DE60322703D1 - Steuerungseinrichtung mit umschaltbarer charakteristik - Google Patents

Steuerungseinrichtung mit umschaltbarer charakteristik

Info

Publication number
DE60322703D1
DE60322703D1 DE60322703T DE60322703T DE60322703D1 DE 60322703 D1 DE60322703 D1 DE 60322703D1 DE 60322703 T DE60322703 T DE 60322703T DE 60322703 T DE60322703 T DE 60322703T DE 60322703 D1 DE60322703 D1 DE 60322703D1
Authority
DE
Germany
Prior art keywords
control device
controller
error signal
tll
mode
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
DE60322703T
Other languages
English (en)
Inventor
Hendrik J Goossens
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60322703D1 publication Critical patent/DE60322703D1/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
    • 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
    • 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

Landscapes

  • Feedback Control In General (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Keying Circuit Devices (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Electronic Switches (AREA)
DE60322703T 2002-06-14 2003-05-27 Steuerungseinrichtung mit umschaltbarer charakteristik Expired - Fee Related DE60322703D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02077384 2002-06-14
PCT/IB2003/002343 WO2003107335A2 (en) 2002-06-14 2003-05-27 Controller device with switchable characteristic

Publications (1)

Publication Number Publication Date
DE60322703D1 true DE60322703D1 (de) 2008-09-18

Family

ID=29724502

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60322703T Expired - Fee Related DE60322703D1 (de) 2002-06-14 2003-05-27 Steuerungseinrichtung mit umschaltbarer charakteristik

Country Status (9)

Country Link
US (1) US7209424B2 (de)
EP (1) EP1516322B1 (de)
JP (1) JP2005530287A (de)
KR (1) KR20050010048A (de)
CN (1) CN1294571C (de)
AT (1) ATE403929T1 (de)
AU (1) AU2003240192A1 (de)
DE (1) DE60322703D1 (de)
WO (1) WO2003107335A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003286361A1 (en) * 2002-12-19 2004-07-14 Koninklijke Philips Electronics N.V. Disc drive with improved resistance against mechanical shocks
TWI336468B (en) * 2005-03-02 2011-01-21 Ind Tech Res Inst Asymmetry compensator for partial response maximum likelihood (prml) decoder
US7665960B2 (en) 2006-08-10 2010-02-23 United Technologies Corporation Turbine shroud thermal distortion control
EP2971521B1 (de) 2013-03-11 2022-06-22 Rolls-Royce Corporation Strömungsweggeometrie eines gasturbinenmotors
CN111123838B (zh) * 2018-10-30 2023-04-28 施耐德电器工业公司 伺服电机控制方法及系统
CN113411135B (zh) * 2021-07-12 2022-10-18 上海交通大学 Fso中基于疏密传输的概率整形极化码方法及系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938936A (ja) * 1982-08-28 1984-03-03 Sony Corp 情報再生装置のサ−ボコントロ−ル回路
JPH0612572B2 (ja) * 1985-03-08 1994-02-16 オリンパス光学工業株式会社 光学的情報記録再生装置
US5646797A (en) * 1990-09-18 1997-07-08 Rodime Plc Digital servo control system for use in disk drives
JPH1139674A (ja) * 1997-07-14 1999-02-12 Matsushita Electron Corp 位置決め制御装置
JP3855401B2 (ja) * 1997-10-16 2006-12-13 ソニー株式会社 光ディスク記録及び／又は再生装置、及び方法
US6397369B1 (en) * 1998-11-06 2002-05-28 Acorn Technologies, Inc. Device for using information about the extent of errors in a signal and method
US7016269B2 (en) * 2000-12-21 2006-03-21 Pioneer Corporation Optical pickup apparatus and focusing control method

Also Published As

Publication number Publication date
EP1516322B1 (de) 2008-08-06
US7209424B2 (en) 2007-04-24
WO2003107335A3 (en) 2004-02-05
JP2005530287A (ja) 2005-10-06
CN1659637A (zh) 2005-08-24
ATE403929T1 (de) 2008-08-15
WO2003107335A2 (en) 2003-12-24
US20050254401A1 (en) 2005-11-17
EP1516322A2 (de) 2005-03-23
KR20050010048A (ko) 2005-01-26
CN1294571C (zh) 2007-01-10
AU2003240192A1 (en) 2003-12-31

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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