KR20070116833A - 광 디스크 드라이브 시스템에서 디스크 런아웃을 제어하는장치 및 방법 - Google Patents

광 디스크 드라이브 시스템에서 디스크 런아웃을 제어하는장치 및 방법 Download PDF

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Publication number
KR20070116833A
KR20070116833A KR1020077022005A KR20077022005A KR20070116833A KR 20070116833 A KR20070116833 A KR 20070116833A KR 1020077022005 A KR1020077022005 A KR 1020077022005A KR 20077022005 A KR20077022005 A KR 20077022005A KR 20070116833 A KR20070116833 A KR 20070116833A
Authority
KR
South Korea
Prior art keywords
disk
disc
field lens
runout
control 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.)
Withdrawn
Application number
KR1020077022005A
Other languages
English (en)
Korean (ko)
Inventor
코엔 에이. 페르슈렌
Original Assignee
코닌클리케 필립스 일렉트로닉스 엔.브이.
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 코닌클리케 필립스 일렉트로닉스 엔.브이. filed Critical 코닌클리케 필립스 일렉트로닉스 엔.브이.
Publication of KR20070116833A publication Critical patent/KR20070116833A/ko
Withdrawn legal-status Critical Current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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • G11B7/0956—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 tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
KR1020077022005A 2005-02-28 2006-02-14 광 디스크 드라이브 시스템에서 디스크 런아웃을 제어하는장치 및 방법 Withdrawn KR20070116833A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05101517.0 2005-02-28
EP05101517 2005-02-28

Publications (1)

Publication Number Publication Date
KR20070116833A true KR20070116833A (ko) 2007-12-11

Family

ID=36320212

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020077022005A Withdrawn KR20070116833A (ko) 2005-02-28 2006-02-14 광 디스크 드라이브 시스템에서 디스크 런아웃을 제어하는장치 및 방법

Country Status (8)

Country Link
US (1) US20080186811A1 (https=)
EP (1) EP1856694A1 (https=)
JP (1) JP2008532198A (https=)
KR (1) KR20070116833A (https=)
CN (1) CN101128872A (https=)
MY (1) MY177081A (https=)
TW (1) TW200641857A (https=)
WO (1) WO2006090303A1 (https=)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68923833T2 (de) * 1988-06-20 1996-06-13 Mitsubishi Electric Corp Optischer Kopf mit Kippkorrekturservomechanismus.
JP2747332B2 (ja) * 1989-07-05 1998-05-06 三菱電機株式会社 光ヘッド
MY132591A (en) * 1995-10-26 2007-10-31 Sony Corp Optical disc apparatus.
JPH10177729A (ja) * 1996-12-16 1998-06-30 Nec Corp 光ヘッドチルト装置
JPH1116186A (ja) 1997-06-26 1999-01-22 Sharp Corp 光ピックアップ装置
US6151174A (en) * 1997-10-06 2000-11-21 U.S. Philips Corporation Device for optically scanning a record carrier
KR20010093031A (ko) * 2000-03-28 2001-10-27 구자홍 광 픽업 엑츄에이터
JP2004005819A (ja) * 2002-05-31 2004-01-08 Toshiba Corp 光ディスク装置
KR100911141B1 (ko) * 2002-09-03 2009-08-06 삼성전자주식회사 틸트에 따른 파면수차 보정 기능을 갖는 렌즈 및 광픽업
JP2004103189A (ja) * 2002-09-13 2004-04-02 Hitachi Ltd 光ピックアップ装置及び光ディスク装置
US7002886B2 (en) 2002-11-22 2006-02-21 Industrial Technology Research Institute SIL near-field flying head structure to control gap between disc and SIL with three sensor points in front of lens holder
US7733747B2 (en) * 2003-01-17 2010-06-08 Sony Corporation Information recording or reproducing device and recording or reproducing method
JP2005259329A (ja) * 2004-02-12 2005-09-22 Sony Corp チルト制御方法及び光ディスク装置。

Also Published As

Publication number Publication date
WO2006090303A1 (en) 2006-08-31
MY177081A (en) 2020-09-04
EP1856694A1 (en) 2007-11-21
US20080186811A1 (en) 2008-08-07
JP2008532198A (ja) 2008-08-14
CN101128872A (zh) 2008-02-20
TW200641857A (en) 2006-12-01

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