JPS5970175A - アクチユエ−タ - Google Patents

アクチユエ−タ

Info

Publication number
JPS5970175A
JPS5970175A JP57179869A JP17986982A JPS5970175A JP S5970175 A JPS5970175 A JP S5970175A JP 57179869 A JP57179869 A JP 57179869A JP 17986982 A JP17986982 A JP 17986982A JP S5970175 A JPS5970175 A JP S5970175A
Authority
JP
Japan
Prior art keywords
voice coil
magnetic
yoke
actuator
coil motor
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
JP57179869A
Other languages
English (en)
Japanese (ja)
Inventor
Hatsuo Takahashi
高橋　肇夫
Junichi Hibino
純一 日比野
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.)
Hitachi Ltd
Hitachi High Tech Corp
Original Assignee
Hitachi Ltd
Hitachi Electronics Engineering 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 Hitachi Ltd, Hitachi Electronics Engineering Co Ltd filed Critical Hitachi Ltd
Priority to JP57179869A priority Critical patent/JPS5970175A/ja
Priority to US06/541,441 priority patent/US4658313A/en
Priority to DE19833337499 priority patent/DE3337499A1/de
Publication of JPS5970175A publication Critical patent/JPS5970175A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/11—Shielding of head against electric or magnetic fields
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Moving Of Heads (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
JP57179869A 1982-10-15 1982-10-15 アクチユエ−タ Pending JPS5970175A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP57179869A JPS5970175A (ja) 1982-10-15 1982-10-15 アクチユエ−タ
US06/541,441 US4658313A (en) 1982-10-15 1983-10-13 Magnetic shield for rotary actuator in a magnetic disc device
DE19833337499 DE3337499A1 (de) 1982-10-15 1983-10-14 Dreh-betaetigungselement fuer magnetplattenvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57179869A JPS5970175A (ja) 1982-10-15 1982-10-15 アクチユエ−タ

Publications (1)

Publication Number Publication Date
JPS5970175A true JPS5970175A (ja) 1984-04-20

Family

ID=16073327

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57179869A Pending JPS5970175A (ja) 1982-10-15 1982-10-15 アクチユエ−タ

Country Status (3)

Country Link
US (1) US4658313A (US07176919-20070213-C00032.png)
JP (1) JPS5970175A (US07176919-20070213-C00032.png)
DE (1) DE3337499A1 (US07176919-20070213-C00032.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155258U (US07176919-20070213-C00032.png) * 1984-07-03 1986-04-14
JP2007220219A (ja) * 2006-02-17 2007-08-30 Tdk Corp Ｖｃｍ装置

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01231649A (ja) * 1988-03-09 1989-09-14 Hitachi Ltd 回転駆動装置
KR0140496B1 (ko) * 1993-12-18 1998-07-01 김광호 무선호출 수신기의 메세지 확인방법
KR100263045B1 (ko) * 1994-07-07 2000-08-01 윤종용 하드 디스크 드라이브의 보이스 코일 모터 체결 방법 및 장치
US6388836B2 (en) 1998-11-13 2002-05-14 Hewlett-Packard Company Magnetic shield for a tape drive read/write head
US6421208B1 (en) * 2000-05-30 2002-07-16 Western Digital Technologies, Inc. Disk drive employing a voice coil motor comprising a yoke for generating a undirectional magnetic flux and a voice coil partially interacting with the undirectional magnetic flux
US6462914B1 (en) 2000-10-31 2002-10-08 Western Digital Technologies, Inc. Voice coil motor comprising a voice coil wrapped around a rotary voice coil yoke comprising a low reluctance end and a high reluctance end
US6529351B1 (en) 2001-01-31 2003-03-04 Western Digital Technologies, Inc. Disk drive comprising a voice coil motor having a yoke with a multiple-bend magnetic flux conductor
US7161768B1 (en) * 2003-11-26 2007-01-09 Western Digital Technologies, Inc. Disk drive including an orthogonally disposed actuator coil and an E-shaped voice coil motor yoke for supporting a pair of voice coil magnets
JP4358135B2 (ja) * 2005-03-14 2009-11-04 富士通株式会社 ボイスコイルモータ用ヨークおよび記録ディスク駆動装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300176A (en) * 1979-06-04 1981-11-10 Microcomputer Systems Corp. Fixed disc head actuator assembly
US4346416A (en) * 1980-02-29 1982-08-24 Digital Equipment Corporation Rotary actuator assembly for disk drive head positioner
US4331991A (en) * 1980-07-02 1982-05-25 Storage Technology Corporation Head actuator for magnetic disk drive
DE8032477U1 (de) * 1980-12-05 1983-03-17 Papst-Motoren GmbH & Co KG, 7742 St Georgen Antriebsvorrichtung fuer magnetische festplattenspeicher
JPS5823362A (ja) * 1981-07-30 1983-02-12 Nippon Telegr & Teleph Corp <Ntt> 揺動アクチユエ−タ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155258U (US07176919-20070213-C00032.png) * 1984-07-03 1986-04-14
JP2007220219A (ja) * 2006-02-17 2007-08-30 Tdk Corp Ｖｃｍ装置

Also Published As

Publication number Publication date
US4658313A (en) 1987-04-14
DE3337499C2 (US07176919-20070213-C00032.png) 1987-01-22
DE3337499A1 (de) 1984-04-19

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