DE69833672D1 - Optische abtastvorrichtung - Google Patents

Optische abtastvorrichtung

Info

Publication number
DE69833672D1
DE69833672D1 DE69833672T DE69833672T DE69833672D1 DE 69833672 D1 DE69833672 D1 DE 69833672D1 DE 69833672 T DE69833672 T DE 69833672T DE 69833672 T DE69833672 T DE 69833672T DE 69833672 D1 DE69833672 D1 DE 69833672D1
Authority
DE
Germany
Prior art keywords
sensing device
optical sensing
optical
sensing
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
DE69833672T
Other languages
English (en)
Other versions
DE69833672T2 (de
Inventor
Howard Coombs
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
Application granted granted Critical
Publication of DE69833672D1 publication Critical patent/DE69833672D1/de
Publication of DE69833672T2 publication Critical patent/DE69833672T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B7/12—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
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • 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
    • G11B7/0901—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 track following 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
    • G11B7/09—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
    • G11B7/08—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
    • G11B7/0912—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 by push-pull method
    • 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
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • 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
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
DE69833672T 1997-11-07 1998-10-29 Optische abtastvorrichtung Expired - Fee Related DE69833672T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97203460 1997-11-07
EP97203460 1997-11-07
PCT/IB1998/001727 WO1999024974A2 (en) 1997-11-07 1998-10-29 Optical scanning device

Publications (2)

Publication Number Publication Date
DE69833672D1 true DE69833672D1 (de) 2006-04-27
DE69833672T2 DE69833672T2 (de) 2006-09-07

Family

ID=8228910

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69833672T Expired - Fee Related DE69833672T2 (de) 1997-11-07 1998-10-29 Optische abtastvorrichtung

Country Status (8)

Country Link
US (1) US6256285B1 (de)
EP (1) EP0951716B1 (de)
JP (1) JP2001507852A (de)
KR (1) KR100629846B1 (de)
CN (1) CN1110803C (de)
DE (1) DE69833672T2 (de)
TW (1) TW422973B (de)
WO (1) WO1999024974A2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3662751B2 (ja) * 1998-11-18 2005-06-22 日本電気株式会社 光ヘッド装置
JP2000182253A (ja) * 1998-12-15 2000-06-30 Sony Corp 情報記録再生装置
JP3430048B2 (ja) * 1998-12-24 2003-07-28 日本電気株式会社 光学的情報記録再生装置
US6512608B2 (en) 1999-12-16 2003-01-28 Victor Company Of Japan, Limited Optical device
US6574066B1 (en) * 2000-02-17 2003-06-03 Imation Corp. Time-based optical servo system and method
US6836451B1 (en) * 2000-06-12 2004-12-28 Infineon Technologies, Ag Lensless optical servo system for an optically assisted disk drive
FR2837972B1 (fr) * 2002-04-02 2006-07-21 Thales Sa Procede d'asservissement radial pour un dispositif de reproduction d'informations d'un disque optique et dispositif de reproduction mettant en oeuvre ce procede
DE60324859D1 (de) * 2002-06-14 2009-01-08 Samsung Electronics Co Ltd Verfahren zum Anordnen eines optischen Abtastsystems und optisches Aufzeichnungs- und/oder Wiedergabegerät mit einem, nach diesem Verfahren angeordneten, optischen Abtastsystem
WO2004040562A1 (ja) * 2002-10-17 2004-05-13 Matsushita Electric Industrial Co., Ltd. 光ディスク装置
CN100406931C (zh) * 2004-01-09 2008-07-30 厦门大学 三维光子晶体制备方法及其装置
JP2007042150A (ja) * 2005-07-29 2007-02-15 Toshiba Corp 光ヘッド装置及び光ディスク装置
JP2008041191A (ja) * 2006-08-08 2008-02-21 Funai Electric Co Ltd 光ピックアップ出力の補正装置
JP2008130167A (ja) * 2006-11-21 2008-06-05 Sanyo Electric Co Ltd 光ピックアップ装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8502835A (nl) 1985-10-17 1987-05-18 Philips Nv Inrichting voor het met optische straling aftasten van een informatievlak.
EP0228620B1 (de) * 1985-12-10 1991-06-05 Nec Corporation Optischer Kopf mit einem Beugungsgitter zum Richten von zwei oder mehreren gebeugten Lichtstrahlen auf optische Detektoren
JP3028854B2 (ja) * 1990-07-18 2000-04-04 セイコーエプソン株式会社 光ヘッド及び光記憶再生装置
JP2776487B2 (ja) * 1992-01-28 1998-07-16 シャープ株式会社 光学式情報記録再生装置
EP0583036B1 (de) * 1992-08-12 1998-07-15 Koninklijke Philips Electronics N.V. Einrichtung zur optischen Abtastung einer Oberfläche
ATE181614T1 (de) 1993-01-04 1999-07-15 Koninkl Philips Electronics Nv Mehrflächen informationsspeichersystem und aufzeichnungsträger zür verwendung in einem derartigen system
ATE193781T1 (de) 1995-03-15 2000-06-15 Koninkl Philips Electronics Nv Vorrichtung zum optischen abtasten eines auzeichnungsmediums
JPH11501444A (ja) * 1995-12-27 1999-02-02 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 光学的に読み取り可能な記録媒体を走査する装置
DE69621781T2 (de) * 1995-12-27 2003-03-13 Koninkl Philips Electronics Nv Gerät zur wiedergabe eines optisch lesbaren aufzeichnungsträgers

Also Published As

Publication number Publication date
WO1999024974A3 (en) 1999-07-15
CN1110803C (zh) 2003-06-04
KR100629846B1 (ko) 2006-09-29
DE69833672T2 (de) 2006-09-07
EP0951716A2 (de) 1999-10-27
WO1999024974A2 (en) 1999-05-20
EP0951716B1 (de) 2006-03-01
TW422973B (en) 2001-02-21
KR20000069933A (ko) 2000-11-25
JP2001507852A (ja) 2001-06-12
CN1249841A (zh) 2000-04-05
US6256285B1 (en) 2001-07-03

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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