DE69608474D1 - Wiedergabegerät für optische Platten - Google Patents
Wiedergabegerät für optische PlattenInfo
- Publication number
- DE69608474D1 DE69608474D1 DE69608474T DE69608474T DE69608474D1 DE 69608474 D1 DE69608474 D1 DE 69608474D1 DE 69608474 T DE69608474 T DE 69608474T DE 69608474 T DE69608474 T DE 69608474T DE 69608474 D1 DE69608474 D1 DE 69608474D1
- 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
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
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 true DE69608474D1 (de) | 2000-06-29 |
DE69608474T2 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)
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)
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 |
-
1995
- 1995-01-30 JP JP7013165A patent/JPH08203108A/ja not_active Withdrawn
-
1996
- 1996-01-30 DE DE69608474T patent/DE69608474T2/de not_active Expired - Fee Related
- 1996-01-30 KR KR1019960002554A patent/KR100220530B1/ko not_active IP Right Cessation
- 1996-01-30 US US08/593,626 patent/US5675561A/en not_active Expired - Lifetime
- 1996-01-30 EP EP96300645A patent/EP0724257B1/de not_active Expired - Lifetime
- 1996-01-31 TW TW085101199A patent/TW282541B/zh active
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 |
JPH08203108A (ja) | 1996-08-09 |
DE69608474T2 (de) | 2000-09-14 |
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 |