DE602005015350D1 - Optische abtastvorrichtung - Google Patents

Optische abtastvorrichtung

Info

Publication number
DE602005015350D1
DE602005015350D1 DE602005015350T DE602005015350T DE602005015350D1 DE 602005015350 D1 DE602005015350 D1 DE 602005015350D1 DE 602005015350 T DE602005015350 T DE 602005015350T DE 602005015350 T DE602005015350 T DE 602005015350T DE 602005015350 D1 DE602005015350 D1 DE 602005015350D1
Authority
DE
Germany
Prior art keywords
radiation beam
sensing device
optical sensing
light path
information layer
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.)
Active
Application number
DE602005015350T
Other languages
English (en)
Inventor
Johannes Schleipen
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 DE602005015350D1 publication Critical patent/DE602005015350D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1392Means for controlling the beam wavefront, e.g. for correction of aberration
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1392Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • G11B7/13927Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1362Mirrors
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1365Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1367Stepped phase plates
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1365Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369Active plates, e.g. liquid crystal panels or electrostrictive elements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372Lenses
    • G11B7/1378Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1392Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13925Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B2007/0003Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009Recording, 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
    • G11B2007/0013Recording, 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)
  • Laser Beam Printer (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Geophysics And Detection Of Objects (AREA)
DE602005015350T 2004-09-16 2005-09-12 Optische abtastvorrichtung Active DE602005015350D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04300605 2004-09-16
PCT/IB2005/052979 WO2006030371A1 (en) 2004-09-16 2005-09-12 Optical scanning device

Publications (1)

Publication Number Publication Date
DE602005015350D1 true DE602005015350D1 (de) 2009-08-20

Family

ID=35295694

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005015350T Active DE602005015350D1 (de) 2004-09-16 2005-09-12 Optische abtastvorrichtung

Country Status (9)

Country Link
US (1) US7881165B2 (de)
EP (1) EP1805756B1 (de)
JP (1) JP2008513920A (de)
KR (1) KR20070057935A (de)
CN (1) CN101023476B (de)
AT (1) ATE436071T1 (de)
DE (1) DE602005015350D1 (de)
TW (1) TW200625295A (de)
WO (1) WO2006030371A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102540457B (zh) * 2011-11-24 2014-06-25 无锡微奥科技有限公司 一种微镜图形扫描机构

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9002841A (nl) * 1990-12-21 1992-07-16 Philips Nv Werkwijze en inrichting voor het langs optische weg inschrijven, uitlezen, en wissen van een meervlaks registratiedrager, en registratiedrager geschikt voor deze werkwijze en inrichting.
US5202875A (en) * 1991-06-04 1993-04-13 International Business Machines Corporation Multiple data surface optical data storage system
DE4301827A1 (de) * 1993-01-23 1994-07-28 Thomson Brandt Gmbh Eliminieren von Abtaststörungen
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
WO1996030795A1 (de) 1995-03-31 1996-10-03 Frank Gallert Aplanatisches und anastigmatisches spiegelsystem
JPH10188319A (ja) 1996-12-26 1998-07-21 Sharp Corp 変形可能ミラーおよびその変形可能ミラーを用いた光記録再生装置
JPH10208277A (ja) * 1997-01-29 1998-08-07 Sharp Corp 光ピックアップ装置
JPH10255307A (ja) * 1997-03-13 1998-09-25 Pioneer Electron Corp 多焦点光ビーム生成装置、多焦点ピックアップ及び情報再生装置
JP3552873B2 (ja) * 1997-03-18 2004-08-11 シャープ株式会社 変形可能ミラー
TW342493B (en) 1997-04-29 1998-10-11 Ind Tech Res Inst Digital video disc (DVD) optical head with dual-wavelength laser
JPH11250485A (ja) * 1998-02-27 1999-09-17 Sharp Corp 光ピックアップ装置
JP2001216662A (ja) * 2000-02-01 2001-08-10 Pioneer Electronic Corp ピックアップ装置及び情報記録再生装置
EP2264707A3 (de) * 2000-05-12 2012-03-07 Konica Minolta Opto, Inc. Optische Lesekopfvorrichtung
JP4085812B2 (ja) * 2000-09-06 2008-05-14 株式会社日立製作所 光ヘッドおよび光ディスク装置
KR100863850B1 (ko) 2001-01-30 2008-10-15 마츠시타 덴끼 산교 가부시키가이샤 가변형 미러와 당해 가변형 미러를 구비한 정보 장치 및 보상 광학 장치
JP4088472B2 (ja) * 2001-04-12 2008-05-21 松下電器産業株式会社 光ディスク装置
US7006411B2 (en) * 2001-06-13 2006-02-28 Ricoh Company, Ltd. Optical pickup unit having electro-optical element and information recording and reproduction apparatus
WO2003005352A1 (fr) * 2001-07-05 2003-01-16 Matsushita Electric Industrial Co., Ltd. Dispositif a disque optique
JP4257049B2 (ja) 2001-07-06 2009-04-22 パイオニア株式会社 多層ディスク記録再生装置およびフォーカスジャンプ方法
JP2003157567A (ja) 2001-11-20 2003-05-30 Olympus Optical Co Ltd 光ピックアップ用変形可能ミラー
AU2002353277A1 (en) 2001-12-06 2003-06-17 Koninklijke Philips Electronics N.V. Optical scanning device
JP2004062953A (ja) * 2002-07-25 2004-02-26 Pioneer Electronic Corp ピックアップ装置
US20040170109A1 (en) * 2003-02-28 2004-09-02 Matsushita Electric Industrial Co., Ltd. Optical pickup
JP2005196842A (ja) * 2004-01-05 2005-07-21 Funai Electric Co Ltd 光ピックアップ装置

