DE60112361D1 - Vorrichtung zur Aberrationskorrektur, optische Abtastvorrichtung und Aufnahme/ Wiedergabevorrichtung - Google Patents

Vorrichtung zur Aberrationskorrektur, optische Abtastvorrichtung und Aufnahme/ Wiedergabevorrichtung

Info

Publication number
DE60112361D1
DE60112361D1 DE60112361T DE60112361T DE60112361D1 DE 60112361 D1 DE60112361 D1 DE 60112361D1 DE 60112361 T DE60112361 T DE 60112361T DE 60112361 T DE60112361 T DE 60112361T DE 60112361 D1 DE60112361 D1 DE 60112361D1
Authority
DE
Germany
Prior art keywords
recording
optical scanning
aberration correction
reproducing
reproducing apparatus
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
DE60112361T
Other languages
English (en)
Other versions
DE60112361T2 (de
Inventor
Masakazu Ogasawara
Masayuki Iwasaki
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.)
Pioneer Corp
Original Assignee
Pioneer Corp
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 Pioneer Corp filed Critical Pioneer Corp
Publication of DE60112361D1 publication Critical patent/DE60112361D1/de
Application granted granted Critical
Publication of DE60112361T2 publication Critical patent/DE60112361T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • 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
    • G11B7/12—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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • G02F1/291—Two-dimensional analogue deflection
    • 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)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Optical Head (AREA)
  • Liquid Crystal (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
DE60112361T 2000-05-24 2001-05-21 Vorrichtung zur Aberrationskorrektur, optische Abtastvorrichtung und Aufnahme/ Wiedergabevorrichtung Expired - Lifetime DE60112361T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000152270A JP4136273B2 (ja) 2000-05-24 2000-05-24 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
JP2000152270 2000-05-24

Publications (2)

Publication Number Publication Date
DE60112361D1 true DE60112361D1 (de) 2005-09-08
DE60112361T2 DE60112361T2 (de) 2006-06-08

Family

ID=18657712

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60112361T Expired - Lifetime DE60112361T2 (de) 2000-05-24 2001-05-21 Vorrichtung zur Aberrationskorrektur, optische Abtastvorrichtung und Aufnahme/ Wiedergabevorrichtung

Country Status (4)

Country Link
US (1) US6859429B2 (de)
EP (1) EP1158335B1 (de)
JP (1) JP4136273B2 (de)
DE (1) DE60112361T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW564404B (en) * 2000-09-06 2003-12-01 Matsushita Electric Ind Co Ltd Optical disk unit and information recording and reproducing method
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
US7006411B2 (en) * 2001-06-13 2006-02-28 Ricoh Company, Ltd. Optical pickup unit having electro-optical element and information recording and reproduction apparatus
JP2003045042A (ja) * 2001-07-31 2003-02-14 Toshiba Corp 情報記録媒体の厚みムラ補正方法および厚みムラ補正方法を用いた情報記録再生装置
JP2004138900A (ja) * 2002-10-18 2004-05-13 Pioneer Electronic Corp 収差補正素子、収差補正装置、情報記録再生装置及び収差補正方法
JP2004152446A (ja) * 2002-10-31 2004-05-27 Samsung Electro Mech Co Ltd 光ピックアップ装置及び液晶素子
DE10300810A1 (de) * 2003-01-10 2004-07-22 Deutsche Thomson-Brandt Gmbh Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger
JP2005071544A (ja) * 2003-08-27 2005-03-17 Mitsumi Electric Co Ltd 球面収差補正板、それを用いた光ピックアップ装置、および球面収差補正方法
US20070195676A1 (en) * 2004-01-16 2007-08-23 Koninklijke Philips Electronic, N.V. Optical system
CN100350474C (zh) * 2004-05-10 2007-11-21 索尼株式会社 光拾取器
JP2006031771A (ja) * 2004-07-13 2006-02-02 Pioneer Electronic Corp 収差補正素子、光ピックアップ及び情報機器
KR100619400B1 (ko) * 2004-08-31 2006-09-12 엘지전자 주식회사 액정소자
JP4522829B2 (ja) * 2004-11-22 2010-08-11 株式会社リコー 光ピックアップ及び補正用収差発生方法とこれを用いた光情報処理装置
MX2007008439A (es) 2005-01-12 2007-09-21 Aspect Medical Systems Inc Sistema y metodo para la prediccion de eventos adversos durante el tratamiento de trastornos psicologicos y neurologicos.
JP4792910B2 (ja) * 2005-10-18 2011-10-12 コニカミノルタホールディングス株式会社 液晶デバイスおよび光ピックアップ
JP2009199676A (ja) * 2008-02-22 2009-09-03 Sanyo Electric Co Ltd 光ピックアップ装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572616A (en) * 1982-08-10 1986-02-25 Syracuse University Adaptive liquid crystal lens
JP2895150B2 (ja) * 1990-03-16 1999-05-24 シチズン時計株式会社 光学装置
EP0762398B1 (de) * 1995-08-31 2003-05-07 SANYO ELECTRIC Co., Ltd. Aufzeichnungs-/Wiedergabegerät für optische Platten zur Aufzeichnung/Wiedergabe von Information auf/aus unterschiedlichen optischen Platten
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
JPH10269611A (ja) * 1997-03-27 1998-10-09 Pioneer Electron Corp 光ピックアップ及びそれを用いた多層ディスク再生装置
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
US6151154A (en) * 1998-03-12 2000-11-21 Pioneer Electronic Corporation Optical pickup, aberration correction unit and astigmatism measurement method
US6480454B1 (en) * 1998-12-15 2002-11-12 Matsushita Electric Industrial Co., Ltd. Optical element, optical head using the optical element, and optical recording and reproducing apparatus using the optical element
JP4234837B2 (ja) * 1999-02-24 2009-03-04 富士通株式会社 光記憶装置
US6532202B1 (en) * 1999-07-07 2003-03-11 Matsushita Electric Industrial Co., Ltd. Optical element, optical head and optical recording reproducing apparatus

Also Published As

Publication number Publication date
JP2001331963A (ja) 2001-11-30
EP1158335A2 (de) 2001-11-28
US6859429B2 (en) 2005-02-22
US20020012312A1 (en) 2002-01-31
JP4136273B2 (ja) 2008-08-20
EP1158335B1 (de) 2005-08-03
EP1158335A3 (de) 2004-06-23
DE60112361T2 (de) 2006-06-08

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8364 No opposition during term of opposition