TW200727275A - Method and system for correction of errors - Google Patents

Method and system for correction of errors

Info

Publication number
TW200727275A
TW200727275A TW095125505A TW95125505A TW200727275A TW 200727275 A TW200727275 A TW 200727275A TW 095125505 A TW095125505 A TW 095125505A TW 95125505 A TW95125505 A TW 95125505A TW 200727275 A TW200727275 A TW 200727275A
Authority
TW
Taiwan
Prior art keywords
during recording
errors
correction
periodic disturbances
pertaining
Prior art date
Application number
TW095125505A
Other languages
English (en)
Inventor
Yu Zhou
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 TW200727275A publication Critical patent/TW200727275A/zh

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing 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
    • G11B7/08—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
    • G11B7/0953—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 to compensate for eccentricity of the disc or disc tracks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
    • G11B17/0401—Details
    • G11B17/0405—Closing mechanism, e.g. door
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
    • G11B17/05—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs not contained within cartridges
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head 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 on disks

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
TW095125505A 2005-07-15 2006-07-12 Method and system for correction of errors TW200727275A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05106502 2005-07-15

Publications (1)

Publication Number Publication Date
TW200727275A true TW200727275A (en) 2007-07-16

Family

ID=37149940

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095125505A TW200727275A (en) 2005-07-15 2006-07-12 Method and system for correction of errors

Country Status (7)

Country Link
US (1) US7907482B2 (zh)
EP (1) EP1908065A2 (zh)
JP (1) JP2009501401A (zh)
KR (1) KR20080033401A (zh)
CN (1) CN101223590B (zh)
TW (1) TW200727275A (zh)
WO (1) WO2007010426A2 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8014881B2 (en) * 2007-02-15 2011-09-06 Asml Netherlands B.V. Lithographic apparatus and device manufacturing method
NL1036292A1 (nl) * 2007-12-19 2009-06-22 Asml Netherlands Bv Controller for a positioning device, method for controlling a positioning device, positioning device, and lithographic apparatus provided with a positioning device.
JP2010160848A (ja) * 2009-01-08 2010-07-22 Hitachi Ltd 光ディスク装置
US8749904B1 (en) * 2012-02-28 2014-06-10 Western Digital Technologies, Inc. Disk drive compensating for track squeeze by writing non-circular servo tracks
US8929021B1 (en) 2012-03-27 2015-01-06 Western Digital Technologies, Inc. Disk drive servo writing from spiral tracks using radial dependent timing feed-forward compensation
US8917475B1 (en) 2013-12-20 2014-12-23 Western Digital Technologies, Inc. Disk drive generating a disk locked clock using radial dependent timing feed-forward compensation
CN108227475B (zh) * 2016-12-14 2021-07-06 中国航空工业集团公司北京航空精密机械研究所 一种直流电机周期性干扰信号的抑制方法
CN109856964B (zh) * 2019-03-08 2020-08-21 中国科学院长春光学精密机械与物理研究所 基于脱靶量处理的运动目标控制方法和系统
JP2023012630A (ja) * 2021-07-14 2023-01-26 住友電気工業株式会社 光ファイバ、および光ファイバの製造方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4764914A (en) 1987-09-11 1988-08-16 Eastman Kodak Company Least squares method and apparatus for determining track eccentricity of a disk
NL8702261A (nl) * 1987-09-23 1989-04-17 Philips Nv Informatie opteken en/of uitlees systeem, alsmede een registratiedrager en opteken en/of uitleesinrichting voor toepassing in een dergelijk systeem.
JP2605311B2 (ja) * 1987-11-27 1997-04-30 ソニー株式会社 光ディスク装置
DE69419215T2 (de) * 1993-09-22 1999-10-14 Victor Company Of Japan Automatisches Orientierungskorrektursystem für optische Plattengeräte
JPH1021571A (ja) * 1996-07-05 1998-01-23 Hitachi Ltd ディスク再生装置の学習制御装置
JPH1125477A (ja) 1997-07-03 1999-01-29 Seiko Epson Corp 光ディスク装置制御方法
KR100271569B1 (ko) * 1997-08-25 2000-11-15 구자홍 편심억압서보방법및이를이용한서보장치
JPH11126444A (ja) * 1997-10-20 1999-05-11 Fujitsu Ltd 磁気ヘッド位置制御方法及び磁気ディスク装置
JP2001014705A (ja) * 1999-06-30 2001-01-19 Ricoh Co Ltd 光ディスク装置
JP2001118271A (ja) * 1999-10-20 2001-04-27 Hitachi Ltd 面ぶれ補正制御方法および偏心補正制御方法およびこれらを用いた光ディスク装置
TW540030B (en) * 1999-11-04 2003-07-01 Koninkl Philips Electronics Nv Device for reproducing and/or recording information on a disc shaped information carrier
US6684114B1 (en) * 2000-03-03 2004-01-27 Tokyo Electron Limited Efficient adaptive feedforward periodic disturbance compensation
JP3693881B2 (ja) * 2000-03-30 2005-09-14 富士通株式会社 ディスク装置のヘッド位置制御方法及び制御装置
DE60102162D1 (de) * 2000-07-12 2004-04-01 Disccontrol Aps Klarup Verfahren zur verbesserten wiedergabe einer digitalen datenplatte
JP2002312965A (ja) 2001-04-18 2002-10-25 Matsushita Electric Ind Co Ltd ディスク偏心補正方法およびディスク偏心補正装置
KR100408288B1 (ko) * 2001-06-20 2003-12-03 삼성전자주식회사 편심 보상을 위한 디스크 드라이브 서보 시스템 및 외란보상 방법
JP3633521B2 (ja) 2001-07-12 2005-03-30 ティアック株式会社 光ディスク装置
KR100829012B1 (ko) * 2001-10-12 2008-05-14 엘지전자 주식회사 광디스크의 트랙킹 제어장치
JP4660055B2 (ja) * 2002-07-03 2011-03-30 東芝ストレージデバイス株式会社 ヘッド位置制御方法、デイスク装置及びサーボトラックライト方法
KR100524977B1 (ko) * 2003-07-24 2005-10-31 삼성전자주식회사 실시간 반복 제어로 트랙킹 에러를 보상하는 광디스크재생장치 및 그 구동 방법

Also Published As

Publication number Publication date
CN101223590B (zh) 2011-06-29
KR20080033401A (ko) 2008-04-16
EP1908065A2 (en) 2008-04-09
WO2007010426A2 (en) 2007-01-25
JP2009501401A (ja) 2009-01-15
US7907482B2 (en) 2011-03-15
CN101223590A (zh) 2008-07-16
US20080279059A1 (en) 2008-11-13
WO2007010426A3 (en) 2007-05-03

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