TW436780B - Disk apparatus - Google Patents

Disk apparatus Download PDF

Info

Publication number
TW436780B
TW436780B TW088111882A TW88111882A TW436780B TW 436780 B TW436780 B TW 436780B TW 088111882 A TW088111882 A TW 088111882A TW 88111882 A TW88111882 A TW 88111882A TW 436780 B TW436780 B TW 436780B
Authority
TW
Taiwan
Prior art keywords
magnetic
disk drive
magnet
sphere
speed
Prior art date
Application number
TW088111882A
Other languages
English (en)
Chinese (zh)
Inventor
Masaaki Kikugawa
Katsunori Eguchi
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
Application granted granted Critical
Publication of TW436780B publication Critical patent/TW436780B/zh

Links

Classifications

    • 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
    • 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 imbalance, 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 imbalance, 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
    • G11B19/2027—Turntables or rotors incorporating balancing means; Means for detecting imbalance
    • 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
    • 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)
TW088111882A 1998-07-17 1999-07-13 Disk apparatus TW436780B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10203835A JP2000040280A (ja) 1998-07-17 1998-07-17 ディスク装置

Publications (1)

Publication Number Publication Date
TW436780B true TW436780B (en) 2001-05-28

Family

ID=16480501

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088111882A TW436780B (en) 1998-07-17 1999-07-13 Disk apparatus

Country Status (6)

Country Link
JP (1) JP2000040280A (id)
KR (1) KR20010023979A (id)
CN (1) CN1273667A (id)
ID (1) ID24305A (id)
TW (1) TW436780B (id)
WO (1) WO2000004541A1 (id)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001256717A (ja) * 2000-03-14 2001-09-21 Matsushita Electric Ind Co Ltd ディスク装置
JP4455542B2 (ja) * 2006-06-20 2010-04-21 日本電産株式会社 チャッキング装置を備えたブラシレスモータ、およびこのブラシレスモータを備えたディスク駆動装置
JP4360394B2 (ja) * 2006-10-24 2009-11-11 ソニー株式会社 自動平衡装置、回転装置、ディスク駆動装置、バランサ
KR101070928B1 (ko) * 2009-08-24 2011-10-06 엘지이노텍 주식회사 볼 밸런서를 포함한 스핀들 모터
KR101326322B1 (ko) * 2012-05-29 2013-11-11 엘지이노텍 주식회사 스핀들 모터

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

Also Published As

Publication number Publication date
ID24305A (id) 2000-07-13
WO2000004541A1 (en) 2000-01-27
KR20010023979A (ko) 2001-03-26
CN1273667A (zh) 2000-11-15
JP2000040280A (ja) 2000-02-08

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Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees