JP2007317284A - 光ディスク装置 - Google Patents

光ディスク装置 Download PDF

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Publication number
JP2007317284A
JP2007317284A JP2006144744A JP2006144744A JP2007317284A JP 2007317284 A JP2007317284 A JP 2007317284A JP 2006144744 A JP2006144744 A JP 2006144744A JP 2006144744 A JP2006144744 A JP 2006144744A JP 2007317284 A JP2007317284 A JP 2007317284A
Authority
JP
Japan
Prior art keywords
optical
light
optical element
signal
photodetector
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.)
Pending
Application number
JP2006144744A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007317284A5 (enExample
Inventor
Takeshi Shimano
健 島野
Jiichi Miyamoto
治一 宮本
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 Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP2006144744A priority Critical patent/JP2007317284A/ja
Priority to KR1020070019304A priority patent/KR100841836B1/ko
Priority to CNB2007100850769A priority patent/CN100474420C/zh
Priority to EP07009245A priority patent/EP1860655B1/en
Priority to DE602007012169T priority patent/DE602007012169D1/de
Priority to US11/746,681 priority patent/US7715287B2/en
Publication of JP2007317284A publication Critical patent/JP2007317284A/ja
Priority to US12/754,211 priority patent/US7911889B2/en
Publication of JP2007317284A5 publication Critical patent/JP2007317284A5/ja
Pending 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
    • G11B7/1362—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
    • 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
    • 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
    • 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
    • G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
JP2006144744A 2006-05-25 2006-05-25 光ディスク装置 Pending JP2007317284A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2006144744A JP2007317284A (ja) 2006-05-25 2006-05-25 光ディスク装置
KR1020070019304A KR100841836B1 (ko) 2006-05-25 2007-02-27 광 디스크 장치
CNB2007100850769A CN100474420C (zh) 2006-05-25 2007-02-28 光盘装置
EP07009245A EP1860655B1 (en) 2006-05-25 2007-05-08 Optical disc apparatus
DE602007012169T DE602007012169D1 (de) 2006-05-25 2007-05-08 Optische Scheibenvorrichtung
US11/746,681 US7715287B2 (en) 2006-05-25 2007-05-10 Optical disk apparatus
US12/754,211 US7911889B2 (en) 2006-05-25 2010-04-05 Optical disc apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006144744A JP2007317284A (ja) 2006-05-25 2006-05-25 光ディスク装置

Publications (2)

Publication Number Publication Date
JP2007317284A true JP2007317284A (ja) 2007-12-06
JP2007317284A5 JP2007317284A5 (enExample) 2010-04-15

Family

ID=38430531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006144744A Pending JP2007317284A (ja) 2006-05-25 2006-05-25 光ディスク装置

Country Status (6)

Country Link
US (2) US7715287B2 (enExample)
EP (1) EP1860655B1 (enExample)
JP (1) JP2007317284A (enExample)
KR (1) KR100841836B1 (enExample)
CN (1) CN100474420C (enExample)
DE (1) DE602007012169D1 (enExample)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009123286A (ja) * 2007-11-15 2009-06-04 Sanyo Electric Co Ltd 光ピックアップ装置および光再生装置
JP2009252337A (ja) * 2008-04-11 2009-10-29 Hitachi Ltd 光ヘッド及び光ディスク装置
WO2010103962A1 (ja) * 2009-03-13 2010-09-16 日立コンシューマエレクトロニクス株式会社 光学的情報再生方法、光ヘッドおよび光ディスク装置
WO2013031120A1 (ja) 2011-08-30 2013-03-07 パナソニック株式会社 変調信号検出装置及び変調信号検出方法
US8488433B2 (en) 2011-06-17 2013-07-16 Panasonic Corporation Modulated signal detecting apparatus and modulated signal detecting method
WO2013150756A1 (ja) 2012-04-02 2013-10-10 パナソニック株式会社 光ピックアップ及び光ディスク装置
US8659982B2 (en) 2009-12-15 2014-02-25 Hitachi Consumer Electronics Co., Ltd. Optical information recording/reproducing apparatus and optical information reproducing apparatus

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101022099B1 (ko) * 2005-02-04 2011-03-17 엘지전자 주식회사 광픽업의 구면수차 보정장치
US8713181B2 (en) * 2007-08-03 2014-04-29 International Business Machines Corporation Method for transferring inventory between virtual universes
JP5081763B2 (ja) * 2008-08-13 2012-11-28 株式会社日立メディアエレクトロニクス 光情報検出方法、光ピックアップ及び光情報記録再生装置
CN109633668B (zh) * 2018-12-26 2021-01-15 中国科学院长春光学精密机械与物理研究所 激光测距装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05135419A (ja) * 1990-01-16 1993-06-01 Internatl Business Mach Corp <Ibm> 光学的システムにおける廃棄レーザ光の利用
JPH06162552A (ja) * 1992-11-18 1994-06-10 Sanyo Electric Co Ltd 光学的情報の再生装置

