KR20070053114A - 재생 장치, 구면수차 보정치 및 포커스 바이어스 조정 방법 - Google Patents

재생 장치, 구면수차 보정치 및 포커스 바이어스 조정 방법 Download PDF

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Publication number
KR20070053114A
KR20070053114A KR1020060112152A KR20060112152A KR20070053114A KR 20070053114 A KR20070053114 A KR 20070053114A KR 1020060112152 A KR1020060112152 A KR 1020060112152A KR 20060112152 A KR20060112152 A KR 20060112152A KR 20070053114 A KR20070053114 A KR 20070053114A
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KR
South Korea
Prior art keywords
value
spherical aberration
aberration correction
focus bias
points
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.)
Withdrawn
Application number
KR1020060112152A
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English (en)
Korean (ko)
Inventor
세이이치 사가라
Original Assignee
소니 가부시끼 가이샤
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 소니 가부시끼 가이샤 filed Critical 소니 가부시끼 가이샤
Publication of KR20070053114A publication Critical patent/KR20070053114A/ko
Withdrawn legal-status Critical Current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
    • G11B7/004—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
    • G11B7/094—Methods and circuits for servo offset compensation
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • 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
    • G11B7/13927—Means for controlling the beam wavefront, e.g. for correction of aberration active, e.g. controlled by electrical or mechanical means during transducing, e.g. to correct for variation of the spherical aberration due to disc tilt or irregularities in the cover layer thickness
    • 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
    • G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing
    • 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
    • G11B7/0908—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 focusing only

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Automatic Focus Adjustment (AREA)
  • Picture Signal Circuits (AREA)
KR1020060112152A 2005-11-18 2006-11-14 재생 장치, 구면수차 보정치 및 포커스 바이어스 조정 방법 Withdrawn KR20070053114A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2005-00334137 2005-11-18
JP2005334137A JP4407623B2 (ja) 2005-11-18 2005-11-18 再生装置、球面収差補正値及びフォーカスバイアス調整方法

Publications (1)

Publication Number Publication Date
KR20070053114A true KR20070053114A (ko) 2007-05-23

Family

ID=38076403

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020060112152A Withdrawn KR20070053114A (ko) 2005-11-18 2006-11-14 재생 장치, 구면수차 보정치 및 포커스 바이어스 조정 방법

Country Status (5)

Country Link
US (1) US7768880B2 (enExample)
JP (1) JP4407623B2 (enExample)
KR (1) KR20070053114A (enExample)
CN (1) CN100511444C (enExample)
TW (1) TW200733095A (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4825579B2 (ja) * 2006-05-23 2011-11-30 株式会社日立製作所 光ディスク装置
JP4231072B2 (ja) * 2006-09-26 2009-02-25 ソニーＮｅｃオプティアーク株式会社 光記録媒体駆動装置、球面収差調整方法
JP4420920B2 (ja) * 2006-11-08 2010-02-24 ソニーオプティアーク株式会社 光記録媒体駆動装置、フォーカスオン方法
JP4823114B2 (ja) * 2007-03-23 2011-11-24 三洋電機株式会社 光ディスク装置
JP4994163B2 (ja) * 2007-09-07 2012-08-08 太陽誘電株式会社 光ディスクの記録方法及び光ディスク記録再生装置
JP5143031B2 (ja) * 2008-01-22 2013-02-13 パナソニック株式会社 光ディスクドライブ、光ディスクシステム、光ディスクシステムを搭載した移動体、プログラム、及び記録媒体
US8031569B2 (en) * 2008-05-09 2011-10-04 Apple Inc. Playing data from an optical media drive
US20100034061A1 (en) * 2008-08-11 2010-02-11 Chih-Ching Yu Optical storage apparatus and control chip for accessing an optical disc and method thereof
EP2357650B1 (en) * 2008-12-10 2018-02-21 Mitsubishi Electric Corporation Method for processing optical information and device for processing optical information
WO2010101000A1 (ja) * 2009-03-02 2010-09-10 株式会社ソニー・コンピュータエンタテインメント 光ディスク装置、その制御方法、プログラム及び情報記憶媒体
JP5564188B2 (ja) * 2009-03-02 2014-07-30 株式会社ソニー・コンピュータエンタテインメント 光ディスク装置、その制御方法、プログラム及び情報記憶媒体
JP5564189B2 (ja) * 2009-03-02 2014-07-30 株式会社ソニー・コンピュータエンタテインメント 光ディスク装置、その制御方法、プログラム及び情報記憶媒体
JP5051178B2 (ja) * 2009-05-21 2012-10-17 船井電機株式会社 光ディスク装置
JP5453976B2 (ja) * 2009-07-21 2014-03-26 ソニー株式会社 光ディスク装置
TWI406275B (zh) * 2010-08-20 2013-08-21 Sunplus Technology Co Ltd 光碟機中尋找最佳聚焦偏壓及球差補償值的方法與裝置
JP5724546B2 (ja) * 2011-03-31 2015-05-27 富士通オプティカルコンポーネンツ株式会社 光送信機および光波形補償方法
JP2012256381A (ja) 2011-06-07 2012-12-27 Funai Electric Co Ltd 光ディスク装置
DE112013001616T5 (de) * 2012-03-22 2014-12-24 Mitsubishi Electric Corporation Optik-Informations-Verarbeitungssvorrichtung und Optik-Informations-Verarbeitungsverfahren, sowie Einstellvorrichtung, Einstellverfahren und Einstellprogramm für Optik-Informations-Verarbeitungsvorrichtung
JP6554668B2 (ja) * 2015-03-11 2019-08-07 パナソニックＩｐマネジメント株式会社 記録再生装置
CN111597597B (zh) * 2020-05-11 2023-03-28 内蒙古京泰发电有限责任公司 一种pdms天圆地方结构体设备模型的创建方法
JP7560387B2 (ja) * 2021-03-09 2024-10-02 株式会社キーエンス 光学式変位計測システム、処理装置、光学式変位計測方法および光学式変位計測プログラム

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JPH09251645A (ja) 1996-03-15 1997-09-22 Sony Corp 記録媒体記録再生装置および記録媒体記録再生方法
JPH10269611A (ja) 1997-03-27 1998-10-09 Pioneer Electron Corp 光ピックアップ及びそれを用いた多層ディスク再生装置
US6151154A (en) * 1998-03-12 2000-11-21 Pioneer Electronic Corporation Optical pickup, aberration correction unit and astigmatism measurement method
JP2000011388A (ja) 1998-06-19 2000-01-14 Sony Corp 光情報記録再生装置および光情報記録再生方法
JP2000285484A (ja) 1999-03-31 2000-10-13 Toshiba Corp フォーカスバランス調整装置及びディスク再生装置
WO2002073610A1 (en) * 2001-03-12 2002-09-19 Sony Corporation Optical head, optical device, and aberration correcting element
JP2002324328A (ja) * 2001-04-25 2002-11-08 Pioneer Electronic Corp 情報再生装置および光学式記録媒体
JP2002352449A (ja) 2001-05-23 2002-12-06 Sony Corp 光学ピックアップ装置及び記録再生装置
WO2003005352A1 (en) * 2001-07-05 2003-01-16 Matsushita Electric Industrial Co., Ltd. Optical disk device
US7277365B2 (en) * 2001-12-07 2007-10-02 Matsushita Electric Industrial Co., Ltd. Optical information processing apparatus and method of processing optical information
JP4727971B2 (ja) * 2004-11-11 2011-07-20 株式会社日立製作所 光ディスク記録再生装置

Also Published As

Publication number Publication date
CN1967676A (zh) 2007-05-23
US7768880B2 (en) 2010-08-03
TWI330840B (enExample) 2010-09-21
CN100511444C (zh) 2009-07-08
TW200733095A (en) 2007-09-01
US20070159951A1 (en) 2007-07-12
JP2007141369A (ja) 2007-06-07
JP4407623B2 (ja) 2010-02-03

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Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20061114

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid