DE69025743D1 - Plattenantriebsgerät - Google Patents

Plattenantriebsgerät

Info

Publication number
DE69025743D1
DE69025743D1 DE69025743T DE69025743T DE69025743D1 DE 69025743 D1 DE69025743 D1 DE 69025743D1 DE 69025743 T DE69025743 T DE 69025743T DE 69025743 T DE69025743 T DE 69025743T DE 69025743 D1 DE69025743 D1 DE 69025743D1
Authority
DE
Germany
Prior art keywords
disk drive
drive device
disk
drive
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
DE69025743T
Other languages
English (en)
Other versions
DE69025743T2 (de
Inventor
Yoshio Chiba
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of DE69025743D1 publication Critical patent/DE69025743D1/de
Application granted granted Critical
Publication of DE69025743T2 publication Critical patent/DE69025743T2/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
    • 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
    • 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
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • 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
DE69025743T 1990-01-29 1990-12-24 Plattenantriebsgerät Expired - Fee Related DE69025743T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018223A JPH03222149A (ja) 1990-01-29 1990-01-29 記録媒体ディスク駆動装置

Publications (2)

Publication Number Publication Date
DE69025743D1 true DE69025743D1 (de) 1996-04-11
DE69025743T2 DE69025743T2 (de) 1996-07-25

Family

ID=11965648

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69025743T Expired - Fee Related DE69025743T2 (de) 1990-01-29 1990-12-24 Plattenantriebsgerät

Country Status (7)

Country Link
US (1) US5218598A (de)
EP (1) EP0439957B1 (de)
JP (1) JPH03222149A (de)
KR (1) KR910014926A (de)
AU (1) AU643477B2 (de)
DE (1) DE69025743T2 (de)
MY (1) MY106094A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH103741A (ja) * 1996-06-18 1998-01-06 Mitsubishi Electric Corp ディスク回転駆動装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2275839A (en) * 1940-01-27 1942-03-10 Gen Electric Magnetic structure
US2591463A (en) * 1949-12-29 1952-04-01 Gen Electric Magnetic torque device
DE1797414A1 (de) * 1968-09-26 1972-02-10 Altenkirch Karl Adolf Verfahren zur mechanischen Entkopplung des Plattentellers von der Antriebsmechanik und der Platine eines Plattenspielers vermittels magnetischer Repulsion
US4475184A (en) * 1981-08-21 1984-10-02 Cooper Lloyd G B Vibration limiting apparatus
US4581667A (en) * 1982-04-19 1986-04-08 Minnesota Mining And Manufacturing Company Magnetic hold-down for recording disc
JPH0249038Y2 (de) * 1984-10-11 1990-12-21
DE3582133D1 (de) * 1984-12-28 1991-04-18 Yamaha Corp Plattenklammervorrichtung fuer einen platten- kassettenspieler.
EP0192789B1 (de) * 1985-02-27 1989-06-21 Carl Schenck Ag Federnde Abstützung eines Lagers eines Rotors beim Auswuchten
US4730299A (en) * 1985-06-05 1988-03-08 Nippon Gakki Seizo Kabushiki Kaisha Device for preventing vibration of a disc motor shaft in a disc playback device
JP2511402B2 (ja) * 1985-09-30 1996-06-26 株式会社日立製作所 磁気制振装置
FR2588991A1 (fr) * 1985-10-23 1987-04-24 Bull Sa Systeme d'entrainement en rotation d'au moins un disque magnetique et moteur electrique inclus dans ce systeme
JPS6464165A (en) * 1987-09-04 1989-03-10 Fuji Electric Co Ltd Disk driving use spindle motor
JP2556535B2 (ja) * 1987-12-02 1996-11-20 株式会社日立製作所 記録デイスクの磁気クランプ装置
JPH0721954B2 (ja) * 1988-08-31 1995-03-08 パイオニア株式会社 光学式ディスクプレーヤ
DE4001257A1 (de) * 1990-01-18 1991-07-25 Thomson Brandt Gmbh Verfahren zur beseitigung des axial- und radialspiels einer rotierenden achse

Also Published As

Publication number Publication date
EP0439957B1 (de) 1996-03-06
DE69025743T2 (de) 1996-07-25
US5218598A (en) 1993-06-08
MY106094A (en) 1995-03-31
KR910014926A (ko) 1991-08-31
JPH03222149A (ja) 1991-10-01
AU643477B2 (en) 1993-11-18
AU6846490A (en) 1991-08-01
EP0439957A2 (de) 1991-08-07
EP0439957A3 (en) 1992-09-02

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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