JP2011192369A - 光ディスク装置 - Google Patents

光ディスク装置 Download PDF

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Publication number
JP2011192369A
JP2011192369A JP2010060119A JP2010060119A JP2011192369A JP 2011192369 A JP2011192369 A JP 2011192369A JP 2010060119 A JP2010060119 A JP 2010060119A JP 2010060119 A JP2010060119 A JP 2010060119A JP 2011192369 A JP2011192369 A JP 2011192369A
Authority
JP
Japan
Prior art keywords
signal
lens
tracking
optical disc
error signal
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
JP2010060119A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011192369A5 (enExample
Inventor
Fumio Isshiki
史雄 一色
Hidenori Maruyama
英紀 丸山
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
Priority to JP2010060119A priority Critical patent/JP2011192369A/ja
Priority to CN201010573412.6A priority patent/CN102194479B/zh
Priority to US12/956,167 priority patent/US8305851B2/en
Publication of JP2011192369A publication Critical patent/JP2011192369A/ja
Publication of JP2011192369A5 publication Critical patent/JP2011192369A5/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
    • G11B7/08—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
    • G11B7/0945—Methods for initialising servos, start-up sequences
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP2010060119A 2010-03-17 2010-03-17 光ディスク装置 Pending JP2011192369A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010060119A JP2011192369A (ja) 2010-03-17 2010-03-17 光ディスク装置
CN201010573412.6A CN102194479B (zh) 2010-03-17 2010-11-30 光盘装置
US12/956,167 US8305851B2 (en) 2010-03-17 2010-11-30 Optical disk apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010060119A JP2011192369A (ja) 2010-03-17 2010-03-17 光ディスク装置

Publications (2)

Publication Number Publication Date
JP2011192369A true JP2011192369A (ja) 2011-09-29
JP2011192369A5 JP2011192369A5 (enExample) 2012-10-18

Family

ID=44602419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010060119A Pending JP2011192369A (ja) 2010-03-17 2010-03-17 光ディスク装置

Country Status (3)

Country Link
US (1) US8305851B2 (enExample)
JP (1) JP2011192369A (enExample)
CN (1) CN102194479B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9007881B2 (en) 2012-01-06 2015-04-14 Mitsubishi Electric Corporation Optical head device and optical disc device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6191331B2 (ja) * 2013-08-21 2017-09-06 船井電機株式会社 光ディスク装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0750020A (ja) * 1994-05-23 1995-02-21 Canon Inc 光情報処理装置
JPH08203096A (ja) * 1995-01-27 1996-08-09 Canon Inc 光学式情報記録再生装置と情報記録再生装置
JP2000090453A (ja) * 1998-09-09 2000-03-31 Matsushita Electric Ind Co Ltd 光ディスク装置
JP2000123389A (ja) * 1998-10-16 2000-04-28 Hitachi Ltd トラッキングエラー信号オフセット補正装置および光ディスク装置
JP2006146981A (ja) * 2004-11-16 2006-06-08 Sony Corp 光学ピックアップ及び光ディスク装置
JP2006196121A (ja) * 2005-01-14 2006-07-27 Canon Inc 光学的情報記録再生装置
JP2008198256A (ja) * 2007-02-09 2008-08-28 Hitachi Media Electoronics Co Ltd 光ピックアップ装置およびそれを用いた光ディスク装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7283435B2 (en) * 2001-07-05 2007-10-16 Matsushita Electric Industrial Co., Ltd. Optical disc device
JP3779705B2 (ja) * 2003-08-13 2006-05-31 Ｔｄｋ株式会社 光ヘッド、ｌｄモジュール、光記録再生装置及び光記録再生装置に用いる回折素子
JP4231759B2 (ja) * 2003-09-22 2009-03-04 株式会社日立メディアエレクトロニクス 光情報記録装置
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
JP2006294189A (ja) * 2005-04-14 2006-10-26 Matsushita Electric Ind Co Ltd 光ディスク装置のトラッキング制御方法および光ディスク装置
CN100505051C (zh) * 2005-04-28 2009-06-24 松下电器产业株式会社 聚焦控制调整方法及光盘装置
JP2007141322A (ja) * 2005-11-16 2007-06-07 Sony Corp 光学ピックアップ、光記録再生装置及びトラッキングエラー信号検出方法
JP2011065702A (ja) * 2009-09-16 2011-03-31 Hitachi Media Electoronics Co Ltd 光ディスク装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0750020A (ja) * 1994-05-23 1995-02-21 Canon Inc 光情報処理装置
JPH08203096A (ja) * 1995-01-27 1996-08-09 Canon Inc 光学式情報記録再生装置と情報記録再生装置
JP2000090453A (ja) * 1998-09-09 2000-03-31 Matsushita Electric Ind Co Ltd 光ディスク装置
JP2000123389A (ja) * 1998-10-16 2000-04-28 Hitachi Ltd トラッキングエラー信号オフセット補正装置および光ディスク装置
JP2006146981A (ja) * 2004-11-16 2006-06-08 Sony Corp 光学ピックアップ及び光ディスク装置
JP2006196121A (ja) * 2005-01-14 2006-07-27 Canon Inc 光学的情報記録再生装置
JP2008198256A (ja) * 2007-02-09 2008-08-28 Hitachi Media Electoronics Co Ltd 光ピックアップ装置およびそれを用いた光ディスク装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9007881B2 (en) 2012-01-06 2015-04-14 Mitsubishi Electric Corporation Optical head device and optical disc device

Also Published As

Publication number Publication date
CN102194479B (zh) 2014-01-29
US20110228654A1 (en) 2011-09-22
CN102194479A (zh) 2011-09-21
US8305851B2 (en) 2012-11-06

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