DE602006004596D1 - Verfahren zum schrittweisen schliessen eines fokussteuerungskreises eines optischen antriebssystems - Google Patents

Verfahren zum schrittweisen schliessen eines fokussteuerungskreises eines optischen antriebssystems

Info

Publication number
DE602006004596D1
DE602006004596D1 DE602006004596T DE602006004596T DE602006004596D1 DE 602006004596 D1 DE602006004596 D1 DE 602006004596D1 DE 602006004596 T DE602006004596 T DE 602006004596T DE 602006004596 T DE602006004596 T DE 602006004596T DE 602006004596 D1 DE602006004596 D1 DE 602006004596D1
Authority
DE
Germany
Prior art keywords
focus
drive system
optical carrier
optical drive
focus control
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.)
Active
Application number
DE602006004596T
Other languages
English (en)
Inventor
Jeroen A Raaymakers
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
Publication of DE602006004596D1 publication Critical patent/DE602006004596D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • 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
    • G11B7/095—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

  • Optical Recording Or Reproduction (AREA)
  • Microscoopes, Condenser (AREA)
  • Automatic Focus Adjustment (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
DE602006004596T 2005-06-30 2006-06-23 Verfahren zum schrittweisen schliessen eines fokussteuerungskreises eines optischen antriebssystems Active DE602006004596D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05105863 2005-06-30
PCT/IB2006/052042 WO2007004095A2 (en) 2005-06-30 2006-06-23 A method for gradually closing down a focus control loop of an optical drive system

Publications (1)

Publication Number Publication Date
DE602006004596D1 true DE602006004596D1 (de) 2009-02-12

Family

ID=37508324

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006004596T Active DE602006004596D1 (de) 2005-06-30 2006-06-23 Verfahren zum schrittweisen schliessen eines fokussteuerungskreises eines optischen antriebssystems

Country Status (10)

Country Link
US (1) US8014249B2 (de)
EP (1) EP1905017B1 (de)
JP (1) JP2009500772A (de)
KR (1) KR20080021157A (de)
CN (1) CN101213597B (de)
AT (1) ATE419620T1 (de)
DE (1) DE602006004596D1 (de)
MY (1) MY140423A (de)
TW (1) TW200705420A (de)
WO (1) WO2007004095A2 (de)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63140429A (ja) * 1986-12-03 1988-06-13 Canon Inc 光学的情報記録再生装置
JPH02143926A (ja) * 1988-11-25 1990-06-01 Asahi Optical Co Ltd フォーカスアクチュエータ駆動装置
JPH0540941A (ja) * 1991-08-07 1993-02-19 Hitachi Ltd 自動焦点引き込み方式
DE69317831T2 (de) 1992-08-04 1998-08-06 Sony Corp Wiedergabegerät
WO1997024717A1 (en) 1995-12-27 1997-07-10 Philips Electronics N.V. Device for scanning an optically readable record carrier
JP2000339712A (ja) * 1999-06-02 2000-12-08 Ricoh Co Ltd 光ディスク装置
TW509926B (en) * 1999-12-10 2002-11-11 Koninkl Philips Electronics Nv Device for scanning a rotating information carrier
JP3726621B2 (ja) * 2000-02-25 2005-12-14 三菱電機株式会社 フォーカス引き込み方法および光ディスク装置
US6882601B2 (en) 2001-01-25 2005-04-19 Dphi Acquisitions, Inc. Digital servo system with feed-forward control loops
JP3596001B2 (ja) * 2001-01-30 2004-12-02 日本電気株式会社 フォーカスサーボ引き込み装置
WO2003010761A1 (en) * 2001-07-26 2003-02-06 Sony Corporation Optical recording/reproducing apparatus, focusing method therefor, and optical disk recording medium
JP3725457B2 (ja) * 2001-09-17 2005-12-14 株式会社東芝 フォーカス引き込み方法及び光ディスク装置
KR100638124B1 (ko) * 2001-10-01 2006-10-24 파이오니아 가부시키가이샤 포커스 풀-인 기능을 갖는 광학 디스크 플레이어
CN1211789C (zh) * 2001-12-14 2005-07-20 松下电器产业株式会社 光头以及光盘装置
JP4132034B2 (ja) * 2001-12-14 2008-08-13 松下電器産業株式会社 光ヘッドおよび光ディスク装置
CN1679092A (zh) * 2003-01-20 2005-10-05 富士通株式会社 光学存储系统和控制方法
JP2004103234A (ja) * 2003-09-26 2004-04-02 Toshiba Corp 光ディスク装置及び光ディスク処理方法
US7362667B2 (en) * 2003-11-14 2008-04-22 Matsushita Electric Industrial Co., Ltd. Optical information reproduction method and apparatus

Also Published As

Publication number Publication date
ATE419620T1 (de) 2009-01-15
WO2007004095A2 (en) 2007-01-11
US20100142335A1 (en) 2010-06-10
MY140423A (en) 2009-12-31
TW200705420A (en) 2007-02-01
KR20080021157A (ko) 2008-03-06
US8014249B2 (en) 2011-09-06
EP1905017A2 (de) 2008-04-02
CN101213597B (zh) 2010-12-29
EP1905017B1 (de) 2008-12-31
WO2007004095A3 (en) 2007-03-15
JP2009500772A (ja) 2009-01-08
CN101213597A (zh) 2008-07-02

Similar Documents

Publication Publication Date Title
US8441909B1 (en) Disk drive increasing laser power at beginning of write in heat assisted magnetic recording
SG131001A1 (en) Disk drive and control method thereof
TW200518073A (en) Optical disk drive of writing a re-writable optical disk and method thereof
TW200612422A (en) Optical disk device
TW200614160A (en) Power down apparatus for an optical data drive
WO2005034106A3 (en) Optical disk drive focusing apparatus
DE602006004596D1 (de) Verfahren zum schrittweisen schliessen eines fokussteuerungskreises eines optischen antriebssystems
EP1912211A4 (de) Verfahren zur wiedergabe eines optischen datenträgersignals und optische datenträgereinrichtung
US8223616B2 (en) Reproducing system for use with optical devices
US20080137499A1 (en) Optical disk apparatus and focusing method
ATE470575T1 (de) Abbildungssystem zur verarbeitung von medien
US20030112720A1 (en) Method of layer jump braking control for an optical drive
TW200701188A (en) Method and apparatus for stablizing servo closed-loop gain, pll clock and servo signal through setting appropriate gain value to servo closed-loop gain and holding pll clock and servo signal when power of pick-up head changes
WO2008132838A1 (ja) 近接場光を用いて情報記録媒体に対するデータの記録および／または再生を行う装置および方法、および情報記録媒体
JP2001014691A (ja) 光ディスク装置のディフェクト装置
US7110213B2 (en) Positioner for positioning head on a disk
JP2004178735A (ja) フォーカスサーボ制御装置、多層光ディスクのレイヤジャンプ制御方法及び該方法を実行するプログラム
WO2007046054A3 (en) A control method with single period learning for an optical drive
JP2720098B2 (ja) 光ヘッドの制御装置および方法
JP2010086627A (ja) 光ディスク装置
TW200735067A (en) Method for controlling an optical disc drive to resume interrupted recording on an optical disc, circuit thereof, and optical disc drive capable of resuming interrupted recording on an optical disc
JP2008532198A5 (de)
TWI266304B (en) Method for processing error for a seeking servo for optical disk drive
JP2006018939A (ja) 光ディスク装置
JP2018501600A5 (de)

Legal Events

Date Code Title Description
8364 No opposition during term of opposition