ID28127A - Peralatan disk - Google Patents

Peralatan disk

Info

Publication number
ID28127A
ID28127A IDP20000701D ID20000701D ID28127A ID 28127 A ID28127 A ID 28127A ID P20000701 D IDP20000701 D ID P20000701D ID 20000701 D ID20000701 D ID 20000701D ID 28127 A ID28127 A ID 28127A
Authority
ID
Indonesia
Prior art keywords
disk equipment
disk
equipment
Prior art date
Application number
IDP20000701D
Other languages
English (en)
Inventor
Tadashi Okajima
Toshihide Hamaguchi
Original Assignee
Sanyo Electric Co
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 Sanyo Electric Co filed Critical Sanyo Electric Co
Publication of ID28127A publication Critical patent/ID28127A/id

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
    • 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
    • G11B7/0908—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
    • 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
    • G11B7/0956—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 tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
IDP20000701D 1999-08-24 2000-08-23 Peralatan disk ID28127A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11236380A JP2001060326A (ja) 1999-08-24 1999-08-24 ディスク装置

Publications (1)

Publication Number Publication Date
ID28127A true ID28127A (id) 2001-05-03

Family

ID=16999939

Family Applications (1)

Application Number Title Priority Date Filing Date
IDP20000701D ID28127A (id) 1999-08-24 2000-08-23 Peralatan disk

Country Status (5)

Country Link
US (1) US6529455B1 (id)
EP (1) EP1079378B1 (id)
JP (1) JP2001060326A (id)
DE (1) DE60012099T2 (id)
ID (1) ID28127A (id)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
JP4226508B2 (ja) * 2004-03-30 2009-02-18 富士通株式会社 光デイスク装置のレンズポジションセンサの出力調整方法及び光デイスク装置
TWI303807B (en) * 2004-09-22 2008-12-01 Lite On It Corp An optical disk drive for compensating wobble signal and method thereof
TWI299493B (en) * 2004-09-23 2008-08-01 Lite On It Corp An optical disk drive for compensating wobble signal and method thereof
US20090122686A1 (en) * 2005-02-04 2009-05-14 Koninklijke Philips Electronics, N.V. Method of focus capture in an optical drive
US7974167B2 (en) * 2006-12-26 2011-07-05 Panasonic Corporation Optical disc apparatus, optical information equipment with the optical disc apparatus, and focusing control LSI in the optical disc apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0610877B2 (ja) 1989-03-31 1994-02-09 日本ビクター株式会社 オートフォーカス回路
US5113384A (en) 1989-09-25 1992-05-12 Hewlett-Packard Company Focus capture method for magneto-optic disk drives
US5233585A (en) 1991-09-11 1993-08-03 International Business Machines Corporation Acquiring focus in an optical disk system using a time and shape modified focus error signal
EP0618569B1 (en) 1993-04-02 1999-06-02 Sony Corporation Focusing servo system and focus servo acquisition enable method
JPH09204674A (ja) * 1996-01-26 1997-08-05 Canon Inc 光学的情報記録再生装置
KR0185953B1 (ko) * 1996-06-29 1999-04-15 김광호 Dvd시스템의 dvd/cd 판별방법
JP3563239B2 (ja) * 1997-07-10 2004-09-08 パイオニア株式会社 フォーカス制御装置
US6208597B1 (en) * 1997-11-28 2001-03-27 Pioneer Electronic Corporation Transfer control system of information read beam

Also Published As

Publication number Publication date
EP1079378A2 (en) 2001-02-28
EP1079378A3 (en) 2002-06-19
US6529455B1 (en) 2003-03-04
EP1079378B1 (en) 2004-07-14
DE60012099T2 (de) 2005-08-18
DE60012099D1 (de) 2004-08-19
JP2001060326A (ja) 2001-03-06

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