CN100583255C - 光学拾取装置 - Google Patents

光学拾取装置 Download PDF

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Publication number
CN100583255C
CN100583255C CN200710005764A CN200710005764A CN100583255C CN 100583255 C CN100583255 C CN 100583255C CN 200710005764 A CN200710005764 A CN 200710005764A CN 200710005764 A CN200710005764 A CN 200710005764A CN 100583255 C CN100583255 C CN 100583255C
Authority
CN
China
Prior art keywords
mentioned
optical
ray
converging
optical system
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
CN200710005764A
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English (en)
Chinese (zh)
Other versions
CN101192428A (zh
Inventor
木村茂治
岛野健
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.)
Hitachi Consumer Electronics Co Ltd
Original Assignee
Hitachi Media Electronics 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 Hitachi Media Electronics Co Ltd filed Critical Hitachi Media Electronics Co Ltd
Publication of CN101192428A publication Critical patent/CN101192428A/zh
Application granted granted Critical
Publication of CN100583255C publication Critical patent/CN100583255C/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
    • G11B7/1372—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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0903—Multi-beam tracking systems
    • 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
    • G11B7/1362—Mirrors
    • 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)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
CN200710005764A 2006-11-27 2007-02-13 光学拾取装置 Expired - Fee Related CN100583255C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006319080A JP4763581B2 (ja) 2006-11-27 2006-11-27 光ピックアップ装置
JP2006319080 2006-11-27

Publications (2)

Publication Number Publication Date
CN101192428A CN101192428A (zh) 2008-06-04
CN100583255C true CN100583255C (zh) 2010-01-20

Family

ID=39465462

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200710005764A Expired - Fee Related CN100583255C (zh) 2006-11-27 2007-02-13 光学拾取装置

Country Status (3)

Country Link
US (1) US7664005B2 (https=)
JP (1) JP4763581B2 (https=)
CN (1) CN100583255C (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080076650A (ko) * 2007-02-16 2008-08-20 삼성전자주식회사 광 픽업과 이를 갖는 디스크장치
CN101339779B (zh) * 2008-07-09 2011-11-02 中国华录·松下电子信息有限公司 光盘视盘机的循迹伺服方法及专用装置
JP5094691B2 (ja) * 2008-12-09 2012-12-12 株式会社日立メディアエレクトロニクス 光ピックアップ装置
JP5149235B2 (ja) * 2009-04-20 2013-02-20 株式会社日立メディアエレクトロニクス 光ピックアップ装置
JP5286233B2 (ja) 2009-11-27 2013-09-11 株式会社日立メディアエレクトロニクス 光ピックアップ装置
US8787137B2 (en) 2011-01-20 2014-07-22 Mitsubishi Electric Corporation Optical pickup device and optical disc device
US9689987B1 (en) * 2012-06-13 2017-06-27 Physical Optics Corporation Integrative optics system, device, and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1243310A (zh) * 1998-07-29 2000-02-02 三星电机株式会社 光拾取器
JP2002367211A (ja) * 2001-06-11 2002-12-20 Hitachi Ltd 光学情報記録再生装置
JP2004234818A (ja) * 2003-01-07 2004-08-19 Matsushita Electric Ind Co Ltd 光学ヘッド
CN1630904A (zh) * 2001-12-14 2005-06-22 松下电器产业株式会社 光学信息再现方法、光学头设备以及光学信息处理装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3670720B2 (ja) * 1995-07-25 2005-07-13 ペンタックス株式会社 情報読み取り装置の製造方法
JP4325468B2 (ja) 2004-04-07 2009-09-02 株式会社日立製作所 光情報記録再生装置
JP2008004239A (ja) * 2006-06-26 2008-01-10 Sharp Corp 光ピックアップおよびこれを備える光ディスクドライブ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1243310A (zh) * 1998-07-29 2000-02-02 三星电机株式会社 光拾取器
JP2002367211A (ja) * 2001-06-11 2002-12-20 Hitachi Ltd 光学情報記録再生装置
CN1630904A (zh) * 2001-12-14 2005-06-22 松下电器产业株式会社 光学信息再现方法、光学头设备以及光学信息处理装置
JP2004234818A (ja) * 2003-01-07 2004-08-19 Matsushita Electric Ind Co Ltd 光学ヘッド

Also Published As

Publication number Publication date
JP2008135097A (ja) 2008-06-12
JP4763581B2 (ja) 2011-08-31
CN101192428A (zh) 2008-06-04
US7664005B2 (en) 2010-02-16
US20080127238A1 (en) 2008-05-29

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Legal Events

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
C56 Change in the name or address of the patentee

Owner name: HITACHI AUDIO-VISUAL MEDIA CO., LTD.

Free format text: FORMER NAME: HITACHI MEDIUM ELECTRONIC CO.

CP01 Change in the name or title of a patent holder

Address after: Iwate County

Patentee after: Hitachi Audio-visual Media Co., Ltd.

Address before: Iwate County

Patentee before: Hitachi medium Electronic Co.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100120

Termination date: 20150213

EXPY Termination of patent right or utility model