01-20 1995-08-11 Ricoh Co Ltd 光ディスクドライブ装置
JP3791723B2 (ja) * 1997-08-28 2006-06-28 富士通株式会社 光学的記憶装置
JP3689232B2 (ja) 1997-10-27 2005-08-31 ペンタックス株式会社 光情報記録再生ヘッド
JP2000090563A (ja) 1998-09-11 2000-03-31 Victor Co Of Japan Ltd 光ディスクの再生装置

Also Published As

Publication number Publication date
JP2006040526A (ja) 2006-02-09
CN1747029A (zh) 2006-03-15
EP1622134A2 (fr) 2006-02-01
US7298677B2 (en) 2007-11-20
KR20060050169A (ko) 2006-05-19
US20060023593A1 (en) 2006-02-02
EP1622134A3 (fr) 2007-05-23
KR101144883B1 (ko) 2012-05-14
TWI373042B (en) 2012-09-21
EP1622134B1 (fr) 2008-08-27
TW200606910A (en) 2006-02-16
DE602005009292D1 (de) 2008-10-09

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