DE602006016805D1 - Aktor-kalibration unter verwendung eines fokusfehlersignals - Google Patents

Aktor-kalibration unter verwendung eines fokusfehlersignals

Info

Publication number
DE602006016805D1
DE602006016805D1 DE602006016805T DE602006016805T DE602006016805D1 DE 602006016805 D1 DE602006016805 D1 DE 602006016805D1 DE 602006016805 T DE602006016805 T DE 602006016805T DE 602006016805 T DE602006016805 T DE 602006016805T DE 602006016805 D1 DE602006016805 D1 DE 602006016805D1
Authority
DE
Germany
Prior art keywords
actor
calibration
error signal
focus error
focus
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
DE602006016805T
Other languages
English (en)
Inventor
Darwin M Hanks
Brocklin Andrew L Van
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Development Co LP
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 Hewlett Packard Development Co LP filed Critical Hewlett Packard Development Co LP
Publication of DE602006016805D1 publication Critical patent/DE602006016805D1/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
    • G11B7/09—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
    • G11B7/0945—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
    • G11B7/002—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
    • 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
    • G11B7/0908—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 for focusing only
DE602006016805T 2005-07-12 2006-07-07 Aktor-kalibration unter verwendung eines fokusfehlersignals Active DE602006016805D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/179,190 US7768878B2 (en) 2005-07-12 2005-07-12 Actuator calibration using a focus error signal
PCT/US2006/026425 WO2007008628A1 (en) 2005-07-12 2006-07-07 Actuator calibration using a focus error signal

Publications (1)

Publication Number Publication Date
DE602006016805D1 true DE602006016805D1 (de) 2010-10-21

Family

ID=37106656

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006016805T Active DE602006016805D1 (de) 2005-07-12 2006-07-07 Aktor-kalibration unter verwendung eines fokusfehlersignals

Country Status (6)

Country Link
US (1) US7768878B2 (de)
EP (1) EP1908062B1 (de)
KR (1) KR20080033256A (de)
CN (1) CN101223587B (de)
DE (1) DE602006016805D1 (de)
WO (1) WO2007008628A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9544180B2 (en) * 2007-08-31 2017-01-10 Qualcomm Incorporated Techniques for group messaging on a mobile computing device
TW201104680A (en) * 2009-07-28 2011-02-01 Quanta Storage Inc Method for calibrating focus error signal of lightscribe disc
US20120236702A1 (en) * 2010-06-21 2012-09-20 Yao-Lung Chuang Method of controlling mechanical mechanisms of electronic device for peak power/current reduction
CN102854699B (zh) * 2011-06-29 2016-11-16 马克西姆综合产品公司 用于摄像模块中的自动聚焦致动器的自校准振铃补偿

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2701406B2 (ja) * 1989-01-09 1998-01-21 ソニー株式会社 光ディスク装置のサーボオートゲインコントロール回路
FR2731808B1 (fr) * 1995-03-14 1997-04-11 Thomson Csf Systeme de reglage de focalisation optique
US6813226B2 (en) 2001-01-25 2004-11-02 Dphi Acquisitions, Inc. Calibration of a focus sum threshold in a focus servo system
US6977873B2 (en) 2001-01-25 2005-12-20 Dphi Acquisitions, Inc. System and method to adjust the level of re-calibration effort based on disc drive performance
JP4223811B2 (ja) * 2001-02-22 2009-02-12 パナソニック株式会社 光ディスク装置
JP3956756B2 (ja) 2001-10-31 2007-08-08 ヤマハ株式会社 光ディスク記録装置
CN1464741A (zh) * 2002-06-26 2003-12-31 力捷电脑股份有限公司 影像扫描装置的聚焦寻找方法
JP4152257B2 (ja) 2003-05-26 2008-09-17 三洋電機株式会社 光ディスク用オフセット調整回路、集積回路、光ディスク装置、及びオフセット調整方法
JP2005063566A (ja) * 2003-08-13 2005-03-10 Funai Electric Co Ltd 光ディスク再生装置
TWI236008B (en) * 2003-12-02 2005-07-11 Mediatek Inc Method and apparatus for measuring a displacement gain in an optical storage device
US7315493B2 (en) * 2004-01-30 2008-01-01 Hewlett-Packard Development Company, L.P. Apparatus and method for calibrating a laser imagible apparatus
US7298677B2 (en) * 2004-07-28 2007-11-20 Hewlett-Packard Development Company, L.P. Optical disc drive apparatus and method
US7514661B2 (en) 2005-01-04 2009-04-07 Hewlett-Packard Development Company, L.P. Focus calibration in an optical drive

Also Published As

Publication number Publication date
WO2007008628A1 (en) 2007-01-18
EP1908062A1 (de) 2008-04-09
US20070014202A1 (en) 2007-01-18
CN101223587A (zh) 2008-07-16
KR20080033256A (ko) 2008-04-16
CN101223587B (zh) 2011-08-10
EP1908062B1 (de) 2010-09-08
US7768878B2 (en) 2010-08-03

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