JP2009532819A - データ記録／再生方法及び装置 - Google Patents

データ記録／再生方法及び装置 Download PDF

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Publication number
JP2009532819A
JP2009532819A JP2009504111A JP2009504111A JP2009532819A JP 2009532819 A JP2009532819 A JP 2009532819A JP 2009504111 A JP2009504111 A JP 2009504111A JP 2009504111 A JP2009504111 A JP 2009504111A JP 2009532819 A JP2009532819 A JP 2009532819A
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JP
Japan
Prior art keywords
signal
recording medium
value
head
interval
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.)
Withdrawn
Application number
JP2009504111A
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English (en)
Japanese (ja)
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JP2009532819A5 (enExample
Inventor
ジョン ギョ ソ
ジョン ウク イ
Original Assignee
エルジー エレクトロニクス インコーポレーテッド
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Publication date
Priority claimed from KR1020060030659A external-priority patent/KR20070099334A/ko
Priority claimed from KR1020060064864A external-priority patent/KR20080006120A/ko
Application filed by エルジー エレクトロニクス インコーポレーテッド filed Critical エルジー エレクトロニクス インコーポレーテッド
Publication of JP2009532819A publication Critical patent/JP2009532819A/ja
Publication of JP2009532819A5 publication Critical patent/JP2009532819A5/ja
Withdrawn legal-status Critical Current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
    • G11B7/085—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
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Head (AREA)
JP2009504111A 2006-04-04 2007-03-13 データ記録／再生方法及び装置 Withdrawn JP2009532819A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020060030659A KR20070099334A (ko) 2006-04-04 2006-04-04 데이터 기록/재생 방법 및 장치
KR1020060064864A KR20080006120A (ko) 2006-07-11 2006-07-11 데이터 기록/재생 방법 및 장치
PCT/KR2007/001223 WO2007114567A1 (en) 2006-04-04 2007-03-13 Data recording/reproducing method and apparatus

Publications (2)

Publication Number Publication Date
JP2009532819A true JP2009532819A (ja) 2009-09-10
JP2009532819A5 JP2009532819A5 (enExample) 2010-04-30

Family

ID=38563816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009504111A Withdrawn JP2009532819A (ja) 2006-04-04 2007-03-13 データ記録／再生方法及び装置

Country Status (4)

Country Link
US (1) US20090175146A1 (enExample)
EP (1) EP2008272A1 (enExample)
JP (1) JP2009532819A (enExample)
WO (1) WO2007114567A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090061803A (ko) * 2007-12-12 2009-06-17 삼성전자주식회사 근접장 갭 풀인 방법 및 그 방법을 수행하는 광 디스크장치
KR20090077145A (ko) 2008-01-10 2009-07-15 삼성전자주식회사 근접장 광기록/재생 장치 및 상기 장치의 갭 에러 신호정규화 방법
KR100958588B1 (ko) * 2008-05-22 2010-05-18 삼성전자주식회사 근접장 광디스크 구동기에서 갭 풀인 방법 및 그와 같은기능을 갖는 광디스크 구동 장치
CN102237100A (zh) * 2010-04-23 2011-11-09 建兴电子科技股份有限公司 近场光学存取系统中的透镜推入方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481360A (en) * 1992-06-19 1996-01-02 Citizen Watch Co., Ltd. Optical device for measuring surface shape
US5781299A (en) * 1996-09-24 1998-07-14 Phase Metrics Determining the complex refractive index phase offset in interferometric flying height testing
US6466537B1 (en) * 1998-03-20 2002-10-15 Seiko Instruments Inc. Recording apparatus
JP2001216602A (ja) * 2000-01-28 2001-08-10 Mitsubishi Chemicals Corp 位置検出信号の記録方法及び装置、情報記録媒体並びに情報記録装置
US7050385B2 (en) * 2000-02-08 2006-05-23 Tosoh Corporation Optical recording medium
JP2002319153A (ja) * 2001-04-19 2002-10-31 Sony Corp 信号再生装置及びその信号検出方法
JP2003263770A (ja) * 2002-03-06 2003-09-19 Sony Corp 光記録再生装置及び光記録媒体
US7206077B2 (en) * 2003-11-20 2007-04-17 International Manufacturing And Engineering Services Co., Ltd. Flying height tester and flying height test method

Also Published As

Publication number Publication date
EP2008272A1 (en) 2008-12-31
WO2007114567A1 (en) 2007-10-11
US20090175146A1 (en) 2009-07-09

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