CN100412966C - 光学拾取器和光盘装置 - Google Patents

光学拾取器和光盘装置 Download PDF

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Publication number
CN100412966C
CN100412966C CNB2006100867731A CN200610086773A CN100412966C CN 100412966 C CN100412966 C CN 100412966C CN B2006100867731 A CNB2006100867731 A CN B2006100867731A CN 200610086773 A CN200610086773 A CN 200610086773A CN 100412966 C CN100412966 C CN 100412966C
Authority
CN
China
Prior art keywords
light beam
optical
wavelength
light
optical disc
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 - Fee Related
Application number
CNB2006100867731A
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English (en)
Chinese (zh)
Other versions
CN1885419A (zh
Inventor
汤川弘章
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.)
Sony Corp
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 CN1885419A publication Critical patent/CN1885419A/zh
Application granted granted Critical
Publication of CN100412966C publication Critical patent/CN100412966C/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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)
CNB2006100867731A 2005-06-22 2006-06-22 光学拾取器和光盘装置 Expired - Fee Related CN100412966C (zh)

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
JP2005182512 2005-06-22

Publications (2)

Publication Number Publication Date
CN1885419A CN1885419A (zh) 2006-12-27
CN100412966C true CN100412966C (zh) 2008-08-20

Family

ID=37583535

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006100867731A Expired - Fee Related CN100412966C (zh) 2005-06-22 2006-06-22 光学拾取器和光盘装置

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
WO2008081859A1 (ja) 2006-12-29 2008-07-10 Panasonic Corporation 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
US20100220577A1 (en) * 2007-03-06 2010-09-02 Ryuichi Katayama Optical head device, optical information recording/reproducing device, and optical information recording/reproducing method
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
CN108681197B (zh) 2013-01-15 2021-06-25 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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09147405A (ja) * 1995-11-21 1997-06-06 Matsushita Electric Ind Co Ltd 光学式記録再生装置
US5784354A (en) * 1996-12-30 1998-07-21 Daewoo Electronics Co., Ltd. Optical pickup device
JPH11120606A (ja) * 1997-10-13 1999-04-30 Olympus Optical Co Ltd 光ピックアップ
CN1354875A (zh) * 1999-01-08 2002-06-19 旭光学工业株式会社 光学拾取装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3048912B2 (ja) * 1996-02-06 2000-06-05 日本電気株式会社 光ヘッド装置
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09147405A (ja) * 1995-11-21 1997-06-06 Matsushita Electric Ind Co Ltd 光学式記録再生装置
US5784354A (en) * 1996-12-30 1998-07-21 Daewoo Electronics Co., Ltd. Optical pickup device
JPH11120606A (ja) * 1997-10-13 1999-04-30 Olympus Optical Co Ltd 光ピックアップ
CN1354875A (zh) * 1999-01-08 2002-06-19 旭光学工业株式会社 光学拾取装置

Also Published As

Publication number Publication date
KR20060134812A (ko) 2006-12-28
JP2007004875A (ja) 2007-01-11
TW200735079A (en) 2007-09-16
CN1885419A (zh) 2006-12-27
US20070008858A1 (en) 2007-01-11

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Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080820