DE69710149D1 - System zum Lesen von auf einer Scheibe aufgezeichneter Information - Google Patents
System zum Lesen von auf einer Scheibe aufgezeichneter InformationInfo
- Publication number
- DE69710149D1 DE69710149D1 DE69710149T DE69710149T DE69710149D1 DE 69710149 D1 DE69710149 D1 DE 69710149D1 DE 69710149 T DE69710149 T DE 69710149T DE 69710149 T DE69710149 T DE 69710149T DE 69710149 D1 DE69710149 D1 DE 69710149D1
- Authority
- DE
- Germany
- Prior art keywords
- disc
- information recorded
- reading information
- reading
- recorded
- 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
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/28—Speed controlling, regulating, or indicating
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
-
- 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
-
- 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
- G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—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 discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8252288A JPH1079164A (ja) | 1996-09-03 | 1996-09-03 | 情報読取装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69710149D1 true DE69710149D1 (de) | 2002-03-14 |
DE69710149T2 DE69710149T2 (de) | 2002-09-26 |
Family
ID=17235178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69710149T Expired - Fee Related DE69710149T2 (de) | 1996-09-03 | 1997-09-01 | System zum Lesen von auf einer Scheibe aufgezeichneter Information |
Country Status (4)
Country | Link |
---|---|
US (1) | US6226245B1 (de) |
EP (1) | EP0833328B1 (de) |
JP (1) | JPH1079164A (de) |
DE (1) | DE69710149T2 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1006523A1 (de) | 1998-12-03 | 2000-06-07 | Deutsche Thomson-Brandt Gmbh | Überwachung und Einstellung des Motorstroms eines Datenplattenlaufwerks zur Optimierung der Plattenumdrehungsgeschwindigkeit |
EP1006524B1 (de) * | 1998-12-03 | 2012-02-22 | Thomson Licensing | Überwachung und Einstellung des Motorstroms eines Datenplattenlaufwerks zur Optimierung der Plattenumdrehungsgeschwindigkeit |
KR20000061687A (ko) | 1999-03-30 | 2000-10-25 | 구자홍 | 광 디스크 재생배속 제어장치 및 제어방법 |
JP2001035068A (ja) * | 1999-07-08 | 2001-02-09 | Samsung Electronics Co Ltd | 振動誘発ディスク再生装置及び方法 |
KR100626490B1 (ko) * | 1999-09-21 | 2006-09-20 | 엘지전자 주식회사 | 광 디스크의 재생배속 조정방법 |
DE19955251A1 (de) * | 1999-11-17 | 2001-05-23 | Bosch Gmbh Robert | Verfahren zur Regelung der Nachführung einer Abtastvorrichtung und Laufwerk dafür |
JP2002222522A (ja) * | 2001-01-24 | 2002-08-09 | Matsushita Electric Ind Co Ltd | 情報ディスク記録再生装置、及び情報ディスク記録再生装置の振動検出方法 |
JP2003263760A (ja) * | 2002-03-08 | 2003-09-19 | Toshiba Corp | 回転補正回路、半導体集積回路、光ディスク装置及び回転補正方法 |
JP2004030720A (ja) * | 2002-06-21 | 2004-01-29 | Mitsumi Electric Co Ltd | ディスク駆動装置の偏重心ディスク検知方法及びディスク駆動装置 |
JP4015642B2 (ja) * | 2004-05-28 | 2007-11-28 | 株式会社日立エルジーデータストレージ | 光ディスク装置及び光ディスクの回転速度制御方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3049919B2 (ja) * | 1992-01-31 | 2000-06-05 | ソニー株式会社 | データ再生装置 |
JPH05303826A (ja) * | 1992-04-24 | 1993-11-16 | Matsushita Electric Ind Co Ltd | 情報記録再生方法 |
JPH087456A (ja) * | 1994-06-17 | 1996-01-12 | Aiwa Co Ltd | 信号再生装置 |
KR0143529B1 (ko) * | 1994-06-22 | 1998-07-15 | 김광호 | 디스크 회전 제어 장치 및 방법 |
JP3477941B2 (ja) * | 1994-11-25 | 2003-12-10 | ソニー株式会社 | ディスク再生装置の信号処理回路 |
JPH08167239A (ja) * | 1994-12-07 | 1996-06-25 | Sony Corp | 再生装置及び回転サーボ回路 |
JP3530609B2 (ja) * | 1994-12-28 | 2004-05-24 | ソニー株式会社 | ディスク装置 |
JPH0973729A (ja) * | 1995-09-07 | 1997-03-18 | Pioneer Electron Corp | 情報読取装置 |
US5740356A (en) * | 1996-02-01 | 1998-04-14 | Delta Electronics, Inc. | Read-error management during retrieving data storage-medium employing a data-retrieving optical beam |
JP3432663B2 (ja) * | 1996-02-13 | 2003-08-04 | パイオニア株式会社 | 回転制御方法及び装置 |
JPH09274771A (ja) * | 1996-04-03 | 1997-10-21 | Sanyo Electric Co Ltd | ディスクプレーヤ |
JPH09306092A (ja) * | 1996-05-13 | 1997-11-28 | Toshiba Corp | ディスク再生方法とディスク再生装置 |
KR0176599B1 (ko) * | 1996-05-14 | 1999-04-15 | 김광호 | 씨디-롬 드라이브의 구동방법 |
US5886966A (en) * | 1996-05-16 | 1999-03-23 | Sanyo Electric Co., Ltd. | Optical disk vibration sensing and reproducing device |
JPH1069709A (ja) * | 1996-06-21 | 1998-03-10 | Teac Corp | デ−タ再生方法及び装置 |
JPH1011882A (ja) * | 1996-06-27 | 1998-01-16 | Toshiba Corp | ディスク再生装置とその制御方法 |
JP3092657B2 (ja) * | 1996-07-10 | 2000-09-25 | ティアック株式会社 | デ−タ再生方法及び装置 |
JPH1083615A (ja) * | 1996-07-17 | 1998-03-31 | Teac Corp | デ−タ再生方法及び装置 |
JPH1040640A (ja) * | 1996-07-24 | 1998-02-13 | Hitachi Ltd | ディスク再生方法およびディスク再生装置 |
US6195322B1 (en) * | 1996-07-25 | 2001-02-27 | Sony Corporation | Disk drive device and method of setting rotational speed thereof |
US5808990A (en) * | 1996-12-17 | 1998-09-15 | Cinram, Inc. | Method and apparatus for controlling the linear velocity between an optical head and a rotation disk |
-
1996
- 1996-09-03 JP JP8252288A patent/JPH1079164A/ja active Pending
-
1997
- 1997-09-01 EP EP97115128A patent/EP0833328B1/de not_active Expired - Lifetime
- 1997-09-01 DE DE69710149T patent/DE69710149T2/de not_active Expired - Fee Related
- 1997-09-03 US US08/922,531 patent/US6226245B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0833328A2 (de) | 1998-04-01 |
US6226245B1 (en) | 2001-05-01 |
JPH1079164A (ja) | 1998-03-24 |
DE69710149T2 (de) | 2002-09-26 |
EP0833328B1 (de) | 2002-01-30 |
EP0833328A3 (de) | 1998-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |