ATE425534T1 - Vorrichtung und verfahren zur verwendung in optischen aufzeichnungsträgersystemen - Google Patents

Vorrichtung und verfahren zur verwendung in optischen aufzeichnungsträgersystemen

Info

Publication number
ATE425534T1
ATE425534T1 AT05826711T AT05826711T ATE425534T1 AT E425534 T1 ATE425534 T1 AT E425534T1 AT 05826711 T AT05826711 T AT 05826711T AT 05826711 T AT05826711 T AT 05826711T AT E425534 T1 ATE425534 T1 AT E425534T1
Authority
AT
Austria
Prior art keywords
signal
focus
control signal
focus actuator
actuator control
Prior art date
Application number
AT05826711T
Other languages
English (en)
Inventor
Roel Merry
Martin Leist
Marcel Rieck
Original Assignee
Philips & Lite On Digital Solutions 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 Philips & Lite On Digital Solutions Corp filed Critical Philips & Lite On Digital Solutions Corp
Application granted granted Critical
Publication of ATE425534T1 publication Critical patent/ATE425534T1/de

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
    • 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
    • G11B7/08—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Manufacturing Optical Record Carriers (AREA)
AT05826711T 2004-12-06 2005-12-01 Vorrichtung und verfahren zur verwendung in optischen aufzeichnungsträgersystemen ATE425534T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04106317 2004-12-06

Publications (1)

Publication Number Publication Date
ATE425534T1 true ATE425534T1 (de) 2009-03-15

Family

ID=36116890

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05826711T ATE425534T1 (de) 2004-12-06 2005-12-01 Vorrichtung und verfahren zur verwendung in optischen aufzeichnungsträgersystemen

Country Status (9)

Country Link
US (1) US7848188B2 (de)
EP (1) EP1825464B1 (de)
JP (1) JP2008523535A (de)
KR (1) KR20070095315A (de)
CN (1) CN101073112B (de)
AT (1) ATE425534T1 (de)
DE (1) DE602005013280D1 (de)
TW (1) TW200634784A (de)
WO (1) WO2006061748A1 (de)

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4674076A (en) 1982-05-19 1987-06-16 Burroughs Corporation Optical memory system having improved positioning and focusing control circuitry
NL8502635A (nl) 1985-09-27 1987-04-16 Philips Nv Inrichting voor het uitlezen van informatie op een registratiedrager.
JPS6366731A (ja) * 1986-09-08 1988-03-25 Canon Inc 光学的情報記録再生装置
JPH02246026A (ja) 1989-03-18 1990-10-01 Pioneer Electron Corp フォーカスサーボループのループゲイン設定方法
JP2716610B2 (ja) * 1991-10-16 1998-02-18 三菱電機株式会社 フォーカス制御装置
JPH0845169A (ja) 1994-07-28 1996-02-16 Sony Corp 光ディスクドライブの耐震装置及び耐震方法
JP3413684B2 (ja) * 1994-12-16 2003-06-03 ソニー株式会社 多層光ディスク再生装置および方法
CN1257496C (zh) * 1996-07-31 2006-05-24 三洋电机株式会社 光盘装置
JP3883088B2 (ja) 1998-11-11 2007-02-21 アルパイン株式会社 ディスク再生装置
JP3728390B2 (ja) * 1999-10-08 2005-12-21 パイオニア株式会社 フォーカスサーボ制御装置並びに情報再生装置及び情報記録装置
JP2001209950A (ja) 2000-01-27 2001-08-03 Hitachi Ltd フォーカス或いはトラッキングサーボ制御装置
JP2002109754A (ja) * 2000-09-29 2002-04-12 Sanyo Electric Co Ltd 光ディスク装置におけるフォーカスサーボ引込み回路
US7414940B2 (en) * 2001-01-25 2008-08-19 Dphi Acquisitions, Inc. Calibration of a focus error signal gain in a focus servo system
US7158452B2 (en) * 2001-02-22 2007-01-02 Matsushita Electric Industrial Co., Ltd. Focus control for optical disk unit
WO2004059649A1 (en) * 2002-12-30 2004-07-15 Koninklijke Philips Electronics N.V. Method for driving an actuator, actuator drive, and apparatus comprising an actuator
JP4659348B2 (ja) * 2003-08-22 2011-03-30 パイオニア株式会社 光ピックアップ装置及び光記録媒体再生装置
US7480222B2 (en) * 2003-09-02 2009-01-20 Koninklijke Philips Electronics N.V. Disc drive apparatus, and method for recognizing CD and DVD
KR100524996B1 (ko) * 2003-12-30 2005-10-31 삼성전자주식회사 광 디스크 시스템의 엑츄에이터 코일 손상 방지 장치 및그 방법
TWI246678B (en) * 2004-03-26 2006-01-01 Micro Star Int Co Ltd Method for detecting and controlling the warp of disc and its device
CN101040332A (zh) * 2004-10-15 2007-09-19 皇家飞利浦电子股份有限公司 多维光学扫描器

Also Published As

Publication number Publication date
JP2008523535A (ja) 2008-07-03
KR20070095315A (ko) 2007-09-28
CN101073112B (zh) 2011-02-09
TW200634784A (en) 2006-10-01
EP1825464B1 (de) 2009-03-11
DE602005013280D1 (de) 2009-04-23
EP1825464A1 (de) 2007-08-29
CN101073112A (zh) 2007-11-14
WO2006061748A1 (en) 2006-06-15
US7848188B2 (en) 2010-12-07
US20090129216A1 (en) 2009-05-21

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