DE69319938T2 - Gerät für optische Platten - Google Patents

Gerät für optische Platten

Info

Publication number
DE69319938T2
DE69319938T2 DE69319938T DE69319938T DE69319938T2 DE 69319938 T2 DE69319938 T2 DE 69319938T2 DE 69319938 T DE69319938 T DE 69319938T DE 69319938 T DE69319938 T DE 69319938T DE 69319938 T2 DE69319938 T2 DE 69319938T2
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
Application number
DE69319938T
Other languages
English (en)
Other versions
DE69319938D1 (de
Inventor
Hiroshi Kanazawa
Fumio Tajima
Ryoichi Naganuma
Nobuyoshi Mutoh
Tadashi Takahashi
Hideki Nihei
Shunichi Tanae
Hideaki Horie
Syooichi Kawamata
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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
Priority claimed from JP4014700A external-priority patent/JP3047591B2/ja
Priority claimed from JP1659392A external-priority patent/JPH05217272A/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE69319938D1 publication Critical patent/DE69319938D1/de
Application granted granted Critical
Publication of DE69319938T2 publication Critical patent/DE69319938T2/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
    • 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
DE69319938T 1992-01-30 1993-01-15 Gerät für optische Platten Expired - Fee Related DE69319938T2 (de)

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 DE69319938D1 (de) 1998-09-03
DE69319938T2 true 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)

* Cited by examiner, † Cited by third party
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
CN1095164C (zh) * 1994-06-07 2002-11-27 株式会社日立制作所 对多种运作模式进行选择后进行记录/再生的信息存储装置及其控制方法
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
AU2002233202A1 (en) * 2000-12-14 2002-06-24 Koninklijke Philips Electronics N.V. Device for scanning an electromagnetically suspended information carrier
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0553664A3 (en) 1995-03-08
DE69319938D1 (de) 1998-09-03
EP0553664A2 (de) 1993-08-04
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