CN1267903C - 不平衡盘片检测设备以及不平衡盘片检测方法 - Google Patents

不平衡盘片检测设备以及不平衡盘片检测方法 Download PDF

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Publication number
CN1267903C
CN1267903C CNB031786855A CN03178685A CN1267903C CN 1267903 C CN1267903 C CN 1267903C CN B031786855 A CNB031786855 A CN B031786855A CN 03178685 A CN03178685 A CN 03178685A CN 1267903 C CN1267903 C CN 1267903C
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CN
China
Prior art keywords
disc
non equilibrium
push
equilibrium disk
pull signal
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.)
Expired - Fee Related
Application number
CNB031786855A
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English (en)
Chinese (zh)
Other versions
CN1480927A (zh
Inventor
大野宪一
小仓启二
原田亮
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.)
Pioneer Corp
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Pioneer Corp
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.)
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Publication date
Application filed by Pioneer Corp filed Critical Pioneer Corp
Publication of CN1480927A publication Critical patent/CN1480927A/zh
Application granted granted Critical
Publication of CN1267903C publication Critical patent/CN1267903C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
CNB031786855A 2002-07-22 2003-07-22 不平衡盘片检测设备以及不平衡盘片检测方法 Expired - Fee Related CN1267903C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP212146/02 2002-07-22
JP212146/2002 2002-07-22
JP2002212146A JP2004055058A (ja) 2002-07-22 2002-07-22 アンバランスディスク検出装置およびアンバランスディスク検出方法

Publications (2)

Publication Number Publication Date
CN1480927A CN1480927A (zh) 2004-03-10
CN1267903C true CN1267903C (zh) 2006-08-02

Family

ID=30437603

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB031786855A Expired - Fee Related CN1267903C (zh) 2002-07-22 2003-07-22 不平衡盘片检测设备以及不平衡盘片检测方法

Country Status (3)

Country Link
US (1) US20040013066A1 (enExample)
JP (1) JP2004055058A (enExample)
CN (1) CN1267903C (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI229746B (en) * 2003-11-20 2005-03-21 Delta Electronics Inc Anti-vibration apparatus and related method thereof for rotating disks
TWI261227B (en) * 2004-03-02 2006-09-01 Lite On It Corp Method for detecting unbalanced disc
CN1297958C (zh) * 2004-03-11 2007-01-31 建兴电子科技股份有限公司 不平衡盘片检测方法
KR100564619B1 (ko) * 2004-03-16 2006-03-28 삼성전자주식회사 디스크 기록 가능 용량 지정 방법 및 그를 적용한 광디스크 기록 장치
CN100452177C (zh) * 2004-07-28 2009-01-14 建兴电子科技股份有限公司 不平衡盘片检测方法
JP4579803B2 (ja) * 2005-09-15 2010-11-10 東芝サムスン ストレージ・テクノロジー株式会社 光ディスク装置
JP2009059406A (ja) * 2007-08-30 2009-03-19 Hitachi-Lg Data Storage Inc 光ディスク装置及びパラメータ選択方法
KR100925218B1 (ko) * 2008-02-01 2009-11-06 주식회사 히타치엘지 데이터 스토리지 코리아 언밸런스 디스크 판별 장치 및 방법
CN101727928A (zh) * 2008-10-24 2010-06-09 飞利浦建兴数位科技股份有限公司 不平衡盘片的判断方法
KR101255343B1 (ko) 2011-06-16 2013-04-16 도시바삼성스토리지테크놀러지코리아 주식회사 언밸런스 디스크 판별 장치 및 방법, 이를 적용한 광정보저장매체 시스템

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000039575A (ko) * 1998-12-11 2000-07-05 구자홍 광디스크의 상하 편심량을 보상하는 서보제어장치 및 방법
KR20000061687A (ko) * 1999-03-30 2000-10-25 구자홍 광 디스크 재생배속 제어장치 및 제어방법

Also Published As

Publication number Publication date
US20040013066A1 (en) 2004-01-22
JP2004055058A (ja) 2004-02-19
CN1480927A (zh) 2004-03-10

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