ATE341813T1 - Gerät zum messen der exzentrizität einer scheibe - Google Patents

Gerät zum messen der exzentrizität einer scheibe

Info

Publication number
ATE341813T1
ATE341813T1 AT00118751T AT00118751T ATE341813T1 AT E341813 T1 ATE341813 T1 AT E341813T1 AT 00118751 T AT00118751 T AT 00118751T AT 00118751 T AT00118751 T AT 00118751T AT E341813 T1 ATE341813 T1 AT E341813T1
Authority
AT
Austria
Prior art keywords
eccentricity
disk
measuring
tracking
tracks
Prior art date
Application number
AT00118751T
Other languages
English (en)
Inventor
Shuichi Fukuda
Original Assignee
Sony Mfg Systems 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 Sony Mfg Systems Corp filed Critical Sony Mfg Systems Corp
Application granted granted Critical
Publication of ATE341813T1 publication Critical patent/ATE341813T1/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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • G11B7/00375—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs arrangements for detection of physical defects, e.g. of recording layer
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Rotational Drive Of Disk (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Length Measuring Devices By Optical Means (AREA)
AT00118751T 1999-09-02 2000-08-30 Gerät zum messen der exzentrizität einer scheibe ATE341813T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24891499A JP2001076361A (ja) 1999-09-02 1999-09-02 ディスクの偏芯量の測定方法及び測定装置

Publications (1)

Publication Number Publication Date
ATE341813T1 true ATE341813T1 (de) 2006-10-15

Family

ID=17185311

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00118751T ATE341813T1 (de) 1999-09-02 2000-08-30 Gerät zum messen der exzentrizität einer scheibe

Country Status (5)

Country Link
US (1) US6711109B1 (de)
EP (1) EP1081691B1 (de)
JP (1) JP2001076361A (de)
AT (1) ATE341813T1 (de)
DE (1) DE60031058T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4204245B2 (ja) * 2002-03-29 2009-01-07 パナソニック株式会社 情報ディスク記録再生装置およびその記録再生速度制御方法
US8767337B2 (en) * 2006-04-17 2014-07-01 Seagate Technology Disk-synchronized loading/unloading of magnetic head
JP2008299963A (ja) * 2007-05-31 2008-12-11 Hitachi Ltd 光ディスク装置並びにトラッキングおよびスライダ制御方法
JP5182536B2 (ja) * 2010-07-07 2013-04-17 パルステック工業株式会社 スタンパー偏心量測定方法
JP5695410B2 (ja) * 2010-12-20 2015-04-08 株式会社ミツトヨ 角度検出装置およびその偏心量推定方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100292038B1 (ko) * 1992-12-04 2001-06-01 이데이 노부유끼 디스크장치
EP0649132B1 (de) * 1993-09-28 1999-11-24 Sony Corporation Gerät zum Messen der Exzentrizität einer Scheibe, Verfahren dazu und Aufzeichnungs- und/oder Wiedergabegerät für scheibenförmiges Aufzeichnungsmedium
JP3253535B2 (ja) * 1996-09-20 2002-02-04 富士通株式会社 ディスク装置のヘッド位置決め制御装置及び磁気ディスク装置
US6304528B1 (en) * 1998-07-31 2001-10-16 Matsushita Electric Industrial Co., Ltd. Optical disk reproducing apparatus
JP3856418B2 (ja) * 1998-09-10 2006-12-13 パイオニア株式会社 記録媒体プレーヤのサーボ装置
JP3963591B2 (ja) * 1998-09-18 2007-08-22 パイオニア株式会社 トラッキングエラー信号補正回路およびトラッキングエラー信号補正方法

Also Published As

Publication number Publication date
EP1081691B1 (de) 2006-10-04
EP1081691A3 (de) 2004-07-28
JP2001076361A (ja) 2001-03-23
DE60031058T2 (de) 2007-05-10
EP1081691A2 (de) 2001-03-07
DE60031058D1 (de) 2006-11-16
US6711109B1 (en) 2004-03-23

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