JP5452040B2 - 光学的情報再生方法、光ヘッドおよび光ディスク装置 - Google Patents

光学的情報再生方法、光ヘッドおよび光ディスク装置 Download PDF

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Publication number
JP5452040B2
JP5452040B2 JP2009060420A JP2009060420A JP5452040B2 JP 5452040 B2 JP5452040 B2 JP 5452040B2 JP 2009060420 A JP2009060420 A JP 2009060420A JP 2009060420 A JP2009060420 A JP 2009060420A JP 5452040 B2 JP5452040 B2 JP 5452040B2
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JP
Japan
Prior art keywords
light
optical
path length
optical path
signal
Prior art date
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Expired - Fee Related
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JP2009060420A
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English (en)
Japanese (ja)
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JP2010218591A5 (https=
JP2010218591A (ja
Inventor
秀治 三上
貴弘 黒川
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
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Hitachi Consumer Electronics Co Ltd
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Publication date
Application filed by Hitachi Consumer Electronics Co Ltd filed Critical Hitachi Consumer Electronics Co Ltd
Priority to JP2009060420A priority Critical patent/JP5452040B2/ja
Priority to PCT/JP2010/053387 priority patent/WO2010103962A1/ja
Publication of JP2010218591A publication Critical patent/JP2010218591A/ja
Publication of JP2010218591A5 publication Critical patent/JP2010218591A5/ja
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Publication of JP5452040B2 publication Critical patent/JP5452040B2/ja
Expired - Fee Related legal-status Critical Current
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    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • G11B7/0941—Methods and circuits for servo gain or phase compensation during operation
    • 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
    • G11B7/1359—Single prisms
    • 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

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2009060420A 2009-03-13 2009-03-13 光学的情報再生方法、光ヘッドおよび光ディスク装置 Expired - Fee Related JP5452040B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009060420A JP5452040B2 (ja) 2009-03-13 2009-03-13 光学的情報再生方法、光ヘッドおよび光ディスク装置
PCT/JP2010/053387 WO2010103962A1 (ja) 2009-03-13 2010-03-03 光学的情報再生方法、光ヘッドおよび光ディスク装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009060420A JP5452040B2 (ja) 2009-03-13 2009-03-13 光学的情報再生方法、光ヘッドおよび光ディスク装置

Publications (3)

Publication Number Publication Date
JP2010218591A JP2010218591A (ja) 2010-09-30
JP2010218591A5 JP2010218591A5 (https=) 2011-10-06
JP5452040B2 true JP5452040B2 (ja) 2014-03-26

Family

ID=42728252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009060420A Expired - Fee Related JP5452040B2 (ja) 2009-03-13 2009-03-13 光学的情報再生方法、光ヘッドおよび光ディスク装置

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Country Link
JP (1) JP5452040B2 (https=)
WO (1) WO2010103962A1 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5309008B2 (ja) 2009-12-15 2013-10-09 日立コンシューマエレクトロニクス株式会社 光情報記録再生装置および光情報再生装置
JP5409479B2 (ja) 2010-03-29 2014-02-05 日立コンシューマエレクトロニクス株式会社 光情報再生装置、光情報記録装置及び情報記録方法
JP5358530B2 (ja) * 2010-07-28 2013-12-04 日立コンシューマエレクトロニクス株式会社 光情報記録再生装置及び再生装置
JP2012069189A (ja) * 2010-09-22 2012-04-05 Sony Corp 再生装置、光路長サーボ制御方法
JP2012174290A (ja) * 2011-02-17 2012-09-10 Hitachi Media Electoronics Co Ltd 光ピックアップ装置および光ディスク装置
JP5758728B2 (ja) 2011-07-26 2015-08-05 株式会社日立ハイテクノロジーズ 荷電粒子線装置
JP2013033572A (ja) * 2011-08-03 2013-02-14 Sony Corp 光ピックアップ装置、再生装置
WO2014188532A1 (ja) * 2013-05-22 2014-11-27 日立コンシューマエレクトロニクス株式会社 光情報再生装置
EP3252772B1 (en) 2015-01-30 2019-08-21 Sony Corporation Reproduction device and reproduction method
JP7017985B2 (ja) 2018-06-05 2022-02-09 株式会社日立製作所 システム及び処理条件の決定方法
CN109089113B (zh) * 2018-10-12 2019-09-10 四川长虹电器股份有限公司 一种平板电视的自动进行重显率调整的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007317284A (ja) * 2006-05-25 2007-12-06 Hitachi Ltd 光ディスク装置
JP4564948B2 (ja) * 2006-09-11 2010-10-20 株式会社日立製作所 光情報検出方法、光ヘッド及び光ディスク装置
JP4861948B2 (ja) * 2007-02-23 2012-01-25 株式会社日立製作所 光ヘッドおよび光ディスク装置
JP2008243273A (ja) * 2007-03-27 2008-10-09 Hitachi Ltd 光ヘッド及び光情報記録媒体の再生方法
JP2008269680A (ja) * 2007-04-18 2008-11-06 Hitachi Ltd 光ヘッドおよび光ディスク装置
JP5153424B2 (ja) * 2008-04-11 2013-02-27 株式会社日立製作所 光ヘッド及び光ディスク装置

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Publication number Publication date
JP2010218591A (ja) 2010-09-30
WO2010103962A1 (ja) 2010-09-16

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