ATE193781T1 - Vorrichtung zum optischen abtasten eines auzeichnungsmediums - Google Patents

Vorrichtung zum optischen abtasten eines auzeichnungsmediums

Info

Publication number
ATE193781T1
ATE193781T1 AT96903166T AT96903166T ATE193781T1 AT E193781 T1 ATE193781 T1 AT E193781T1 AT 96903166 T AT96903166 T AT 96903166T AT 96903166 T AT96903166 T AT 96903166T AT E193781 T1 ATE193781 T1 AT E193781T1
Authority
AT
Austria
Prior art keywords
scanning
recording medium
optically scanning
radiation beam
record carrier
Prior art date
Application number
AT96903166T
Other languages
English (en)
Inventor
Josephus Johannes Maria Braat
Igolt Pieter Bouwes Ubbens
James Howard Coombs
Jacob Sonneveld
Jacobus Petrus Cornelis Kroon
Petrus Theodorus Jutte
Original Assignee
Koninkl Philips Electronics Nv
Philips Norden Ab
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, Philips Norden Ab filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE193781T1 publication Critical patent/ATE193781T1/de

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
    • G11B7/13—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
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/125—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams conditioned by the operating function of the apparatus
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1808—Driving of both record carrier and head
    • G11B15/1875—Driving of both record carrier and head adaptations for special effects or editing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/036—Insert-editing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
    • 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
    • G11B7/0909—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 astigmatic methods
    • 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
    • G11B7/133—Shape of individual detector elements
    • 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
    • G11B7/12—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
    • G11B7/1372—Lenses
    • 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
    • G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
    • G11B15/473—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads
    • G11B15/4731—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads control of headwheel rotation
    • 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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/032—Electronic editing of digitised analogue information signals, e.g. audio or video signals on tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G11B5/00847—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks
    • G11B5/0086—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks using cyclically driven heads providing segmented tracks
    • 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
    • G11B7/0916—Foucault or knife-edge methods

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Vehicle Body Suspensions (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Eye Examination Apparatus (AREA)
AT96903166T 1995-03-15 1996-03-08 Vorrichtung zum optischen abtasten eines auzeichnungsmediums ATE193781T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95200619 1995-03-15
PCT/IB1996/000182 WO1996028816A2 (en) 1995-03-15 1996-03-08 Device for optically scanning a recording medium

Publications (1)

Publication Number Publication Date
ATE193781T1 true ATE193781T1 (de) 2000-06-15

Family

ID=8220090

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96903166T ATE193781T1 (de) 1995-03-15 1996-03-08 Vorrichtung zum optischen abtasten eines auzeichnungsmediums

Country Status (12)

