DE69608474T2 - Wiedergabegerät für optische Platten - Google Patents

Wiedergabegerät für optische Platten

Info

Publication number
DE69608474T2
DE69608474T2 DE69608474T DE69608474T DE69608474T2 DE 69608474 T2 DE69608474 T2 DE 69608474T2 DE 69608474 T DE69608474 T DE 69608474T DE 69608474 T DE69608474 T DE 69608474T DE 69608474 T2 DE69608474 T2 DE 69608474T2
Authority
DE
Germany
Prior art keywords
optical disk
disk player
player
optical
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.)
Expired - Fee Related
Application number
DE69608474T
Other languages
English (en)
Other versions
DE69608474D1 (de
Inventor
You Yoshioka
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Corp filed Critical Toshiba Corp
Publication of DE69608474D1 publication Critical patent/DE69608474D1/de
Application granted granted Critical
Publication of DE69608474T2 publication Critical patent/DE69608474T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
DE69608474T 1995-01-30 1996-01-30 Wiedergabegerät für optische Platten Expired - Fee Related DE69608474T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7013165A JPH08203108A (ja) 1995-01-30 1995-01-30 光ディスク再生装置

Publications (2)

Publication Number Publication Date
DE69608474D1 DE69608474D1 (de) 2000-06-29
DE69608474T2 true DE69608474T2 (de) 2000-09-14

Family

ID=11825570

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69608474T Expired - Fee Related DE69608474T2 (de) 1995-01-30 1996-01-30 Wiedergabegerät für optische Platten

Country Status (6)

Country Link
US (1) US5675561A (de)
EP (1) EP0724257B1 (de)
JP (1) JPH08203108A (de)
KR (1) KR100220530B1 (de)
DE (1) DE69608474T2 (de)
TW (1) TW282541B (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3661297B2 (ja) * 1996-08-21 2005-06-15 ソニー株式会社 評価信号生成装置、フォーカスバイアス調整方法、スキュー調整方法
US6186400B1 (en) * 1998-03-20 2001-02-13 Symbol Technologies, Inc. Bar code reader with an integrated scanning component module mountable on printed circuit board
US6891787B1 (en) * 1999-08-24 2005-05-10 Sanyo Electric Co., Ltd. Apparatus for recording/reproducing signal on/from optical disk
JP3719075B2 (ja) * 1999-12-13 2005-11-24 松下電器産業株式会社 光ディスク装置
US20040037193A1 (en) * 2000-07-12 2004-02-26 Palle Andersen Method for improved reading of a digital data disc
JP2002304746A (ja) * 2001-04-05 2002-10-18 Pioneer Electronic Corp フォーカシング制御装置
JP4038128B2 (ja) * 2001-04-20 2008-01-23 松下電器産業株式会社 光ディスク装置
US20020186625A1 (en) * 2001-06-08 2002-12-12 Chien-Li Hung Method of rapidly adjusting optical drive focus error level
JP3927438B2 (ja) 2001-12-06 2007-06-06 富士通株式会社 光学的記憶装置及び光学装置
US6693658B2 (en) * 2001-12-20 2004-02-17 Kabushiki Kaisha Toshiba Light beam scanning apparatus
KR100878530B1 (ko) * 2002-07-29 2009-01-13 삼성전자주식회사 디스크 흠집을 방지하기 위한 제어 방법 및 그 장치
KR20040029716A (ko) * 2002-10-02 2004-04-08 삼성전자주식회사 디스크 구동기의 트랙킹 제어 방법 및 장치
US7616537B2 (en) * 2002-11-07 2009-11-10 Samsung Electronics Co., Ltd. Focus search apparatus and method
CN100373473C (zh) * 2003-04-18 2008-03-05 松下电器产业株式会社 光盘控制装置
WO2004095441A1 (en) * 2003-04-23 2004-11-04 Koninklijke Philips Electronics N.V. An optical disc unit with a focus control loop and anti-collision circuit for an optical disc unit
CN1938771B (zh) * 2004-04-02 2010-09-08 皇家飞利浦电子股份有限公司 用于写入多层光盘的方法和装置
JP4178138B2 (ja) * 2004-10-28 2008-11-12 株式会社日立製作所 フォーカス外れ検出装置、フォーカス外れ検出方法およびそれを用いた光ディスク装置
US7558160B2 (en) * 2005-06-14 2009-07-07 Lsi Corporation Demodulation of a focusing error signal during a focus search for a lens focusing control in an optical disc system
JP4783670B2 (ja) 2006-05-23 2011-09-28 株式会社日立製作所 フォーカス外れ検出装置およびそれを用いた光ディスク装置
US8730773B2 (en) * 2007-07-02 2014-05-20 Mediatek Inc. Optical data access apparatus and method thereof
JP4497192B2 (ja) * 2007-11-08 2010-07-07 船井電機株式会社 光ディスク装置
JP2011511393A (ja) * 2008-02-04 2011-04-07 パナソニック オートモーティブ システムズ カンパニー オブ アメリカ ディビジョン オブ パナソニック コーポレイション オブ ノース アメリカ 吊り下げられた媒体の読み／書きヘッドの振動減衰のための方法と装置
JP6289786B1 (ja) * 2016-10-18 2018-03-07 三菱電機株式会社 表示装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58155527A (ja) * 1982-03-10 1983-09-16 Hitachi Ltd 光デイスクプレ−ヤのフオ−カス引き込み回路
JPS5928828U (ja) * 1982-08-17 1984-02-22 パイオニア株式会社 情報検出用スポツト光の集束位置移動制御装置
JPS6077023U (ja) * 1983-11-01 1985-05-29 パイオニア株式会社 記録情報読取装置のフオ−カスレンズ移動制御装置
JPS61188745A (ja) * 1985-02-15 1986-08-22 Olympus Optical Co Ltd フオ−カスサ−ボ制御方式
JP2693475B2 (ja) * 1988-03-31 1997-12-24 キヤノン株式会社 光学的情報記録再生装置
JPH0276128A (ja) * 1988-09-13 1990-03-15 Pioneer Electron Corp フォーカスサーボ引込み方法
JP3264385B2 (ja) * 1992-09-09 2002-03-11 ソニー株式会社 光デイスク記録再生装置

Also Published As

Publication number Publication date
US5675561A (en) 1997-10-07
EP0724257B1 (de) 2000-05-24
TW282541B (de) 1996-08-01
KR100220530B1 (ko) 1999-09-15
DE69608474D1 (de) 2000-06-29
JPH08203108A (ja) 1996-08-09
KR960030133A (ko) 1996-08-17
EP0724257A1 (de) 1996-07-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee