KR20060134812A - 광 픽업 및 광 디스크 장치 - Google Patents

광 픽업 및 광 디스크 장치 Download PDF

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Publication number
KR20060134812A
KR20060134812A KR1020060055268A KR20060055268A KR20060134812A KR 20060134812 A KR20060134812 A KR 20060134812A KR 1020060055268 A KR1020060055268 A KR 1020060055268A KR 20060055268 A KR20060055268 A KR 20060055268A KR 20060134812 A KR20060134812 A KR 20060134812A
Authority
KR
South Korea
Prior art keywords
light beam
light
objective lens
optical
wavelength
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.)
Withdrawn
Application number
KR1020060055268A
Other languages
English (en)
Korean (ko)
Inventor
유카와 히로아키
Original Assignee
소니 가부시키가이샤
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 소니 가부시키가이샤 filed Critical 소니 가부시키가이샤
Publication of KR20060134812A publication Critical patent/KR20060134812A/ko
Withdrawn legal-status Critical Current

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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
    • G11B7/1395—Beam splitters or combiners
    • 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
    • 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
    • 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
    • G11B7/1374—Objective 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
KR1020060055268A 2005-06-22 2006-06-20 광 픽업 및 광 디스크 장치 Withdrawn KR20060134812A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005182512A JP2007004875A (ja) 2005-06-22 2005-06-22 光ピックアップ
JPJP-P-2005-00182512 2005-06-22

Publications (1)

Publication Number Publication Date
KR20060134812A true KR20060134812A (ko) 2006-12-28

Family

ID=37583535

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020060055268A Withdrawn KR20060134812A (ko) 2005-06-22 2006-06-20 광 픽업 및 광 디스크 장치

Country Status (5)

Country Link
US (1) US20070008858A1 (enExample)
JP (1) JP2007004875A (enExample)
KR (1) KR20060134812A (enExample)
CN (1) CN100412966C (enExample)
TW (1) TW200735079A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007026540A (ja) * 2005-07-15 2007-02-01 Toshiba Samsung Storage Technology Corp 光ピックアップ装置及び光学的情報処理装置
JPWO2008081859A1 (ja) * 2006-12-29 2010-04-30 パナソニック株式会社 光ピックアップ、光ディスク装置、複合カップリングレンズ、複合プリズム、及び光情報機器
JP2008217882A (ja) * 2007-03-02 2008-09-18 Matsushita Electric Ind Co Ltd 光ピックアップおよび光ディスク装置、コンピュータ、光ディスクプレーヤ、光ディスクレコーダ
WO2008108138A1 (ja) * 2007-03-06 2008-09-12 Nec Corporation 光ヘッド装置および光学式情報記録再生装置ならびに光学式情報記録再生方法
US20080267042A1 (en) * 2007-04-24 2008-10-30 Sanyo Electric Co., Ltd. Optical pickup device
JP2009093726A (ja) * 2007-10-05 2009-04-30 Sanyo Electric Co Ltd 光ピックアップ装置
WO2009072472A1 (ja) * 2007-12-07 2009-06-11 Sanyo Electric Co., Ltd. 光ピックアップ装置
US9699424B2 (en) 2013-01-15 2017-07-04 Sony Corporation Projection display unit and direct-view display unit
JP6107383B2 (ja) 2013-04-26 2017-04-05 ソニー株式会社 液晶表示ユニット及び投射型表示装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3031220B2 (ja) * 1995-11-21 2000-04-10 松下電器産業株式会社 光学式記録再生装置
JP3048912B2 (ja) * 1996-02-06 2000-06-05 日本電気株式会社 光ヘッド装置
KR100245666B1 (ko) * 1996-12-30 2000-02-15 전주범 와이어구동형 광 픽업장치
JP3949793B2 (ja) * 1997-10-13 2007-07-25 オリンパス株式会社 光ピックアップ
US6760295B1 (en) * 1999-01-08 2004-07-06 Pentax Corporation Optical pick-up
JP2005122861A (ja) * 2003-10-20 2005-05-12 Pioneer Electronic Corp 光ピックアップ装置および光学式記録媒体再生装置
JP4155166B2 (ja) * 2003-11-10 2008-09-24 コニカミノルタオプト株式会社 光ピックアップ装置
JP2005276312A (ja) * 2004-03-24 2005-10-06 Pioneer Electronic Corp 光ピックアップ、および、情報処理装置
KR20060047697A (ko) * 2004-05-10 2006-05-18 코니카 미놀타 옵토 인코포레이티드 광픽업 장치

Also Published As

Publication number Publication date
TW200735079A (en) 2007-09-16
CN100412966C (zh) 2008-08-20
JP2007004875A (ja) 2007-01-11
CN1885419A (zh) 2006-12-27
US20070008858A1 (en) 2007-01-11

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20060620

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid