CN102194479B - 光盘装置 - Google Patents

光盘装置 Download PDF

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Publication number
CN102194479B
CN102194479B CN201010573412.6A CN201010573412A CN102194479B CN 102194479 B CN102194479 B CN 102194479B CN 201010573412 A CN201010573412 A CN 201010573412A CN 102194479 B CN102194479 B CN 102194479B
Authority
CN
China
Prior art keywords
signal
lens
optical disc
tracking
disc apparatus
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
CN201010573412.6A
Other languages
English (en)
Chinese (zh)
Other versions
CN102194479A (zh
Inventor
一色史雄
丸山英纪
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 CN102194479A publication Critical patent/CN102194479A/zh
Application granted granted Critical
Publication of CN102194479B publication Critical patent/CN102194479B/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
    • G11B7/08—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)
CN201010573412.6A 2010-03-17 2010-11-30 光盘装置 Expired - Fee Related CN102194479B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010060119A JP2011192369A (ja) 2010-03-17 2010-03-17 光ディスク装置
JP2010-060119 2010-03-17

Publications (2)

Publication Number Publication Date
CN102194479A CN102194479A (zh) 2011-09-21
CN102194479B true CN102194479B (zh) 2014-01-29

Family

ID=44602419

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010573412.6A Expired - Fee Related CN102194479B (zh) 2010-03-17 2010-11-30 光盘装置

Country Status (3)

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

Families Citing this family (2)

* 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
JP6191331B2 (ja) * 2013-08-21 2017-09-06 船井電機株式会社 光ディスク装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003005352A1 (en) * 2001-07-05 2003-01-16 Matsushita Electric Industrial Co., Ltd. Optical disk device
CN1855252A (zh) * 2005-04-28 2006-11-01 松下电器产业株式会社 聚焦控制调整方法及光盘装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2633194B2 (ja) * 1994-05-23 1997-07-23 キヤノン株式会社 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
JP4000680B2 (ja) * 1998-09-09 2007-10-31 松下電器産業株式会社 光ディスク装置
JP3658508B2 (ja) * 1998-10-16 2005-06-08 株式会社日立製作所 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
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
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
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
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
JP5124148B2 (ja) * 2007-02-09 2013-01-23 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およびそれを用いた光ディスク装置
JP2011065702A (ja) * 2009-09-16 2011-03-31 Hitachi Media Electoronics Co Ltd 光ディスク装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003005352A1 (en) * 2001-07-05 2003-01-16 Matsushita Electric Industrial Co., Ltd. Optical disk device
CN1855252A (zh) * 2005-04-28 2006-11-01 松下电器产业株式会社 聚焦控制调整方法及光盘装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2006-294189A 2006.10.26

Also Published As

Publication number Publication date
US20110228654A1 (en) 2011-09-22
CN102194479A (zh) 2011-09-21
JP2011192369A (ja) 2011-09-29
US8305851B2 (en) 2012-11-06

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Granted publication date: 20140129

Termination date: 20141130

EXPY Termination of patent right or utility model