TW200603113A - Optical disk device and optical disk processing method - Google Patents

Optical disk device and optical disk processing method

Info

Publication number
TW200603113A
TW200603113A TW094118183A TW94118183A TW200603113A TW 200603113 A TW200603113 A TW 200603113A TW 094118183 A TW094118183 A TW 094118183A TW 94118183 A TW94118183 A TW 94118183A TW 200603113 A TW200603113 A TW 200603113A
Authority
TW
Taiwan
Prior art keywords
optical disk
focus
signal
error signal
focus error
Prior art date
Application number
TW094118183A
Other languages
English (en)
Inventor
Takayuki Mori
Minoru Yonezawa
Original Assignee
Toshiba Kk
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 Toshiba Kk filed Critical Toshiba Kk
Publication of TW200603113A publication Critical patent/TW200603113A/zh

Links

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
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
TW094118183A 2004-06-25 2005-06-02 Optical disk device and optical disk processing method TW200603113A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004188097A JP2006012293A (ja) 2004-06-25 2004-06-25 光ディスク装置及び光ディスク処理方法

Publications (1)

Publication Number Publication Date
TW200603113A true TW200603113A (en) 2006-01-16

Family

ID=35505533

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094118183A TW200603113A (en) 2004-06-25 2005-06-02 Optical disk device and optical disk processing method

Country Status (5)

Country Link
US (1) US20050286358A1 (zh)
JP (1) JP2006012293A (zh)
KR (1) KR20060046376A (zh)
CN (1) CN1725314A (zh)
TW (1) TW200603113A (zh)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6240054B1 (en) * 1996-05-15 2001-05-29 Pioneer Electronic Corporation Multiple layer disk reproducing apparatus, and apparatus for reproducing information record medium
JPH1097720A (ja) * 1996-09-20 1998-04-14 Nikon Corp 情報記録再生装置
US5974009A (en) * 1996-10-29 1999-10-26 Kabushiki Kaisha Toshiba Focus control device and method for use in multilayer optical disk reproduction system
JPH1139665A (ja) * 1997-07-15 1999-02-12 Pioneer Electron Corp 多層光記録媒体用フォーカス制御装置
JP3367444B2 (ja) * 1999-02-18 2003-01-14 船井電機株式会社 光ディスクの記録再生装置に適用される光ピックアップ装置
JP4089177B2 (ja) * 2000-10-25 2008-05-28 株式会社日立製作所 光ディスク装置及び層間ジャンプ方法
KR101002538B1 (ko) * 2002-11-26 2010-12-17 파나소닉 주식회사 광 디스크 드라이브, 광의 초점을 얻는 방법, 프로세서 및 프로그램을 기억한 컴퓨터 판독 가능한 기억 매체

Also Published As

Publication number Publication date
JP2006012293A (ja) 2006-01-12
US20050286358A1 (en) 2005-12-29
CN1725314A (zh) 2006-01-25
KR20060046376A (ko) 2006-05-17

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