DE69232050D1 - Plattenspeicherungsanlage und Rotationssteuerungsverfahren dafür - Google Patents

Plattenspeicherungsanlage und Rotationssteuerungsverfahren dafür

Info

Publication number
DE69232050D1
DE69232050D1 DE69232050T DE69232050T DE69232050D1 DE 69232050 D1 DE69232050 D1 DE 69232050D1 DE 69232050 T DE69232050 T DE 69232050T DE 69232050 T DE69232050 T DE 69232050T DE 69232050 D1 DE69232050 D1 DE 69232050D1
Authority
DE
Germany
Prior art keywords
rotation
shaft
turntable
axis
bearing
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
DE69232050T
Other languages
English (en)
Other versions
DE69232050T2 (de
Inventor
Alexander Numa Labinsky
Jonathan Halliday
Gerald Alfred John Reynolds
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.)
Nimbus Communications International Ltd
Original Assignee
Nimbus Communications International 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 GB919127574A external-priority patent/GB9127574D0/en
Priority claimed from GB919127573A external-priority patent/GB9127573D0/en
Application filed by Nimbus Communications International Ltd filed Critical Nimbus Communications International Ltd
Publication of DE69232050D1 publication Critical patent/DE69232050D1/de
Application granted granted Critical
Publication of DE69232050T2 publication Critical patent/DE69232050T2/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
    • G11B17/34—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
    • G11B19/20—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
    • 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
    • G11B19/2036—Motors characterized by fluid-dynamic bearings
    • 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
    • G11B19/24—Arrangements for providing constant relative speed between record carrier and head
    • 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
    • G11B19/24—Arrangements for providing constant relative speed between record carrier and head
    • G11B19/247—Arrangements for providing constant relative speed between record carrier and head using electrical means
    • 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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
    • 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

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
  • Rotational Drive Of Disk (AREA)
  • Control Of Multiple Motors (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Support Of The Bearing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
DE69232050T 1991-12-23 1992-12-21 Plattenspeicherungsanlage und Rotationssteuerungsverfahren dafür Expired - Fee Related DE69232050T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919127574A GB9127574D0 (en) 1991-12-23 1991-12-23 Support mechanism
GB919127573A GB9127573D0 (en) 1991-12-23 1991-12-23 Control system

Publications (2)

Publication Number Publication Date
DE69232050D1 true DE69232050D1 (de) 2001-10-11
DE69232050T2 DE69232050T2 (de) 2002-05-16

Family

ID=26300097

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69225606T Expired - Fee Related DE69225606T2 (de) 1991-12-23 1992-12-21 Plattenaufzeichnungsanlage
DE69232050T Expired - Fee Related DE69232050T2 (de) 1991-12-23 1992-12-21 Plattenspeicherungsanlage und Rotationssteuerungsverfahren dafür

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69225606T Expired - Fee Related DE69225606T2 (de) 1991-12-23 1992-12-21 Plattenaufzeichnungsanlage

Country Status (8)

Country Link
EP (1) EP0745992B1 (de)
JP (1) JP2583193B2 (de)
AT (2) ATE205327T1 (de)
DE (2) DE69225606T2 (de)
DK (2) DK0619042T3 (de)
ES (1) ES2163556T3 (de)
PT (1) PT745992E (de)
SG (2) SG75120A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19705184C2 (de) * 1997-02-11 1999-09-23 Leybold Ag Verfahren zum Positionieren eines kreisscheibenförmigen Substrates

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4120504A (en) * 1976-07-20 1978-10-17 William Buttfield Brecht Disk tracking and support apparatus
US4190860A (en) 1978-11-16 1980-02-26 Mca Discovision, Inc. Digital method and apparatus for rotating an information storage disc
US4228326A (en) 1978-11-16 1980-10-14 Mca Discovision Inc. System for recording information on a rotatable storage disc, in a substantially uniform recording density
US4351044A (en) 1979-01-09 1982-09-21 Matsushita Electric Industrial Co., Ltd. Recording system using disk-shaped recording medium
JPS56165955A (en) * 1980-05-23 1981-12-19 Ricoh Co Ltd Information recording system
US4394667A (en) * 1982-03-26 1983-07-19 Xerox Corporation Radial access drive for an optical disk recorder
JPS60154356A (ja) * 1984-01-25 1985-08-14 Hitachi Ltd 光デイスク原盤記録装置
JPS60195771A (ja) * 1984-03-16 1985-10-04 Pioneer Electronic Corp 記録ディスク回転駆動制御装置

Also Published As

Publication number Publication date
JPH07502366A (ja) 1995-03-09
EP0745992B1 (de) 2001-09-05
SG41937A1 (en) 2002-02-19
SG75120A1 (en) 2000-09-19
DK0619042T3 (da) 1999-03-15
ATE205327T1 (de) 2001-09-15
DE69225606D1 (de) 1998-06-25
JP2583193B2 (ja) 1997-02-19
DE69225606T2 (de) 1998-11-26
PT745992E (pt) 2002-02-28
DK0745992T3 (da) 2001-12-27
ES2163556T3 (es) 2002-02-01
ATE166484T1 (de) 1998-06-15
EP0745992A3 (de) 1998-12-09
DE69232050T2 (de) 2002-05-16
EP0745992A2 (de) 1996-12-04

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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