AU2000251131A1 - Recovery from tracking errors on optical disks - Google Patents

Recovery from tracking errors on optical disks

Info

Publication number
AU2000251131A1
AU2000251131A1 AU2000251131A AU5113100A AU2000251131A1 AU 2000251131 A1 AU2000251131 A1 AU 2000251131A1 AU 2000251131 A AU2000251131 A AU 2000251131A AU 5113100 A AU5113100 A AU 5113100A AU 2000251131 A1 AU2000251131 A1 AU 2000251131A1
Authority
AU
Australia
Prior art keywords
recovery
optical disks
tracking errors
tracking
errors
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.)
Abandoned
Application number
AU2000251131A
Inventor
Young-San Ko
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.)
CNS Co Ltd
Original Assignee
CNS 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 CNS Co Ltd filed Critical CNS Co Ltd
Publication of AU2000251131A1 publication Critical patent/AU2000251131A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • 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
    • G11B7/0946—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 operation during external perturbations not related to the carrier or servo beam, e.g. vibration
    • 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
    • G11B7/0941—Methods and circuits for servo gain or phase compensation during 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
    • G11B7/0948—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 detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
AU2000251131A 2000-03-09 2000-06-12 Recovery from tracking errors on optical disks Abandoned AU2000251131A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR0011788 2000-03-09
KR10-2000-0011788A KR100371592B1 (en) 2000-03-09 2000-03-09 servo apparatus for detecting tracking error in optical disk
PCT/KR2000/000611 WO2001067444A1 (en) 2000-03-09 2000-06-12 Recovery from tracking errors on optical disks

Publications (1)

Publication Number Publication Date
AU2000251131A1 true AU2000251131A1 (en) 2001-09-17

Family

ID=19653615

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000251131A Abandoned AU2000251131A1 (en) 2000-03-09 2000-06-12 Recovery from tracking errors on optical disks

Country Status (3)

Country Link
KR (2) KR200192776Y1 (en)
AU (1) AU2000251131A1 (en)
WO (1) WO2001067444A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100408396B1 (en) * 2001-02-05 2003-12-06 삼성전자주식회사 Method for detecting disc crack and speed control method in the disc drive therefor
KR100964686B1 (en) * 2003-11-14 2010-06-21 엘지전자 주식회사 Method for testing Anti-Contamination of Disk Surface
KR100555553B1 (en) 2004-02-05 2006-03-03 삼성전자주식회사 Apparatus and method for compensating defect of optical disc
JP2008516361A (en) * 2004-10-05 2008-05-15 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Recovery of defocused track focusing on optical disks
KR100964704B1 (en) * 2009-02-25 2010-06-21 엘지전자 주식회사 Method for testing Anti-Contamination of Disk Surface

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63142533A (en) * 1986-12-03 1988-06-14 Fujitsu Ltd Optical recording and reproducing device
JPH02168433A (en) * 1988-12-21 1990-06-28 Alpine Electron Inc Servo circuit for optical disk player
JP2615488B2 (en) * 1989-02-07 1997-05-28 松下電器産業株式会社 Tracking control device for optical recording / reproducing device
US5185631A (en) * 1989-07-18 1993-02-09 Mita Industrial Co., Ltd. Apparatus for uniformly supplying powder with reduced remnant powder
US5742568A (en) * 1995-06-09 1998-04-21 Olympus Optical Co., Ltd. Tracking controller and seek controller for optical recording device
KR100200575B1 (en) * 1996-02-01 1999-06-15 윤종용 A stable servo control method and device for variation of light quantity
US6028826A (en) * 1996-09-18 2000-02-22 Matsushita Electric Industrial Co., Ltd. Optical disk apparatus performing correction of phase difference tracking error signal, adjustment of focus position and process of gain adjustment
KR100373575B1 (en) * 1998-07-20 2003-02-26 인터내셔널 비지네스 머신즈 코포레이션 Adaptive vibration control for servo systems in data storage devices

Also Published As

Publication number Publication date
KR20010087922A (en) 2001-09-26
KR200192776Y1 (en) 2000-08-16
WO2001067444A1 (en) 2001-09-13
KR100371592B1 (en) 2003-02-14

Similar Documents

Publication Publication Date Title
AU2002222102A1 (en) Optical tracking systems
AU2001237986A1 (en) Opportunity tracking information system
AU2003206995A1 (en) Psk optical signal demodulator
AU2002229003A1 (en) Disk drive data protection using clusters containing error detection sectors
AU2001275300A1 (en) Disk drive array system
AU2002219540A1 (en) Optical recording medium
HK1042106A1 (en) Adhesive for optical disks.
AU2002321468A1 (en) Optical media detection system
EP1304691A3 (en) Optical information medium
AU4692801A (en) Optical recording medium
AU2003268736A1 (en) Optical recording medium
AU2001255674A1 (en) Miniature optical disk for data storage
AU2002355023A1 (en) Optical recording medium
AU2000251131A1 (en) Recovery from tracking errors on optical disks
AU2003240948A1 (en) Assertion-based transaction recording
AU2003236266A1 (en) Optical recording medium
AU2003235338A1 (en) Optical recording medium
AU4868201A (en) Tracking system
AU2001288044A1 (en) Optical disk
AU2003282901A1 (en) Optical recording medium
AU2003282899A1 (en) Optical recording medium
AU4777800A (en) Optical disk storage case
AU2003280153A1 (en) Writable optical record carrier
AU2001256991A1 (en) Optical information medium
AU3183201A (en) Method for optical data recording