TW200735079A - Optical pickup and optical disc apparatus - Google Patents

Optical pickup and optical disc apparatus

Info

Publication number
TW200735079A
TW200735079A TW095121904A TW95121904A TW200735079A TW 200735079 A TW200735079 A TW 200735079A TW 095121904 A TW095121904 A TW 095121904A TW 95121904 A TW95121904 A TW 95121904A TW 200735079 A TW200735079 A TW 200735079A
Authority
TW
Taiwan
Prior art keywords
light beam
objective lens
optical
optical pickup
light
Prior art date
Application number
TW095121904A
Other languages
English (en)
Chinese (zh)
Inventor
Hiroaki Yukawa
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of TW200735079A publication Critical patent/TW200735079A/zh

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
    • G11B7/1395—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)
TW095121904A 2005-06-22 2006-06-19 Optical pickup and optical disc apparatus TW200735079A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
TW200735079A true TW200735079A (en) 2007-09-16

Family

ID=37583535

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095121904A TW200735079A (en) 2005-06-22 2006-06-19 Optical pickup and optical disc apparatus

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
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
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
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
CN104871076B (zh) 2013-01-15 2018-05-01 索尼公司 投影型显示装置和直视型显示装置
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
TW200540857A (en) * 2004-05-10 2005-12-16 Konica Minolta Opto Inc Optical pickup apparatus

Also Published As

Publication number Publication date
KR20060134812A (ko) 2006-12-28
CN1885419A (zh) 2006-12-27
CN100412966C (zh) 2008-08-20
JP2007004875A (ja) 2007-01-11
US20070008858A1 (en) 2007-01-11

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