JP2007507822A - ディスクドライブ装置 - Google Patents

ディスクドライブ装置 Download PDF

Info

Publication number
JP2007507822A
JP2007507822A JP2006530936A JP2006530936A JP2007507822A JP 2007507822 A JP2007507822 A JP 2007507822A JP 2006530936 A JP2006530936 A JP 2006530936A JP 2006530936 A JP2006530936 A JP 2006530936A JP 2007507822 A JP2007507822 A JP 2007507822A
Authority
JP
Japan
Prior art keywords
signal
signals
type
control circuit
disk
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
JP2006530936A
Other languages
English (en)
Japanese (ja)
Inventor
エフ ヘールチェス，マルセル
エル エム クレメルス，フランシスキュス
ビー スパーリング，フランク
アー エル レーンクネフト，ヘオルヘ
ルンプフ，ホルスト
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
Koninklijke Philips Electronics NV
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 Koninklijke Philips NV, Koninklijke Philips Electronics NV filed Critical Koninklijke Philips NV
Publication of JP2007507822A publication Critical patent/JP2007507822A/ja
Pending legal-status Critical Current

Links

Images

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
    • G11B7/0948—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 specially adapted for detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
    • 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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • 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
    • G11B7/08—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
    • G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP2006530936A 2003-10-02 2004-09-28 ディスクドライブ装置 Pending JP2007507822A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03103662 2003-10-02
PCT/IB2004/051891 WO2005034103A2 (fr) 2003-10-02 2004-09-28 Appareil du type unite de disque

Publications (1)

Publication Number Publication Date
JP2007507822A true JP2007507822A (ja) 2007-03-29

Family

ID=34400546

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006530936A Pending JP2007507822A (ja) 2003-10-02 2004-09-28 ディスクドライブ装置

Country Status (6)

Country Link
EP (1) EP1671320A2 (fr)
JP (1) JP2007507822A (fr)
KR (1) KR20060088890A (fr)
CN (1) CN1860533A (fr)
TW (1) TW200516572A (fr)
WO (1) WO2005034103A2 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19640870A1 (de) * 1996-10-04 1998-04-09 Thomson Brandt Gmbh Aufzeichnungs- oder Wiedergabegerät für optische Informationsträger mit einem Servo-Regelkreis und Verfahren zur Fehlersignalbehandlung in einem solchen
DE19931835A1 (de) * 1999-07-09 2001-01-11 Thomson Brandt Gmbh Gerät zum Lesen oder Beschreiben optischer Aufzeichnungsträger
KR20030019948A (ko) * 2001-05-03 2003-03-07 코닌클리케 필립스 일렉트로닉스 엔.브이. 광학 주사장치
JP3566701B2 (ja) * 2002-01-31 2004-09-15 株式会社東芝 光ディスク記録再生装置

Also Published As

Publication number Publication date
WO2005034103A3 (fr) 2005-08-25
KR20060088890A (ko) 2006-08-07
CN1860533A (zh) 2006-11-08
EP1671320A2 (fr) 2006-06-21
TW200516572A (en) 2005-05-16
WO2005034103A2 (fr) 2005-04-14

Similar Documents

Publication Publication Date Title
JP4159550B2 (ja) 機械的衝撃に対して改善された耐性を備えるディスクドライブ
JP2006511028A5 (fr)
JP4083761B2 (ja) 記録パワー値決定方法、および光ディスク装置
JP4419200B2 (ja) 種々の構造を有する光記録媒体への書き込み及び／又は読み出し装置
KR100926870B1 (ko) 광디스크 장치, 그 제어방법, 및 컴퓨터로 읽을 수 있는 기록매체
EP1665239B1 (fr) Appareil du type unit de disque
JP2007507822A (ja) ディスクドライブ装置
EP1609140B1 (fr) Procede et dispositif de mesure de l'inclinaison d'un disque optique
KR20040107044A (ko) 광 디스크 판별 방법 및 그 장치
KR20050116159A (ko) 디스크 드라이브 장치와, 씨디 및 디브이디를 인식하는방법
KR20070106730A (ko) 비선형 관측기를 갖는 디스크 드라이브 장치
JP5651884B2 (ja) ディスク検査装置およびディスク検査方法
US20070070837A1 (en) Disc drive apparatus
JP2007514264A (ja) 欠陥についてロバストな光ディスクサーボ
JPH09212892A (ja) 光学ディスク再生装置及び光学ディスク
CN101226755B (zh) 盘装置
US20060215521A1 (en) Disc drive apparatus
JP5421776B2 (ja) 光ディスクシステムにおけるやや最適なジャンプによる改善されたフォーカス最適化ルーチンに関する方法、光ディスクシステム、及びコンピュータ読み出し可能な媒体
KR100948145B1 (ko) 포커스 서보 제어 방법 및 장치와 이를 이용한 광 디스크드라이브
JPH09306087A (ja) ディスク判別方法及びディスク判別装置並びにそれを用いた光ディスク装置
KR100748137B1 (ko) 광디스크의 레디얼 틸트 제어방법, 제어장치 및 이를구비한 광디스크 재생장치
JP2008047164A (ja) ディフェクト検出回路及び制御装置
JPH03273530A (ja) 光デイスクシステムのクロストーク測定方法
JP2001160254A (ja) 記憶媒体の駆動装置およびその方法ならびに情報処理装置
KR20050085794A (ko) 기계적 쇼크에 대한 내성이 향상된 디스크 구동장치