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US5804814A (en) * 1994-05-20 1998-09-08 Musha; Toru Optical pick-up head and integrated type optical unit for use in optical pick-up head
JPH04265534A (ja) * 1991-02-19 1992-09-21 Naohiro Tanno 光導波路記録媒体再生装置
US5233582A (en) * 1991-02-19 1993-08-03 Pioneer Electronic Corporation Optical waveguide recording medium playing apparatus
JP2769393B2 (ja) * 1991-04-26 1998-06-25 直弘 丹野 立体光記録装置
JP2897532B2 (ja) * 1992-06-02 1999-05-31 日本電気株式会社 相変化型光ディスクの再生方法
JP3057903B2 (ja) 1992-06-04 2000-07-04 株式会社日立製作所 光磁気ディスク装置
JP2783397B2 (ja) * 1992-09-24 1998-08-06 シャープ株式会社 光記録情報読み出し装置及び読み出し方法
JPH06223433A (ja) * 1993-01-29 1994-08-12 Nippon Hoso Kyokai <Nhk> 光磁気信号の検出方法および装置
US5729510A (en) * 1994-01-19 1998-03-17 Kabushiki Kaisha Toshiba Optical head used for recording on optical recording medium having various thicknesses, warpage and the like
JP3660415B2 (ja) * 1995-02-07 2005-06-15 富士通株式会社 光学記憶装置用光学デバイス
JPH0935284A (ja) * 1995-07-17 1997-02-07 Fujitsu Ltd 光ディスク装置
DE69740010D1 (de) * 1996-02-01 2010-11-11 Mitsubishi Rayon Co Oberflächenlichtquelle und flüssigkristallgerät, signalvorrichtung und diese verwendende signalvorrichtung zur verkehrslenkung
KR100189911B1 (ko) * 1996-05-15 1999-06-01 윤종용 광디스크 드라이브의 서보장치 및 그 제어방법
DE19638878A1 (de) * 1996-09-23 1998-03-26 Thomson Brandt Gmbh Aufzeichnungs- oder Wiedergabegerät zum Aufzeichnen auf oder Wiedergeben von einem optischen Aufzeichnungsträger
US6181666B1 (en) * 1996-10-21 2001-01-30 Olympus Optical Company, Ltd. Optical pickup
KR100478559B1 (ko) * 1997-08-29 2005-07-21 삼성전자주식회사 기록및재생가능형디스크를위한광픽업
US5883875A (en) * 1997-09-02 1999-03-16 International Business Machines Corporation Short coherent-length optical tomograph for high density volume optical data storage devices
US6229771B1 (en) * 1998-10-09 2001-05-08 Zen Research (Ireland), Ltd. Method and apparatus for generating focus error signals in a multi-beam optical disk drive
JP3782916B2 (ja) * 2000-02-18 2006-06-07 富士通株式会社 光情報記憶装置および光学素子
US20020036958A1 (en) * 2000-07-24 2002-03-28 Hidenori Wada Optical element, optical head, optical recording/reproducing apparatus and optical recording/reproducing method
JP3639202B2 (ja) 2000-07-05 2005-04-20 株式会社オプトウエア 光情報記録装置および方法、光情報再生装置および方法、ならびに光情報記録再生装置および方法
TW591248B (en) * 2001-05-12 2004-06-11 Samsung Electronics Co Ltd Many-sided reflection prism and optical pickup
TW200306550A (en) * 2002-03-29 2003-11-16 Matsushita Electric Industrial Co Ltd Optical pick-up apparatus and optical disc apparatus
JP2004022083A (ja) 2002-06-18 2004-01-22 Optware:Kk 光ピックアップ装置
JP2004030734A (ja) 2002-06-24 2004-01-29 Optware:Kk 光ピックアップ装置
CN1300777C (zh) * 2003-10-17 2007-02-14 上海乐金广电电子有限公司 聚焦错误信号和跟踪错误信号的干涉去除装置和方法
JP2007213755A (ja) * 2006-01-13 2007-08-23 Sony Corp 光ディスク装置、光ピックアップ装置及び非点収差の抑制方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05135419A (ja) * 1990-01-16 1993-06-01 Internatl Business Mach Corp <Ibm> 光学的システムにおける廃棄レーザ光の利用
JPH06162552A (ja) * 1992-11-18 1994-06-10 Sanyo Electric Co Ltd 光学的情報の再生装置

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009123286A (ja) * 2007-11-15 2009-06-04 Sanyo Electric Co Ltd 光ピックアップ装置および光再生装置
JP2009252337A (ja) * 2008-04-11 2009-10-29 Hitachi Ltd 光ヘッド及び光ディスク装置
WO2010103962A1 (ja) * 2009-03-13 2010-09-16 日立コンシューマエレクトロニクス株式会社 光学的情報再生方法、光ヘッドおよび光ディスク装置
JP2010218591A (ja) * 2009-03-13 2010-09-30 Hitachi Ltd 光学的情報再生方法、光ヘッドおよび光ディスク装置
US8659982B2 (en) 2009-12-15 2014-02-25 Hitachi Consumer Electronics Co., Ltd. Optical information recording/reproducing apparatus and optical information reproducing apparatus
US8488433B2 (en) 2011-06-17 2013-07-16 Panasonic Corporation Modulated signal detecting apparatus and modulated signal detecting method
WO2013031120A1 (ja) 2011-08-30 2013-03-07 パナソニック株式会社 変調信号検出装置及び変調信号検出方法
US9042002B2 (en) 2011-08-30 2015-05-26 Panasonic Intellectual Property Management Co., Ltd. Modulated signal detecting apparatus and modulated signal detecting method
WO2013150756A1 (ja) 2012-04-02 2013-10-10 パナソニック株式会社 光ピックアップ及び光ディスク装置
US8879375B2 (en) 2012-04-02 2014-11-04 Panasonic Corporation Optical pickup and optical disk device

Also Published As

Publication number Publication date
US20100188961A1 (en) 2010-07-29
EP1860655B1 (en) 2011-01-26
US20070274171A1 (en) 2007-11-29
EP1860655A3 (en) 2008-01-23
EP1860655A2 (en) 2007-11-28
KR20070113960A (ko) 2007-11-29
US7715287B2 (en) 2010-05-11
KR100841836B1 (ko) 2008-06-27
CN101079282A (zh) 2007-11-28
CN100474420C (zh) 2009-04-01
US7911889B2 (en) 2011-03-22
DE602007012169D1 (de) 2011-03-10

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