JP2004055058A - 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 - Google Patents

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 Download PDF

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Publication number
JP2004055058A
JP2004055058A JP2002212146A JP2002212146A JP2004055058A JP 2004055058 A JP2004055058 A JP 2004055058A JP 2002212146 A JP2002212146 A JP 2002212146A JP 2002212146 A JP2002212146 A JP 2002212146A JP 2004055058 A JP2004055058 A JP 2004055058A
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JP
Japan
Prior art keywords
disk
unbalanced
push
pull signal
light
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.)
Pending
Application number
JP2002212146A
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English (en)
Japanese (ja)
Other versions
JP2004055058A5 (enExample
Inventor
Kenichi Ono
大野　憲一
Keiji Ogura
小倉　啓二
Akira Harada
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
Original Assignee
Pioneer Electronic 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.)
Filing date
Publication date
Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP2002212146A priority Critical patent/JP2004055058A/ja
Priority to US10/618,692 priority patent/US20040013066A1/en
Priority to CNB031786855A priority patent/CN1267903C/zh
Publication of JP2004055058A publication Critical patent/JP2004055058A/ja
Publication of JP2004055058A5 publication Critical patent/JP2004055058A5/ja
Pending legal-status Critical Current

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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
    • G11B7/09—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)
JP2002212146A 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 Pending JP2004055058A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
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
US10/618,692 US20040013066A1 (en) 2002-07-22 2003-07-15 Unbalance disc detection apparatus and unbalance disc detection method
CNB031786855A 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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
JP2004055058A true JP2004055058A (ja) 2004-02-19
JP2004055058A5 JP2004055058A5 (enExample) 2005-10-13

Family

ID=30437603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002212146A Pending 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

Country Status (3)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR100925218B1 (ko) * 2008-02-01 2009-11-06 주식회사 히타치엘지 데이터 스토리지 코리아 언밸런스 디스크 판별 장치 및 방법

Families Citing this family (8)

* 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
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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR100925218B1 (ko) * 2008-02-01 2009-11-06 주식회사 히타치엘지 데이터 스토리지 코리아 언밸런스 디스크 판별 장치 및 방법

Also Published As

Publication number Publication date
US20040013066A1 (en) 2004-01-22
CN1480927A (zh) 2004-03-10
CN1267903C (zh) 2006-08-02

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