TW337580B - Disc reproducing method and disc reproducing apparatus - Google Patents

Disc reproducing method and disc reproducing apparatus

Info

Publication number
TW337580B
TW337580B TW086109527A TW86109527A TW337580B TW 337580 B TW337580 B TW 337580B TW 086109527 A TW086109527 A TW 086109527A TW 86109527 A TW86109527 A TW 86109527A TW 337580 B TW337580 B TW 337580B
Authority
TW
Taiwan
Prior art keywords
disc reproducing
disc
reproducing apparatus
reproducing method
detection
Prior art date
Application number
TW086109527A
Other languages
English (en)
Inventor
Hirotoshi Fukuda
Ichinaga Narita
Kiyonobu Teramoto
Hiroichi Ishibashi
Toshihiro Matsunaga
Original Assignee
Hitachi Ltd
Hitachi Gazo Jyoho Hoshiki Kk
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
Priority claimed from JP19433896A external-priority patent/JPH1040640A/ja
Priority claimed from JP29265296A external-priority patent/JP3459864B2/ja
Application filed by Hitachi Ltd, Hitachi Gazo Jyoho Hoshiki Kk filed Critical Hitachi Ltd
Application granted granted Critical
Publication of TW337580B publication Critical patent/TW337580B/zh

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
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • G11B19/2027—Turntables or rotors incorporating balancing means; Means for detecting imbalance
    • 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
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G11B19/041—Detection or prevention of read or write errors
    • G11B19/042—Detection or prevention of read or write errors due to external shock or vibration
    • 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
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • 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
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2525—Magneto-optical [MO] discs
    • G11B2220/2529—Mini-discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Testing Of Balance (AREA)
TW086109527A 1996-07-24 1997-07-07 Disc reproducing method and disc reproducing apparatus TW337580B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19433896A JPH1040640A (ja) 1996-07-24 1996-07-24 ディスク再生方法およびディスク再生装置
JP29265296A JP3459864B2 (ja) 1996-11-05 1996-11-05 偏重心ディスク検出方法，ディスク再生装置及び再生方法

Publications (1)

Publication Number Publication Date
TW337580B true TW337580B (en) 1998-08-01

Family

ID=26508444

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086109527A TW337580B (en) 1996-07-24 1997-07-07 Disc reproducing method and disc reproducing apparatus

Country Status (3)

Country Link
US (2) US6351440B1 (zh)
KR (1) KR980011089A (zh)
TW (1) TW337580B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8050161B2 (en) 2007-05-16 2011-11-01 Teac Corporation Optical disk drive

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JP2001195851A (ja) * 2000-01-17 2001-07-19 Internatl Business Mach Corp <Ibm> サーボ情報検知タイミングの制御方法、ディスク回転速度の制御方法、およびディスク装置
US6639883B1 (en) * 2000-10-24 2003-10-28 Data Stream Info Inc Apparatus and method utilized in personal computer for control of disk drive rate to reduce its noise and vibration
JP2003091983A (ja) * 2001-09-18 2003-03-28 Mitsumi Electric Co Ltd 記録再生装置
JP2003203349A (ja) * 2001-10-26 2003-07-18 Shinano Kenshi Co Ltd 光ディスク記録再生装置
TWI266284B (en) * 2001-11-29 2006-11-11 Via Tech Inc Eccentric amount measuring-method of optical disc and rotation speed control method of CD-ROM drive
KR100413690B1 (ko) * 2001-12-07 2004-01-03 삼성전자주식회사 광 기록 매체 재생 방법
KR100459705B1 (ko) * 2002-03-12 2004-12-04 삼성전자주식회사 디스크 구동기에 있어서 진동 제거 방법 및 장치
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
US7299141B2 (en) * 2002-12-05 2007-11-20 Hewlett-Packard Development Company, L.P. System and method for controlling vibration
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TWI247278B (en) * 2004-09-03 2006-01-11 Benq Corp Method and disc reading device for detecting unbalanced disc
JP4512198B2 (ja) * 2006-10-02 2010-07-28 株式会社日立エルジーデータストレージ 光ディスク装置とそのディスク回転速度制御方法
JP2008287781A (ja) * 2007-05-16 2008-11-27 Teac Corp 光ディスク装置
US8254050B2 (en) * 2009-06-25 2012-08-28 Oracle America, Inc. System and method for determining vibration of at least one hard disk drive
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8050161B2 (en) 2007-05-16 2011-11-01 Teac Corporation Optical disk drive

Also Published As

Publication number Publication date
US6351440B1 (en) 2002-02-26
US6631105B1 (en) 2003-10-07
KR980011089A (ko) 1998-04-30

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MK4A Expiration of patent term of an invention patent