TW200601305A - Apparatus for reading/writing multilayer optical disc with improved layer jump - Google Patents

Apparatus for reading/writing multilayer optical disc with improved layer jump

Info

Publication number
TW200601305A
TW200601305A TW094105835A TW94105835A TW200601305A TW 200601305 A TW200601305 A TW 200601305A TW 094105835 A TW094105835 A TW 094105835A TW 94105835 A TW94105835 A TW 94105835A TW 200601305 A TW200601305 A TW 200601305A
Authority
TW
Taiwan
Prior art keywords
optical disc
multilayer optical
reading
characteristic value
layer
Prior art date
Application number
TW094105835A
Other languages
English (en)
Inventor
Rain Zhang
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of TW200601305A publication Critical patent/TW200601305A/zh

Links

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
    • 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
    • G11B7/08—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
    • 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
    • G11B7/0908—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 for focusing 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
TW094105835A 2004-03-01 2005-02-25 Apparatus for reading/writing multilayer optical disc with improved layer jump TW200601305A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04300104 2004-03-01

Publications (1)

Publication Number Publication Date
TW200601305A true TW200601305A (en) 2006-01-01

Family

ID=34960727

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094105835A TW200601305A (en) 2004-03-01 2005-02-25 Apparatus for reading/writing multilayer optical disc with improved layer jump

Country Status (6)

Country Link
EP (1) EP1723644A1 (zh)
JP (1) JP2007525786A (zh)
KR (1) KR20060118617A (zh)
CN (1) CN1926614A (zh)
TW (1) TW200601305A (zh)
WO (1) WO2005088617A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100403414C (zh) * 2006-07-14 2008-07-16 威盛电子股份有限公司 光碟片跳层点的设定方法
KR20080071806A (ko) * 2007-01-31 2008-08-05 삼성전자주식회사 광정보저장매체 재생/기록 장치의 포커스 제어 방법 및 그장치
US20110194390A1 (en) * 2010-02-09 2011-08-11 Chia-Tao Hsu Control method for adjusting laser power of laser beam irradiating multi-layer optical storage medium and related controller thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6240054B1 (en) * 1996-05-15 2001-05-29 Pioneer Electronic Corporation Multiple layer disk reproducing apparatus, and apparatus for reproducing information record medium
JP4089177B2 (ja) * 2000-10-25 2008-05-28 株式会社日立製作所 光ディスク装置及び層間ジャンプ方法
JP2002279654A (ja) * 2001-01-11 2002-09-27 Sony Computer Entertainment Inc 光ディスク装置、対物レンズ移動制御方法
JP2003030861A (ja) * 2001-07-16 2003-01-31 Matsushita Electric Ind Co Ltd ディスクドライブ装置

Also Published As

Publication number Publication date
JP2007525786A (ja) 2007-09-06
CN1926614A (zh) 2007-03-07
EP1723644A1 (en) 2006-11-22
WO2005088617A1 (en) 2005-09-22
KR20060118617A (ko) 2006-11-23

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