DE69319938D1 - Gerät für optische Platten - Google Patents
Gerät für optische PlattenInfo
- Publication number
- DE69319938D1 DE69319938D1 DE69319938T DE69319938T DE69319938D1 DE 69319938 D1 DE69319938 D1 DE 69319938D1 DE 69319938 T DE69319938 T DE 69319938T DE 69319938 T DE69319938 T DE 69319938T DE 69319938 D1 DE69319938 D1 DE 69319938D1
- Authority
- DE
- Germany
- Prior art keywords
- optical disk
- disk device
- 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
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
- G11B17/0282—Positioning or locking of single discs of discs rotating during transducing operation by means provided on the turntable
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/34—Guiding record carriers during transducing operation, e.g. for track following
-
- 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
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
-
- 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
-
- 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
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
- G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
- G11B33/08—Insulation or absorption of undesired vibrations or sounds
-
- 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
-
- 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
- G11B7/0857—Arrangements for mechanically moving the whole head
- G11B7/08582—Sled-type positioners
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rotational Drive Of Disk (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4014700A JP3047591B2 (ja) | 1992-01-30 | 1992-01-30 | 光ディスク装置 |
JP1659392A JPH05217272A (ja) | 1992-01-31 | 1992-01-31 | ディスク記録及び又は再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69319938D1 true DE69319938D1 (de) | 1998-09-03 |
DE69319938T2 DE69319938T2 (de) | 1999-01-14 |
Family
ID=26350711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69319938T Expired - Fee Related DE69319938T2 (de) | 1992-01-30 | 1993-01-15 | Gerät für optische Platten |
Country Status (3)
Country | Link |
---|---|
US (1) | US5453972A (de) |
EP (1) | EP0553664B1 (de) |
DE (1) | DE69319938T2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5729511A (en) | 1991-02-15 | 1998-03-17 | Discovision Associates | Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal |
CN1287377C (zh) * | 1994-06-07 | 2006-11-29 | 日立环球储存科技日本有限公司 | 对多种运作模式进行选择后进行记录/再生的信息存储设备 |
US5617339A (en) * | 1994-12-02 | 1997-04-01 | International Business Machines Corpoation | Method and apparatus for detecting degradation in data storage system spindle motor performance |
US5774292A (en) * | 1995-04-13 | 1998-06-30 | International Business Machines Corporation | Disk drive power management system and method |
US5682273A (en) * | 1995-06-30 | 1997-10-28 | International Business Machines Corporation | Disk drive for portable computer with adaptive demand-driven power management |
DE19537411A1 (de) * | 1995-10-09 | 1997-04-10 | Leybold Ag | Vorrichtung zum Laserstrahlbelichten eines kreisscheibenförmigen Substrates |
DE19537405A1 (de) * | 1995-10-09 | 1997-04-10 | Leybold Ag | Vorrichtung zum Laserstrahlbelichten eines kreisscheibenförmigen Substrates |
US5673242A (en) * | 1995-10-27 | 1997-09-30 | Lin; Chi-Cheng | Method for controlling the spindle motor speed of an audio/video disk player |
SG50422A1 (en) * | 1996-02-07 | 1998-07-20 | Creative Tech Ltd | Pre-calibration system and method for cd-rom drive speed optimization |
NL1004139C2 (nl) * | 1996-04-23 | 1998-10-22 | Samsung Electronics Co Ltd | Optisch registratie- en reproductieapparaat. |
US5867460A (en) * | 1996-10-04 | 1999-02-02 | Balzers Und Leybold Deutschland Holding Ag | Apparatus for laser beam exposure of a substrate disc |
JPH10124979A (ja) * | 1996-10-11 | 1998-05-15 | Sony Corp | ディスクドライブ装置及びディスク記録/再生装置 |