Country Link
US (1) US5708638A (de)
EP (1) EP0763236B1 (de)
JP (1) JPH10500526A (de)
KR (1) KR100392857B1 (de)
CN (1) CN1090362C (de)
AT (1) ATE193781T1 (de)
BR (1) BR9605931A (de)
DE (1) DE69608750T2 (de)
ES (1) ES2149449T3 (de)
HK (1) HK1012755A1 (de)
TW (1) TW301745B (de)
WO (1) WO1996028816A2 (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5926450A (en) * 1995-03-15 1999-07-20 U.S. Philips Corporation Device for optically scanning record carriers of different thicknesses
JP3465413B2 (ja) * 1995-06-16 2003-11-10 ソニー株式会社 光ディスク駆動装置およびフォーカス制御方法
KR100455497B1 (ko) * 1995-07-21 2004-12-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 압축된텔레비전신호,압축된텔리비전신호전송방법및장치,압축된텔레비전신호수신방법및장치
US5831952A (en) 1995-07-27 1998-11-03 Matsushita Electric Industrial Co., Ltd. Optical disk thickness discriminating apparatus
USRE39025E1 (en) * 1995-08-30 2006-03-21 Samsung Electronics Co., Ltd. Lens device including a light controlling mechanism and an optical pickup apparatus using a lens device
KR100234257B1 (ko) * 1995-08-30 1999-12-15 윤종용 대물렌즈 장치 및 안정된 포커스 서보 신호를 얻는방법 및 이를 적용한 광픽업 장치 및 두께가 다른 디스크를 판별하는 방법 및 두께가 다른 디스크로부터 정보를 재생하고 기록하는 방법
KR100200858B1 (ko) * 1995-10-04 1999-06-15 윤종용 광픽업장치
US5907530A (en) * 1995-08-30 1999-05-25 Samsung Electronics Co., Ltd. Optical pickup device
KR100200857B1 (ko) * 1995-10-04 1999-06-15 윤종용 광픽업장치
JP3397280B2 (ja) * 1995-11-21 2003-04-14 ソニー株式会社 記録媒体記録再生装置および記録媒体記録再生方法
US5717678A (en) * 1995-11-16 1998-02-10 Ricoh Company, Ltd. Optical pickup device for accessing each of optical disks of different types
DE19544966A1 (de) * 1995-12-04 1997-06-05 Thomson Brandt Gmbh Gerät zum Beschreiben und/oder Lesen optischer Aufzeichnungsträger unterschiedlichen Aufbaus
JPH09265639A (ja) * 1996-01-23 1997-10-07 Sony Corp 光学ピックアップ装置
KR100189899B1 (ko) * 1996-02-14 1999-06-01 윤종용 두께가 다른 광 디스크의 판별 방법 및 이를 적용한 광학장치
US6259668B1 (en) * 1996-02-14 2001-07-10 Samsung Electronics Co., Ltd. Recording/reproducing apparatus having an optical pickup device to read from and record information to disks of different thicknesses
KR100491858B1 (ko) * 1996-03-08 2005-09-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 대물렌즈및이대물렌즈를사용하는주사장치
CN1111852C (zh) * 1996-03-08 2003-06-18 皇家菲利浦电子有限公司 用于扫描记录载体的光扫描装置和方法
US6222812B1 (en) 1996-08-29 2001-04-24 Samsung Electronics Co., Ltd. Optical pickup using an optical phase plate
DE69727989T2 (de) 1996-09-25 2004-07-22 Victor Company of Japan, Ltd., Yokohama Gerät zur Festlegung des Typs einer Platte, Gerät zur Wiedergabe einer optischen Platte
JPH10134398A (ja) * 1996-10-28 1998-05-22 Nec Corp 光ヘッド装置
US6639889B1 (en) 1997-02-13 2003-10-28 Samsung Electronics Co., Ltd. Recording/reproducing apparatus including an optical pickup having an objective lens compatible with a plurality of optical disk formats
US6304540B1 (en) 1998-03-30 2001-10-16 Samsung Electronics Co., Ltd. Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens
JPH10333025A (ja) * 1997-05-28 1998-12-18 Pioneer Electron Corp 光ピックアップ装置
US6256016B1 (en) 1997-06-05 2001-07-03 Logitech, Inc. Optical detection system, device, and method utilizing optical matching
KR100536105B1 (ko) * 1997-10-06 2005-12-14 코닌클리케 필립스 일렉트로닉스 엔.브이. 구면수차 검출계 및 그것을 사용하는 광학장치
DE69833672T2 (de) 1997-11-07 2006-09-07 Koninklijke Philips Electronics N.V. Optische abtastvorrichtung
WO1999057528A1 (en) 1998-05-02 1999-11-11 Focal, Inc. Light source power tester
US6088322A (en) 1998-05-07 2000-07-11 Broome; Barry G. Single objective lens for use with CD or DVD optical disks
JP2002515624A (ja) * 1998-05-13 2002-05-28 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 記録担体を光学的に走査する装置
JP3638210B2 (ja) * 1998-06-15 2005-04-13 シャープ株式会社 ホログラムレーザユニット及びそれを使用した光ピックアップ装置
JP3545233B2 (ja) * 1998-12-08 2004-07-21 シャープ株式会社 球面収差検出装置および光ピックアップ装置
JP3147879B2 (ja) 1998-12-08 2001-03-19 日本電気株式会社 光学的情報記録再生装置
JP2000182254A (ja) * 1998-12-15 2000-06-30 Pioneer Electronic Corp ピックアップ装置
KR100729346B1 (ko) * 1998-12-29 2007-06-15 코닌클리케 필립스 일렉트로닉스 엔.브이. 2가지 형태의 기록매체를 위한 광학 주사장치
JP3549047B2 (ja) * 2000-06-08 2004-08-04 シャープ株式会社 光ピックアップ装置及びその収差補正方法並びに収差検出装置
JP3827940B2 (ja) 2000-11-15 2006-09-27 シャープ株式会社 収差検出装置および光ピックアップ装置
JP2002163830A (ja) * 2000-11-24 2002-06-07 Toshiba Corp 光学的収差を利用した光情報処理システムおよび厚みムラのある透明層で保護された記録層を持つ情報媒体
JP2002197686A (ja) 2000-12-21 2002-07-12 Sharp Corp 光ピックアップ装置
US6426840B1 (en) * 2001-02-23 2002-07-30 3D Systems, Inc. Electronic spot light control
JP3517223B2 (ja) * 2001-04-24 2004-04-12 株式会社東芝 光ディスク装置及び光ディスク処理方法
JP2002358677A (ja) * 2001-05-28 2002-12-13 Hitachi Ltd 光ヘッド及び光ディスク装置
JP3793430B2 (ja) * 2001-07-18 2006-07-05 株式会社日立製作所 近接場光を用いた光学装置
US7206277B2 (en) * 2001-07-27 2007-04-17 Pioneer Corporation Optical pickup device and focal error detecting device therefor and wave aberration and focal error detecting device therefor
JP3819756B2 (ja) * 2001-10-23 2006-09-13 富士通株式会社 光情報処理装置
WO2003050800A2 (en) * 2001-12-11 2003-06-19 Koninklijke Philips Electronics N.V. Optical scanning device
DE60321414D1 (de) * 2002-02-27 2008-07-17 Ricoh Kk Optischer Abtastkopf für verschiedene Wellenlängen
KR20030093683A (ko) * 2002-06-05 2003-12-11 삼성전자주식회사 호환형 광픽업
DE602004026372D1 (de) * 2003-01-29 2010-05-12 Ricoh Kk Optische Lesekopfvorrichtung und optisches Plattengerät
KR20050006887A (ko) * 2003-07-10 2005-01-17 삼성전자주식회사 포커스 오프셋을 저감할 수 있는 광픽업 및 이를 채용한광 기록 및/또는 재생기기
EP1553574A1 (de) * 2004-01-08 2005-07-13 Deutsche Thomson-Brandt Gmbh Verfahren zur Ermittlung der sphärischen Aberration
JP4569812B2 (ja) * 2004-11-30 2010-10-27 ソニー株式会社 光ディスク装置、光ディスク装置の焦点位置制御方法及び焦点位置制御装置
JP2008523529A (ja) * 2004-12-06 2008-07-03 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 ２次元光学的記憶の最適検出
JP4979285B2 (ja) * 2006-07-07 2012-07-18 パナソニック株式会社 ドーム型監視カメラ装置
US7800990B2 (en) * 2007-01-11 2010-09-21 Lg Electronic Inc. Method for selecting focus servo process
US8530817B1 (en) * 2008-10-27 2013-09-10 Lockheed Martin Corporation Field of view limit detection enhancement for quadrant-array detector systems
US20150122997A1 (en) * 2012-11-09 2015-05-07 Fenwal, Inc. Non-Invasive Identification Of Solutions

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2271590B1 (de) * 1974-01-15 1978-12-01 Thomson Brandt
US4724533A (en) * 1984-06-15 1988-02-09 Matsushita Electric Industrial Co., Ltd. Optical head
EP0360209A3 (de) * 1988-09-19 1992-08-19 Hitachi, Ltd. Optischer Kopf und optisches Datenverarbeitungsgerät
US5235581A (en) * 1990-08-09 1993-08-10 Matsushita Electric Industrial Co., Ltd. Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses
EP0545133B1 (de) * 1991-11-20 1997-05-14 Sony Corporation Optische Abtasteinrichtung und Fokusservoeinrichtung dafür
EP0583036B1 (de) * 1992-08-12 1998-07-15 Koninklijke Philips Electronics N.V. Einrichtung zur optischen Abtastung einer Oberfläche
JP2532818B2 (ja) * 1993-02-01 1996-09-11 松下電器産業株式会社 対物レンズおよび光ヘッド装置
JP2776207B2 (ja) * 1993-08-09 1998-07-16 松下電器産業株式会社 光情報再生方法
DE69632493T2 (de) * 1995-02-02 2005-05-12 Pioneer Electronic Corp. Optisches Abtastgerät und Identifizierungsgerät zum Identifizieren des Typs eines optischen Aufzeichnungsmediums

Also Published As

Publication number Publication date
EP0763236A2 (de) 1997-03-19
KR100392857B1 (ko) 2003-12-31
US5708638A (en) 1998-01-13
JPH10500526A (ja) 1998-01-13
HK1012755A1 (en) 1999-08-06
MX9605541A (es) 1998-05-31
CN1090362C (zh) 2002-09-04
WO1996028816A2 (en) 1996-09-19
DE69608750T2 (de) 2001-02-15
TW301745B (de) 1997-04-01
DE69608750D1 (de) 2000-07-13
CN1152369A (zh) 1997-06-18
EP0763236B1 (de) 2000-06-07
BR9605931A (pt) 1997-08-12
ES2149449T3 (es) 2000-11-01
WO1996028816A3 (en) 1996-11-07

Similar Documents

Publication Publication Date Title
ATE193781T1 (de) Vorrichtung zum optischen abtasten eines auzeichnungsmediums
BR8902391A (pt) Processo de varredura otica de um plano de informacao meio de gravacao otico e aparelho de varredura
MX9600715A (es) Medio de registro optico y metodo para producir el mismo.
EP0984440A3 (de) Vorrichtung zur Aberrationsdetektion und Gerät zur Aufnahme und Wiedergabe von optischer Information
MX9606210A (es) Medio de grabacion de informacion optica, metodo de fabricacion para el mismo, aparato de fabricacion para el mismo y aparato de reproduccion y grabacion de informacion optica.
EP1103958A3 (de) Verfahren zur Aufzeichnung -Wiedergabe von optischen Informationsspeichermedien sowie optische Abtastvorrichtung
EP0741383A3 (de) Optisches Informationsaufzeichnungsmedium
EA199800345A1 (ru) Система записи на оптические цифровые носители информации и воспроизведения с них
DE69630381D1 (de) Optisches datenspeicher medium und verfahren zur dessen anzeichnung und wiedergabe
KR880701438A (ko) 광 기록매체 광학 판독용 장치
EP0874359A3 (de) Optische Abtastvorrichtung
ATE172810T1 (de) Informationsverarbeitungsvorrichtung
EP0357614A1 (de) Optische nur-lese-karte und -system
EP0829864A3 (de) Informationsaufzeichnungs- und/oder -wiedergabegerät
DE69125552D1 (de) Nachführungsmethode für Speichergerät
EP0785543A3 (de) Kondensorlinse für optische Platten
WO1999059148A3 (en) Device for optically scanning a record carrier
EP0908879A3 (de) Optisches Informationsspeichergerät
ATE253767T1 (de) Mehrschichtinformationsspeichersystem
ATE283533T1 (de) Optische abtastanordnung eines aufzeichnungsträgers
FR2653247B1 (fr) Procede et dispositif d'ecriture et de lecture d'informations a partir d'un support a base de materiau ferroelectrique.
MX9708575A (es) Dispositivo para barrer opticamente un portador de registro.
DE69937102D1 (de) Vorrichtung zur optischen abtastung eines aufzeichnungsträgers
EP0381443A3 (de) Fokusdetektionsanordnung
EP0908877A3 (de) Optische Informationsspeichereinheit

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee