TW509934B - Disk apparatus - Google Patents

Disk apparatus Download PDF

Info

Publication number
TW509934B
TW509934B TW088111889A TW88111889A TW509934B TW 509934 B TW509934 B TW 509934B TW 088111889 A TW088111889 A TW 088111889A TW 88111889 A TW88111889 A TW 88111889A TW 509934 B TW509934 B TW 509934B
Authority
TW
Taiwan
Prior art keywords
magnetic
magnet
magnetic disk
sphere
magnetized
Prior art date
Application number
TW088111889A
Other languages
English (en)
Chinese (zh)
Inventor
Katsunori Eguchi
Masaaki Kikugawa
Original Assignee
Matsushita Electric Ind 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 Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Application granted granted Critical
Publication of TW509934B publication Critical patent/TW509934B/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
    • 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
    • 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
    • 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)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Rotational Drive Of Disk (AREA)
TW088111889A 1998-07-17 1999-07-13 Disk apparatus TW509934B (en)

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
TW509934B true TW509934B (en) 2002-11-11

Family

ID=16480516

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088111889A TW509934B (en) 1998-07-17 1999-07-13 Disk apparatus

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)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6219328B1 (en) * 1997-10-31 2001-04-17 Funai Electric Co., Ltd. Disc rotating apparatus
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
KR100396546B1 (ko) * 2000-12-21 2003-09-02 삼성전자주식회사 디스크 플레이어 및, 이에 채용되는 자기보상형 밸런서일체형 턴테이블, 자기보상형 밸런서 일체형 클램퍼 및자기보상형 밸런서 일체형 스핀들모터
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
MY119086A (en) * 1996-10-09 2005-03-31 Samsung Electronics Co Ltd Disk player, and turntable incorporating self-compensating dynamic balancer, clamper incorporating self-compensating dynamic balancer and spindle motor incorporating self-compensating dynamic balanceradopted for disk player
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
JP2000040281A (ja) 2000-02-08
WO2000004542A1 (en) 2000-01-27
KR20010023980A (ko) 2001-03-26
CN1273668A (zh) 2000-11-15

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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