Also Published As

Publication number Publication date
JP2008513920A (ja) 2008-05-01
US20080316901A1 (en) 2008-12-25
ATE436071T1 (de) 2009-07-15
EP1805756A1 (de) 2007-07-11
US7881165B2 (en) 2011-02-01
WO2006030371A1 (en) 2006-03-23
TW200625295A (en) 2006-07-16
CN101023476B (zh) 2010-12-08
EP1805756B1 (de) 2009-07-08
CN101023476A (zh) 2007-08-22
KR20070057935A (ko) 2007-06-07

Similar Documents

Publication Publication Date Title
ATE396477T1 (de) Optische scan-einrichtung
BR9608964A (pt) Meio óptico de armazenamento de dados e processos de escrita e de leitura de dados em um meio óptico de armazenamento
EP1628170A3 (de) Belichtungseinheit und Bilderzeugungsgerät
WO2006084654A3 (de) Fokussierung und astigmatismuskompensator für eine funduskamera
TW200605056A (en) Optical pickup and recording and/or reproducing apparatus using same
EP0951013A3 (de) Optischer Lesekopf mit katadioptrischer Objektivlinse
TW200741676A (en) Optical medium recording
ATE441131T1 (de) Optische abtastvorrichtung und bilderzeugungsvorrichtung damit
ATE289444T1 (de) Optisches abtastgerät
DE602005015350D1 (de) Optische abtastvorrichtung
EP1528546A3 (de) Optisches Element, optisches Abtastgerät und Gerät zum optischen Aufzeichnen und Abspielen von Informationen
ATE356407T1 (de) Optische scan-einrichtung
BR9917125A (pt) Validador
WO2004084188A3 (en) Optical scanning device
TW200721151A (en) Method and apparatus capable of detecting spherical aberration caused by storage medium
DK1211066T3 (da) Afbildningsindretning
ATE412963T1 (de) Schutzelement und optische abtastvorrichtung damit
TW200635350A (en) Optical scanning module of a scanner
ATE453186T1 (de) Optische vorrichtung zum abtasten eines informationsträgers
EP1600961A3 (de) Optischer Abtastkopf
EP1840891A3 (de) Optisches Aufnahmegerät und optisches Informationsaufzeichnungs- und -wiedergabegerät
MY139039A (en) Optical pickup and optical disc device
GB2437670A (en) Optical scanning device with low building height
DE69937102D1 (de) Vorrichtung zur optischen abtastung eines aufzeichnungsträgers
ATE396475T1 (de) Fokussteuerung für ein medienabtastsystem

Legal Events

Date Code Title Description
8364 No opposition during term of opposition