DE602008002853D1 - Optische Lesekopfvorrichtung - Google Patents

Optische Lesekopfvorrichtung

Info

Publication number
DE602008002853D1
DE602008002853D1 DE602008002853T DE602008002853T DE602008002853D1 DE 602008002853 D1 DE602008002853 D1 DE 602008002853D1 DE 602008002853 T DE602008002853 T DE 602008002853T DE 602008002853 T DE602008002853 T DE 602008002853T DE 602008002853 D1 DE602008002853 D1 DE 602008002853D1
Authority
DE
Germany
Prior art keywords
reading device
optical reading
optical
reading
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
DE602008002853T
Other languages
English (en)
Inventor
Mika Hamaoka
Tetsuya Shihara
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.)
Funai Electric Co Ltd
Original Assignee
Funai Electric Co 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 Funai Electric Co Ltd filed Critical Funai Electric Co Ltd
Publication of DE602008002853D1 publication Critical patent/DE602008002853D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B7/1372—Lenses
    • G11B7/1378—Separate aberration correction lenses; Cylindrical lenses to generate astigmatism; Beam expanders
    • 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
    • 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)
DE602008002853T 2007-05-25 2008-04-30 Optische Lesekopfvorrichtung Active DE602008002853D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007138638A JP2008293600A (ja) 2007-05-25 2007-05-25 光ピックアップ装置

Publications (1)

Publication Number Publication Date
DE602008002853D1 true DE602008002853D1 (de) 2010-11-18

Family

ID=39577477

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008002853T Active DE602008002853D1 (de) 2007-05-25 2008-04-30 Optische Lesekopfvorrichtung

Country Status (5)

Country Link
US (1) US7792004B2 (de)
EP (1) EP1995725B1 (de)
JP (1) JP2008293600A (de)
CN (1) CN101312057B (de)
DE (1) DE602008002853D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007055196A1 (ja) * 2005-11-08 2007-05-18 Nec Corporation 光学式情報記録／再生装置と、光学式情報記録／再生方法
WO2008044403A1 (fr) * 2006-10-06 2008-04-17 Nec Corporation Dispositif à tête optique, enregistreur/reproducteur d'informations optiques, procédé de génération de signal d'erreur
JP2009295251A (ja) * 2008-06-06 2009-12-17 Hitachi Maxell Ltd 液晶光学素子の駆動方法、光ヘッド装置、及び、液晶光学素子
DE102010019095B4 (de) * 2010-04-30 2016-12-08 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und Vorrichtung zur Fluoreszenzlebensdauermessung
CN102654733B (zh) * 2011-03-03 2014-10-29 上海微电子装备有限公司 波像差校正装置及方法
DE102014104028B4 (de) * 2014-03-24 2016-02-18 Sick Ag Optoelektronische Vorrichtung und Verfahren zum Justieren
CN104570282B (zh) * 2014-12-09 2017-05-03 江苏大学 掺银缺陷负折射光子晶体三平板组探测系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002237076A (ja) * 2001-02-06 2002-08-23 Pioneer Electronic Corp 収差補正装置
US7436750B2 (en) * 2003-06-19 2008-10-14 Call/Recall Inc. Optical storage with ultra high storage capacity
JP2005071424A (ja) 2003-08-28 2005-03-17 Pioneer Electronic Corp 収差補正装置および光学式記録媒体再生装置
JP4419654B2 (ja) * 2004-04-02 2010-02-24 コニカミノルタオプト株式会社 光ピックアップ装置
KR20070036742A (ko) * 2004-07-20 2007-04-03 아사히 가라스 가부시키가이샤 액정 렌즈 소자 및 광헤드 장치
JP2006147057A (ja) 2004-11-19 2006-06-08 Sharp Corp 光ピックアップ装置
JP2006309903A (ja) 2005-05-02 2006-11-09 Konica Minolta Opto Inc 光ピックアップ装置
WO2006121038A1 (ja) * 2005-05-10 2006-11-16 Pioneer Corporation 情報機器
JP4527657B2 (ja) * 2005-11-30 2010-08-18 株式会社日立メディアエレクトロニクス 情報再生装置

Also Published As

Publication number Publication date
US7792004B2 (en) 2010-09-07
EP1995725B1 (de) 2010-10-06
CN101312057A (zh) 2008-11-26
JP2008293600A (ja) 2008-12-04
EP1995725A1 (de) 2008-11-26
CN101312057B (zh) 2011-08-17
US20080291808A1 (en) 2008-11-27

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