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 |
JP3512599B2 (ja) * | 1997-07-08 | 2004-03-29 | ミネベア株式会社 | モータ構造 |
KR100269143B1 (ko) * | 1997-12-29 | 2000-10-16 | 윤종용 | 디스크플레이어 |
US6222336B1 (en) * | 1998-06-05 | 2001-04-24 | Seagate Technology Llc | Rotational vibration detection using spindle motor velocity sense coils |
JP3936538B2 (ja) * | 2000-05-30 | 2007-06-27 | 株式会社Neomax | 薄型永久磁石式発電機及びそれを組み込んだディスケット |
JP3795738B2 (ja) * | 2000-09-29 | 2006-07-12 | 富士通株式会社 | 記録媒体の回転制御方法及び記憶装置 |
JP2004515874A (ja) * | 2000-12-14 | 2004-05-27 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 電磁気的に懸架される情報担体の走査装置 |
JP2002252953A (ja) * | 2001-02-23 | 2002-09-06 | Alps Electric Co Ltd | インナーロータモータおよびディスク装置 |
US6750748B2 (en) * | 2001-08-09 | 2004-06-15 | Delphi Technologies, Inc. | Limited angle unidirectional torque motor |
JP2003061304A (ja) * | 2001-08-10 | 2003-02-28 | Alps Electric Co Ltd | ディスク装置 |
JP2005056487A (ja) * | 2003-08-01 | 2005-03-03 | Sony Corp | 光ディスク装置 |
JP2007124733A (ja) * | 2005-10-25 | 2007-05-17 | Matsushita Electric Ind Co Ltd | スピンドルモータ |
EP1826889B1 (de) * | 2006-02-24 | 2015-09-30 | ThyssenKrupp Aufzugswerke GmbH | Verfahren und Vorrichtung zum Anbringen von Magneten |
GB2572350B (en) * | 2018-03-27 | 2023-01-25 | Hitachi Rail Ltd | An electromechanical generator for converting mechanical vibrational energy into electrical energy |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US32574A (en) * | 1861-06-18 | Wateb-elevator | ||
FR2222718B1 (de) * | 1973-03-19 | 1977-02-11 | Thomson Brandt | |
US4375091A (en) * | 1978-06-30 | 1983-02-22 | Discovision Associates | Method and apparatus for information retrieval from an optically readable storage medium |
USRE32574E (en) * | 1978-06-30 | 1988-01-05 | Discovision Associates | Method and apparatus for information retrieval from an optically readable storage medium |
JPS57181436A (en) * | 1981-05-01 | 1982-11-08 | Toshiba Corp | Optical disc device |
US4394667A (en) * | 1982-03-26 | 1983-07-19 | Xerox Corporation | Radial access drive for an optical disk recorder |
US4620301A (en) * | 1982-12-20 | 1986-10-28 | Ricoh Company, Ltd. | Recording disk drive unit |
JPS60118043A (ja) * | 1983-11-28 | 1985-06-25 | Ricoh Co Ltd | デイスク駆動用モ−タ− |
US4472796A (en) * | 1983-11-29 | 1984-09-18 | Rca Corporation | Disc record player having carriage locking apparatus |
JPS6113485A (ja) * | 1984-06-29 | 1986-01-21 | Nec Home Electronics Ltd | 防振装置 |
JPS62125574A (ja) * | 1985-11-26 | 1987-06-06 | Seiko Epson Corp | フロツピ−デイスク装置 |
JPH07122969B2 (ja) * | 1986-11-05 | 1995-12-25 | 株式会社東芝 | 情報記憶媒体 |
JP2604143B2 (ja) * | 1987-01-14 | 1997-04-30 | 三洋電機株式会社 | 小型ブラシレスモータ |
JPH01185890A (ja) * | 1988-01-20 | 1989-07-25 | Canon Inc | 光学式情報記録再生装置 |
JPH067449Y2 (ja) * | 1988-03-04 | 1994-02-23 | パイオニア株式会社 | ディスクプレーヤ |
JP2518354B2 (ja) * | 1988-06-21 | 1996-07-24 | ソニー株式会社 | ディスクドライブ装置 |
JPH025170U (de) * | 1988-06-22 | 1990-01-12 | ||
JPH02141956A (ja) * | 1988-11-22 | 1990-05-31 | Sony Corp | デイスクの回転駆動装置 |
JPH0460929A (ja) * | 1990-06-25 | 1992-02-26 | Canon Inc | 光学ヘッド及び該光学ヘッドを備えた光学的情報記録再生装置 |
US5138605A (en) * | 1990-10-05 | 1992-08-11 | Eastman Kodak Company | Low-profile radial access mechanism for disk recording/playback apparatus, with optical head mounted on a carriage |
-
1993
- 1993-01-15 EP EP93100561A patent/EP0553664B1/de not_active Expired - Lifetime
- 1993-01-15 DE DE69319938T patent/DE69319938T2/de not_active Expired - Fee Related
- 1993-01-27 US US08/010,019 patent/US5453972A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0553664A3 (en) | 1995-03-08 |
EP0553664A2 (de) | 1993-08-04 |
DE69319938T2 (de) | 1999-01-14 |
EP0553664B1 (de) | 1998-07-29 |
US5453972A (en) | 1995-09-26 |
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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 |