ID30243A - Peralatan disk optik dan metoda kontrol penahan runutannya - Google Patents

Peralatan disk optik dan metoda kontrol penahan runutannya

Info

Publication number
ID30243A
ID30243A IDW00200102087A ID20012087A ID30243A ID 30243 A ID30243 A ID 30243A ID W00200102087 A IDW00200102087 A ID W00200102087A ID 20012087 A ID20012087 A ID 20012087A ID 30243 A ID30243 A ID 30243A
Authority
ID
Indonesia
Prior art keywords
holding
control
optical disk
disk equipment
equipment
Prior art date
Application number
IDW00200102087A
Other languages
English (en)
Inventor
Toshihiko Kaji
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of ID30243A publication Critical patent/ID30243A/id

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
    • G11B7/085—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
    • G11B7/085—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
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in 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
    • G11B7/0945—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
    • G11B7/095—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
    • 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
    • G11B7/0901—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 track following only
IDW00200102087A 1999-12-27 2000-12-04 Peralatan disk optik dan metoda kontrol penahan runutannya ID30243A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP36855599A JP2001184672A (ja) 1999-12-27 1999-12-27 光ディスク装置およびそのトラックホールド制御方法

Publications (1)

Publication Number Publication Date
ID30243A true ID30243A (id) 2001-11-15

Family

ID=18492133

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW00200102087A ID30243A (id) 1999-12-27 2000-12-04 Peralatan disk optik dan metoda kontrol penahan runutannya

Country Status (7)

Country Link
US (1) US20020159346A1 (id)
JP (1) JP2001184672A (id)
KR (1) KR100452676B1 (id)
CN (1) CN1170276C (id)
ID (1) ID30243A (id)
TW (1) TW514901B (id)
WO (1) WO2001048743A1 (id)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3538395B2 (ja) 2001-05-18 2004-06-14 シャープ株式会社 光ディスク装置
JP2003066300A (ja) * 2001-08-29 2003-03-05 Sony Corp 対物レンズ製造装置及び対物レンズ製造方法
CN100390876C (zh) * 2005-06-30 2008-05-28 广明光电股份有限公司 光驱跳轨控制方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0254427A (ja) * 1988-08-18 1990-02-23 Fujitsu Ltd 光ディスクの待機方法
JPH05109101A (ja) * 1991-10-16 1993-04-30 Fujitsu Ltd 光デイスク装置の偏心補正回路
JP2757680B2 (ja) * 1992-05-13 1998-05-25 松下電器産業株式会社 トラックジャンプ装置
JPH0676311A (ja) * 1992-08-18 1994-03-18 Omron Corp 光学的情報処理装置
US6552973B1 (en) * 1998-08-21 2003-04-22 Lg Electronics Inc. Apparatus and method for servo control in an optical disk driver

Also Published As

Publication number Publication date
JP2001184672A (ja) 2001-07-06
KR100452676B1 (ko) 2004-10-14
CN1170276C (zh) 2004-10-06
WO2001048743A1 (en) 2001-07-05
US20020159346A1 (en) 2002-10-31
TW514901B (en) 2002-12-21
KR20010102379A (ko) 2001-11-15
CN1341257A (zh) 2002-03-20

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