JP2000040281A - ディスク装置 - Google Patents

ディスク装置

Info

Publication number
JP2000040281A
JP2000040281A JP10203836A JP20383698A JP2000040281A JP 2000040281 A JP2000040281 A JP 2000040281A JP 10203836 A JP10203836 A JP 10203836A JP 20383698 A JP20383698 A JP 20383698A JP 2000040281 A JP2000040281 A JP 2000040281A
Authority
JP
Japan
Prior art keywords
disk
magnet
sphere
magnetized
polarized
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.)
Pending
Application number
JP10203836A
Other languages
English (en)
Japanese (ja)
Inventor
Katsunori Eguchi
勝則 江口
Masaaki Kikukawa
正明 菊川
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10203836A priority Critical patent/JP2000040281A/ja
Priority to CN99801119A priority patent/CN1273668A/zh
Priority to KR1020007002702A priority patent/KR20010023980A/ko
Priority to PCT/JP1999/003702 priority patent/WO2000004542A1/en
Priority to TW088111889A priority patent/TW509934B/zh
Publication of JP2000040281A publication Critical patent/JP2000040281A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/04—Balancing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/32—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
    • F16F15/36—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels operating automatically, i.e. where, for a given amount of unbalance, there is movement of masses until balance is achieved
    • F16F15/363—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels operating automatically, i.e. where, for a given amount of unbalance, there is movement of masses until balance is achieved using rolling bodies, e.g. balls free to move in a circumferential direction
    • 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
    • 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
    • G11B19/2027—Turntables or rotors incorporating balancing means; Means for detecting imbalance
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Rotational Drive Of Disk (AREA)
JP10203836A 1998-07-17 1998-07-17 ディスク装置 Pending JP2000040281A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP10203836A JP2000040281A (ja) 1998-07-17 1998-07-17 ディスク装置
CN99801119A CN1273668A (zh) 1998-07-17 1999-07-08 磁盘装置
KR1020007002702A KR20010023980A (ko) 1998-07-17 1999-07-08 디스크 장치
PCT/JP1999/003702 WO2000004542A1 (en) 1998-07-17 1999-07-08 Disk apparatus
TW088111889A TW509934B (en) 1998-07-17 1999-07-13 Disk apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10203836A JP2000040281A (ja) 1998-07-17 1998-07-17 ディスク装置

Publications (1)

Publication Number Publication Date
JP2000040281A true JP2000040281A (ja) 2000-02-08

Family

ID=16480516

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10203836A Pending JP2000040281A (ja) 1998-07-17 1998-07-17 ディスク装置

Country Status (5)

Country Link
JP (1) JP2000040281A (ko)
KR (1) KR20010023980A (ko)
CN (1) CN1273668A (ko)
TW (1) TW509934B (ko)
WO (1) WO2000004542A1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6779191B2 (en) * 1997-10-31 2004-08-17 Funai Electric Co., Ltd. Disc rotating apparatus with balance correcting balls
US7058961B2 (en) * 2000-12-21 2006-06-06 Samsung Electronics Co., Ltd. Disk player, and self-compensating-dynamic-balancer (SCDB) integrated turntable, SCDB integrated clamper and SCDB integrated spindle motor employed in the same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001023291A (ja) * 1999-07-09 2001-01-26 Mitsumi Electric Co Ltd ディスク駆動装置
JP2001256717A (ja) 2000-03-14 2001-09-21 Matsushita Electric Ind Co Ltd ディスク装置
JP2003174755A (ja) * 2001-12-06 2003-06-20 Sankyo Seiki Mfg Co Ltd 回転駆動装置
EP1498160A1 (en) * 2003-07-16 2005-01-19 Jun-Seok Oh A wheel for in-line skates

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2824250B2 (ja) * 1996-07-19 1998-11-11 松下電器産業株式会社 ディスク駆動装置
KR100571030B1 (ko) * 1996-09-17 2006-09-28 가부시끼가이샤 히다치 세이사꾸쇼 디스크장치
KR100265729B1 (ko) * 1996-10-09 2000-09-15 윤종용 (디스크플레이어및,이에채용되는자기보상형밸런서일체형턴테이블,자기보상형밸런서일체형클램퍼및자기보상형밸런서일체형스핀들모터
DE19806898A1 (de) * 1998-02-19 1999-08-26 Thomson Brandt Gmbh Gerät zum Lesen und/oder Beschreiben scheibenförmiger Aufzeichnungsträger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6779191B2 (en) * 1997-10-31 2004-08-17 Funai Electric Co., Ltd. Disc rotating apparatus with balance correcting balls
US7058961B2 (en) * 2000-12-21 2006-06-06 Samsung Electronics Co., Ltd. Disk player, and self-compensating-dynamic-balancer (SCDB) integrated turntable, SCDB integrated clamper and SCDB integrated spindle motor employed in the same

Also Published As

Publication number Publication date
WO2000004542A1 (en) 2000-01-27
CN1273668A (zh) 2000-11-15
TW509934B (en) 2002-11-11
KR20010023980A (ko) 2001-03-26

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