DE69933336T2 - Plattenantrieb mit Kompensation der Plattenexzentrizität - Google Patents

Plattenantrieb mit Kompensation der Plattenexzentrizität Download PDF

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Publication number
DE69933336T2
DE69933336T2 DE69933336T DE69933336T DE69933336T2 DE 69933336 T2 DE69933336 T2 DE 69933336T2 DE 69933336 T DE69933336 T DE 69933336T DE 69933336 T DE69933336 T DE 69933336T DE 69933336 T2 DE69933336 T2 DE 69933336T2
Authority
DE
Germany
Prior art keywords
drive
plate
disk
disc
drive means
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
DE69933336T
Other languages
German (de)
English (en)
Other versions
DE69933336D1 (de
Inventor
Thomson multimedia Lic. & IP Klaus Oldermann
Thomson multimedia Lic. & IP Heinz-J Schroeder
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Publication of DE69933336D1 publication Critical patent/DE69933336D1/de
Application granted granted Critical
Publication of DE69933336T2 publication Critical patent/DE69933336T2/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
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/0284—Positioning or locking of single discs of discs rotating during transducing operation by clampers
    • 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
    • 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
    • G11B7/0953—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 eccentricity of the disc or disc tracks

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Rotational Drive Of Disk (AREA)
DE69933336T 1998-05-15 1999-05-10 Plattenantrieb mit Kompensation der Plattenexzentrizität Expired - Fee Related DE69933336T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98401163A EP0957480A1 (en) 1998-05-15 1998-05-15 Disk drive with compensation of disk eccentricity
EP98401163 1998-05-15

Publications (2)

Publication Number Publication Date
DE69933336D1 DE69933336D1 (de) 2006-11-09
DE69933336T2 true DE69933336T2 (de) 2007-08-23

Family

ID=8235369

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69933336T Expired - Fee Related DE69933336T2 (de) 1998-05-15 1999-05-10 Plattenantrieb mit Kompensation der Plattenexzentrizität

Country Status (5)

Country Link
US (2) US6366552B1 (enExample)
EP (1) EP0957480A1 (enExample)
JP (1) JP4006882B2 (enExample)
CN (1) CN1153202C (enExample)
DE (1) DE69933336T2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4124926B2 (ja) * 1999-09-28 2008-07-23 キヤノン株式会社 スピンドル回転駆動装置および情報記録再生装置ならびに情報記録媒体製造方法
JP2005518629A (ja) * 2002-02-26 2005-06-23 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 情報を読み取る装置、前記装置における利用のための支持手段、及びデータ担体を回転させる方法
TW540793U (en) * 2002-04-12 2003-07-01 Accesstek Inc Suspension device

