DE602005009949D1 - Chen speichersystem - Google Patents

Chen speichersystem

Info

Publication number
DE602005009949D1
DE602005009949D1 DE602005009949T DE602005009949T DE602005009949D1 DE 602005009949 D1 DE602005009949 D1 DE 602005009949D1 DE 602005009949 T DE602005009949 T DE 602005009949T DE 602005009949 T DE602005009949 T DE 602005009949T DE 602005009949 D1 DE602005009949 D1 DE 602005009949D1
Authority
DE
Germany
Prior art keywords
readout
isi
spots
bit
spot
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
DE602005009949T
Other languages
English (en)
Inventor
Dominique M Bruls
Der Lee Alexander M Van
Christopher Busch
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602005009949D1 publication Critical patent/DE602005009949D1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/013—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • G11B7/0053—Reproducing non-user data, e.g. wobbled address, prepits, BCA
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
DE602005009949T 2004-05-13 2005-05-11 Chen speichersystem Expired - Fee Related DE602005009949D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04102106 2004-05-13
PCT/IB2005/051541 WO2005112011A1 (en) 2004-05-13 2005-05-11 Spot aberrations in a two-dimensional optical storage system

Publications (1)

Publication Number Publication Date
DE602005009949D1 true DE602005009949D1 (de) 2008-11-06

Family

ID=34967716

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005009949T Expired - Fee Related DE602005009949D1 (de) 2004-05-13 2005-05-11 Chen speichersystem

Country Status (9)

Country Link
US (1) US20080008061A1 (de)
EP (1) EP1751751B1 (de)
JP (1) JP2007537559A (de)
KR (1) KR20070012850A (de)
CN (1) CN100481218C (de)
AT (1) ATE409340T1 (de)
DE (1) DE602005009949D1 (de)
TW (1) TW200614205A (de)
WO (1) WO2005112011A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4727620B2 (ja) * 2007-05-11 2011-07-20 シャープ株式会社 光再生装置
KR101575072B1 (ko) * 2014-10-21 2015-12-07 숭실대학교산학협력단 2차원 데이터 구조에서 심볼 간 간섭을 보상하는 방법 및 장치, 이를 수행하기 위한 기록매체

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5491678A (en) * 1990-05-25 1996-02-13 Hitachi, Ltd. Method and apparatus for recording/reproducing information data in a two-dimensional format
US5774444A (en) * 1990-05-25 1998-06-30 Hitachi, Ltd. Split photo detector for detecting a central portion and a peripheral portion of a reflected light beam
US5483511A (en) * 1993-02-17 1996-01-09 Vixel Corporation Multiple beam optical memory system with solid-state lasers
JP3224901B2 (ja) * 1993-05-06 2001-11-05 パイオニア株式会社 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
JP3267752B2 (ja) * 1993-07-05 2002-03-25 パイオニア株式会社 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
US5619487A (en) * 1994-08-10 1997-04-08 Nippon Telegraph And Telephone Corporation Optical data readout with two beams on three tracks
US5808988A (en) * 1995-02-15 1998-09-15 Hitachi, Ltd. Reproduction of optical information by one-beam optics with reduced crosstalk as recorded in multi-phases and multi-levels at staggered lattice points, and apparatus and recording medium therefor
US5959953A (en) * 1996-07-03 1999-09-28 Zen Research Nv Methods and apparatus for performing cross-talk correction in a multi-track optical disk reader based on magnification error
JP2001167435A (ja) * 1999-12-03 2001-06-22 Fujitsu Ltd 光ディスク記録方法及び光ディスク再生方法並びにその方法を利用した光記録媒体、光ディスク装置
US6940805B2 (en) * 2001-10-23 2005-09-06 Dragsholm Wireless Holdings Llc Methods and apparatus for cross-talk and jitter reduction in multi-beam optical disks
JP2005521983A (ja) * 2002-03-29 2005-07-21 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 光記録媒体のための書き込み方式

Also Published As

Publication number Publication date
WO2005112011A1 (en) 2005-11-24
KR20070012850A (ko) 2007-01-29
US20080008061A1 (en) 2008-01-10
ATE409340T1 (de) 2008-10-15
CN100481218C (zh) 2009-04-22
JP2007537559A (ja) 2007-12-20
EP1751751A1 (de) 2007-02-14
TW200614205A (en) 2006-05-01
CN1954373A (zh) 2007-04-25
EP1751751B1 (de) 2008-09-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee