DE69933431D1 - Vorrichtung zur optischen Speicherung sowie Flüssigkristallvorrichtung - Google Patents

Vorrichtung zur optischen Speicherung sowie Flüssigkristallvorrichtung

Info

Publication number
DE69933431D1
DE69933431D1 DE69933431T DE69933431T DE69933431D1 DE 69933431 D1 DE69933431 D1 DE 69933431D1 DE 69933431 T DE69933431 T DE 69933431T DE 69933431 T DE69933431 T DE 69933431T DE 69933431 D1 DE69933431 D1 DE 69933431D1
Authority
DE
Germany
Prior art keywords
liquid crystal
optical storage
storage device
crystal device
optical
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 - Lifetime
Application number
DE69933431T
Other languages
English (en)
Other versions
DE69933431T2 (de
Inventor
Hiroyasu Yoshikawa
Tatsuo Uchida
Shin-Ya Hasegawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69933431D1 publication Critical patent/DE69933431D1/de
Publication of DE69933431T2 publication Critical patent/DE69933431T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369—Active plates, e.g. liquid crystal panels or electrostrictive 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
    • G11B7/1392—Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Head (AREA)
  • Liquid Crystal (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
DE69933431T 1999-02-24 1999-12-23 Vorrichtung zur optischen Speicherung sowie Flüssigkristallvorrichtung Expired - Lifetime DE69933431T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP04671899A JP4234837B2 (ja) 1999-02-24 1999-02-24 光記憶装置
JP4671899 1999-02-24

Publications (2)

Publication Number Publication Date
DE69933431D1 true DE69933431D1 (de) 2006-11-16
DE69933431T2 DE69933431T2 (de) 2007-02-15

Family

ID=12755135

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69933431T Expired - Lifetime DE69933431T2 (de) 1999-02-24 1999-12-23 Vorrichtung zur optischen Speicherung sowie Flüssigkristallvorrichtung

Country Status (4)

Country Link
US (2) US6584058B1 (de)
EP (1) EP1031971B1 (de)
JP (1) JP4234837B2 (de)
DE (1) DE69933431T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001249372A1 (en) * 2000-03-23 2001-10-03 Greenville Hospital System Bi-functional cancer treatment agents
JP2001266392A (ja) * 2000-03-23 2001-09-28 Pioneer Electronic Corp 光学式情報記録再生装置
JP4136273B2 (ja) * 2000-05-24 2008-08-20 パイオニア株式会社 収差補正ユニット、光ピックアップ装置及び記録再生装置
US6690500B2 (en) * 2000-06-30 2004-02-10 Pioneer Corporation Aberration correction apparatus and method
JP4733868B2 (ja) * 2000-07-24 2011-07-27 パナソニック株式会社 光ヘッドと光記録再生装置
KR100335446B1 (ko) * 2000-08-08 2002-05-04 윤종용 수차 보정소자 및 이를 채용한 광픽업장치
JP3781273B2 (ja) * 2001-02-07 2006-05-31 パイオニア株式会社 収差補正素子及び収差補正ユニット
WO2002073610A1 (fr) * 2001-03-12 2002-09-19 Sony Corporation Tete optique, dispositif optique, et element de correction d'aberration
JP2002304762A (ja) * 2001-04-10 2002-10-18 Nec Corp 光ヘッド装置および光学式情報記録再生装置
JP2003173565A (ja) * 2001-12-05 2003-06-20 Samsung Electro Mech Co Ltd 光ピックアップ装置及びその調整方法
US7342869B2 (en) * 2002-07-08 2008-03-11 Sony Corporation Optical-recording medium playback apparatus and optical-recording medium, including flying optical head features
JP2005353208A (ja) * 2004-06-11 2005-12-22 Nec Corp 対物レンズ駆動装置及び光学ヘッド装置
WO2006067700A1 (en) * 2004-12-20 2006-06-29 Arima Devices Corporation Optical pick-up unit for use in a multi-disc optical player
JP4696883B2 (ja) * 2005-12-05 2011-06-08 旭硝子株式会社 位相補正素子および光ヘッド装置
JP2007179676A (ja) * 2005-12-28 2007-07-12 Toshiba Corp 光ヘッド装置及び光ディスク装置
DE102007014640B4 (de) * 2007-03-23 2015-04-02 Carl Zeiss Microscopy Gmbh Mikroskopobjektiv
KR20090030859A (ko) * 2007-09-21 2009-03-25 엘지전자 주식회사 렌즈 유닛과 광학 시스템, 기록 재생 장치 및 기록 재생방법
US20090245074A1 (en) * 2008-04-01 2009-10-01 Tunable Optix Corporation Pick-up head assembly for optical disc employing electrically tunable liquid crystal lens

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150234A (en) * 1988-08-08 1992-09-22 Olympus Optical Co., Ltd. Imaging apparatus having electrooptic devices comprising a variable focal length lens
US5210627A (en) * 1990-05-31 1993-05-11 Mitsubishi Denki Kabushiki Kaisha Optical record and reproduction apparatus with liquid crystal panel that rotates light followed by a polarizer or birefringent plate
WO1992021050A1 (en) * 1991-05-21 1992-11-26 Seiko Epson Corporation Optical device and optical machining system using the optical device
JPH0777031B2 (ja) 1991-10-16 1995-08-16 インターナショナル・ビジネス・マシーンズ・コーポレイション 収差補償装置
US5668651A (en) * 1994-03-18 1997-09-16 Sharp Kabushiki Kaisha Polymer-wall LCD having liquid crystal molecules having a plane-symmetrical bend orientation
JPH08212611A (ja) 1995-02-01 1996-08-20 Asahi Optical Co Ltd 波面収差補正装置および光情報記録再生装置
JPH0935319A (ja) 1995-07-21 1997-02-07 Hitachi Ltd 光情報記録装置及び光学装置、並びに収差調整方法
JP3795998B2 (ja) * 1996-04-30 2006-07-12 パイオニア株式会社 波面収差補正ユニット、波面収差補正装置及び光ピックアップ
JPH09306013A (ja) 1996-05-17 1997-11-28 Olympus Optical Co Ltd 光ピックアップ
JP3640497B2 (ja) * 1997-03-05 2005-04-20 パイオニア株式会社 収差補正装置及び情報記録媒体再生装置
JPH10302302A (ja) * 1997-04-24 1998-11-13 Sanyo Electric Co Ltd 光ピックアップ装置
JP3778316B2 (ja) * 1997-05-22 2006-05-24 パイオニア株式会社 光ピックアップ装置

Also Published As

Publication number Publication date
JP4234837B2 (ja) 2009-03-04
US20030107978A1 (en) 2003-06-12
US6778485B2 (en) 2004-08-17
DE69933431T2 (de) 2007-02-15
EP1031971A3 (de) 2001-09-26
US6584058B1 (en) 2003-06-24
JP2000251303A (ja) 2000-09-14
EP1031971B1 (de) 2006-10-04
EP1031971A2 (de) 2000-08-30

Similar Documents

Publication Publication Date Title
DE69933431D1 (de) Vorrichtung zur optischen Speicherung sowie Flüssigkristallvorrichtung
DE60027367D1 (de) Elektrooptische Vorrichtung
DE60116322D1 (de) Vorrichtung zur aktiven kompensation von aberrationen in einem optischen system
DE69943354D1 (de) Vorrichtung zur flüssigkeitsentnahme
DE60032838D1 (de) Flüssigkristall-Anzeigevorrichtung und Herstellungsverfahren
DE60309800D1 (de) Planare optische Wellenleitervorrichtung zur Umwandlung des Modenfeldes und dessen Herstellungsverfahren
DE69810225T2 (de) Verfahren und Vorrichtung zur Verringerung der temperaturabhängigen Spektralverschiebungen in optischen Elementen
DE69931672D1 (de) Flüssigkristall-Anzeigevorrichtung und Herstellungsverfahren
ATA159499A (de) Einrichtung zur in vivo-messung von grössen in lebenden organismen
DE60024653D1 (de) Beleuchtungs anzeige vorrichtung und verfahren zur helligkeitssteigerung in beleuchtungsanzeigevorrichtung
DE60041996D1 (de) Flüssigkristallanzeigevorrichtung und Verfahren zu deren Herstellung
DE69919451D1 (de) Flüssigkristallvorrichtung
DE60036524D1 (de) Kartenanzeigegerät und Verfahren
DE60038478D1 (de) Vorrichtung zur Injektion von Kontrastmitteln
DE60039949D1 (de) Flüssigkristallprojektor und entsprechendes Verfahren
DE60000049D1 (de) Vorrichtung und Verfahren zur Aufnahme des Aufzeichnungsmediums
DE69738972D1 (de) Flüssigkristallanzeige Vorrichtung
DE60026669D1 (de) Flüssigkristallvorrichtung und Verfahren zu deren Herstellung
DE10025253B8 (de) Flüssigkristallanzeigevorrichtung und Herstellungsverfahren dafür
DE69802008T2 (de) Vorrichtung zur kristallziehung
GB2368447B (en) Liquid crystal display device and method for manufacturing the same
DE69801069T2 (de) Vorrichtung zur Kristallhaltung
DE60206361D1 (de) Flüssigkristallanzeigevorrichtung und verfahren zu deren herstellung
DE60024544D1 (de) Optisches Gerät zur Fokussierung und Strahlausrichtung
DE60027503D1 (de) Vorrichtung zur Entfernung von Wasserstoff

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE