TW200631002A - Compensating gain of an optical recording apparatus - Google Patents

Compensating gain of an optical recording apparatus

Info

Publication number
TW200631002A
TW200631002A TW094137195A TW94137195A TW200631002A TW 200631002 A TW200631002 A TW 200631002A TW 094137195 A TW094137195 A TW 094137195A TW 94137195 A TW94137195 A TW 94137195A TW 200631002 A TW200631002 A TW 200631002A
Authority
TW
Taiwan
Prior art keywords
recording apparatus
optical recording
difference signal
difference
light beam
Prior art date
Application number
TW094137195A
Other languages
English (en)
Inventor
Johannes Leopoldus Bakx
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of TW200631002A publication Critical patent/TW200631002A/zh

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
    • G11B7/0901—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
    • G11B7/0903—Multi-beam tracking systems
    • 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
    • G11B7/0941—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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording

Landscapes

  • Optical Recording Or Reproduction (AREA)
TW094137195A 2004-10-26 2005-10-21 Compensating gain of an optical recording apparatus TW200631002A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04105291 2004-10-26

Publications (1)

Publication Number Publication Date
TW200631002A true TW200631002A (en) 2006-09-01

Family

ID=35783531

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094137195A TW200631002A (en) 2004-10-26 2005-10-21 Compensating gain of an optical recording apparatus

Country Status (7)

Country Link
US (1) US20090103409A1 (zh)
EP (1) EP1807831A1 (zh)
JP (1) JP2008518380A (zh)
KR (1) KR20070072919A (zh)
CN (1) CN101048817A (zh)
TW (1) TW200631002A (zh)
WO (1) WO2006046176A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI425505B (zh) * 2009-12-04 2014-02-01 Sony Corp 記錄裝置、控制方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100097902A1 (en) * 2005-06-30 2010-04-22 Koninklijke Philips Electronics, N.V. Track writing with radial error offset correction
EP2020003A4 (en) 2006-05-12 2010-02-17 Lg Electronics Inc RECORDING / REPRODUCING APPARATUS AND TRACKING CONTROL METHOD
TW200809831A (en) * 2006-06-26 2008-02-16 Koninkl Philips Electronics Nv Disc drive and photo-detector circuits
CN102190428A (zh) * 2010-03-10 2011-09-21 中国科学院上海硅酸盐研究所 有序介孔微球药物载体及其制备方法
KR20220111620A (ko) 2021-02-02 2022-08-09 삼익제약주식회사 코비드-19 감염증의 예방 또는 치료용 약제학적 조성물

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057833A (en) * 1974-10-03 1977-11-08 U.S. Philips Corporation Centering detection system for an apparatus for playing optically readable record carriers
JPH076384A (ja) * 1993-06-21 1995-01-10 Sharp Corp トラッキング誤差信号のオフセットの補正方法および、これを採用した光記録再生装置
JPH08509567A (ja) * 1994-02-22 1996-10-08 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 光学走査装置
JP3617439B2 (ja) * 1999-11-02 2005-02-02 ティアック株式会社 光ディスク装置
JP2002025091A (ja) * 2000-07-05 2002-01-25 Sony Corp 回折格子、光ピックアップ、誤差信号検出装置および誤差信号検出方法
US7466636B2 (en) * 2000-08-24 2008-12-16 Thomson Licensing Method for generating a corrected error signal, and corresponding apparatus
US6744712B2 (en) * 2001-01-29 2004-06-01 Hewlett-Packard Development Company, L.P. Optical disc drive with satellite beams for generation of quadrature error signals for radial position detection
JP3636093B2 (ja) * 2001-04-24 2005-04-06 ティアック株式会社 光ディスク装置
JP3977234B2 (ja) * 2002-04-24 2007-09-19 シャープ株式会社 光ピックアップ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI425505B (zh) * 2009-12-04 2014-02-01 Sony Corp 記錄裝置、控制方法

Also Published As

Publication number Publication date
KR20070072919A (ko) 2007-07-06
EP1807831A1 (en) 2007-07-18
WO2006046176A1 (en) 2006-05-04
US20090103409A1 (en) 2009-04-23
JP2008518380A (ja) 2008-05-29
CN101048817A (zh) 2007-10-03

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