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* Cited by examiner, † Cited by third party
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JPS5048820A (enExample) * 1973-04-11 1975-05-01
DE2542185B2 (de) * 1975-09-22 1979-01-18 Geraetewerk Lahr Gmbh, 7630 Lahr Vorrichtung zur Aufhängung bzw. Abstützung eines Chassis eines Aufzeichnungs- und/oder Wiedergabegerätes
US4101945A (en) * 1976-09-07 1978-07-18 Sycor, Inc. Drive spindle assembly for disc file
GB2056747B (en) * 1978-07-05 1983-01-06 Universal Pioneer Corp Disc record clamping device
DE2909564C2 (de) * 1979-03-12 1981-01-08 Geraetewerk Lahr Gmbh, 7630 Lahr Einrichtung zur Schwingungsreduktion in einem Schallplattenspieler
US4441178A (en) * 1981-02-02 1984-04-03 Nakamichi Corporation Method of correcting a position of a disk record on a turntable
GB2115203B (en) * 1981-11-12 1985-10-30 Logic Limited A resilient mounting
DE3146186C2 (de) * 1981-11-21 1985-05-09 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Plattenspieler und Verfahren zum Antreiben eines Plattentellers
JPS5921248A (ja) * 1982-07-26 1984-02-03 Fujitsu Ltd 磁気装置駆動モ−タ
JPH0610913B2 (ja) * 1984-01-12 1994-02-09 ソニー株式会社 光学デイスクプレ−ヤ
US4570254A (en) * 1984-07-03 1986-02-11 Staar S.A. Drive motor having moving rotor for compact disc player apparatus
JPH0418103Y2 (enExample) * 1985-06-05 1992-04-22
JPS62145562A (ja) * 1985-12-19 1987-06-29 Matsushita Electric Ind Co Ltd デイスク駆動装置
JPS62222482A (ja) * 1986-03-24 1987-09-30 Hitachi Ltd 磁気デイスク装置
JPH0526915Y2 (enExample) * 1986-10-29 1993-07-08
JPS63191360A (ja) * 1987-02-03 1988-08-08 Matsushita Electric Ind Co Ltd クランプ装置
JPS63220747A (ja) * 1987-03-10 1988-09-14 Matsushita Electric Ind Co Ltd モ−タ
JPS6464165A (en) * 1987-09-04 1989-03-10 Fuji Electric Co Ltd Disk driving use spindle motor
JPH0266774A (ja) * 1988-08-31 1990-03-06 Toshiba Corp 記録再生装置
ATE121860T1 (de) * 1989-02-24 1995-05-15 Conner Peripherals Inc Nasses festplatten-laufwerk mit einem konischen spindellager.
EP0410293B1 (en) * 1989-07-24 1993-09-29 Ebara Corporation Spindle motor
JPH0395765A (ja) * 1989-09-08 1991-04-22 Fujitsu Ltd 磁気ディスク装置
JPH073681B2 (ja) * 1990-04-27 1995-01-18 株式会社オーゼン ショック始動式レコード再生装置
MY107816A (en) * 1990-06-01 1996-06-29 Mitsubishi Electric Corp Electric motor.
US5140479A (en) * 1990-10-29 1992-08-18 Seagate Technology, Inc. Static eliminator for disc drive spindle
JP3384002B2 (ja) * 1992-01-24 2003-03-10 ソニー株式会社 ディスクテーブル及び記録及び／又は再生装置
JPH04295262A (ja) * 1991-03-20 1992-10-20 Fujitsu Ltd ディスク装置のスピンドル構造
JPH04345954A (ja) * 1991-05-24 1992-12-01 Pioneer Electron Corp ディスクプレーヤ
US5257151A (en) * 1991-06-13 1993-10-26 Cooper William L Disc-drive with a rim-motor
US5280465A (en) * 1992-07-15 1994-01-18 Minnesota Mining And Manufacturing Company Fluid drive system for a rotating medium
US5377060A (en) * 1992-09-02 1994-12-27 Antek Peripherals, Inc. Ultra slim data storage module utilizing plural flexible disks
JPH06284678A (ja) * 1993-03-29 1994-10-07 Sony Corp ステッピングモータ
JPH0785582A (ja) * 1993-09-13 1995-03-31 Hitachi Ltd 光ディスク装置及び光ディスクカートリッジ
DE4331803A1 (de) * 1993-09-18 1995-03-23 Bosch Gmbh Robert Elektronisch kommutierter Elektromotor
US5541460A (en) * 1994-02-25 1996-07-30 Seagate Technology, Inc. Passive magnetic bearings for a spindle motor
US5561335A (en) * 1994-02-25 1996-10-01 Seagate Technology, Inc. Integrated passive magnetic bearing system and spindle permanent magnet for use in a spindle motor
JPH08106692A (ja) * 1994-05-19 1996-04-23 Pioneer Electron Corp 両面ディスクのセンタリング機構
US5598048A (en) * 1994-08-12 1997-01-28 Seagate Technology, Inc. Integrated passive magnetic bearing system and spindle magnet for use in an axial magnet spindle motor
JPH08195010A (ja) * 1995-01-13 1996-07-30 Matsushita Electric Ind Co Ltd ディスクセンタリング装置
US5835309A (en) * 1995-05-22 1998-11-10 International Business Machines Corporation Pivot bearing
CN1072825C (zh) * 1995-11-20 2001-10-10 三星电子株式会社 带有偏心调节装置的光盘驱动器
KR970060143A (ko) * 1996-01-08 1997-08-12 김광호 콤팩트디스크 드라이브의 디스크 센터링장치
JPH09198761A (ja) * 1996-01-22 1997-07-31 Pioneer Electron Corp 情報記録媒体のクランプ回転機構
JPH10172229A (ja) * 1996-12-06 1998-06-26 Sony Corp ディスクドライブ装置
JPH10208377A (ja) * 1997-01-28 1998-08-07 Matsushita Electric Ind Co Ltd 光ディスク装置
JPH10215590A (ja) * 1997-01-30 1998-08-11 Matsushita Electric Ind Co Ltd ディスク回転駆動装置
DE19705184C2 (de) * 1997-02-11 1999-09-23 Leybold Ag Verfahren zum Positionieren eines kreisscheibenförmigen Substrates
US6005311A (en) * 1997-04-16 1999-12-21 Kabushiki Kaisha Sankyo Seiki Seisakusho Spindle motor and turn table assembly having structure for canceling unbalanced centrifugal force
JPH11126418A (ja) * 1997-10-17 1999-05-11 Tokyo Parts Ind Co Ltd オートバランサー付ディスク回転用スピンドルモータ
KR100269139B1 (ko) * 1997-12-16 2000-10-16 윤종용 자기보상형 밸런서

Also Published As

Publication number Publication date
EP0957480A1 (en) 1999-11-17
JPH11339380A (ja) 1999-12-10
DE69933336D1 (de) 2006-11-09
US6366552B1 (en) 2002-04-02
US6865744B2 (en) 2005-03-08
CN1153202C (zh) 2004-06-09
JP4006882B2 (ja) 2007-11-14
CN1236160A (zh) 1999-11-24
US20020027867A1 (en) 2002-03-07

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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