KR910006966A - 자기디스크장치 - Google Patents

자기디스크장치 Download PDF

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Publication number
KR910006966A
KR910006966A KR1019900014699A KR900014699A KR910006966A KR 910006966 A KR910006966 A KR 910006966A KR 1019900014699 A KR1019900014699 A KR 1019900014699A KR 900014699 A KR900014699 A KR 900014699A KR 910006966 A KR910006966 A KR 910006966A
Authority
KR
South Korea
Prior art keywords
magnetic disk
enclosure
frame
center
disk apparatus
Prior art date
Application number
KR1019900014699A
Other languages
English (en)
Other versions
KR950001611B1 (ko
Inventor
마사하루 스기모또
게이지 아루가
도모요시 야마다
다까히로 이마무라
요시후미 미조시따
Original Assignee
세끼자와 다다시
후지쓰 가부시끼가이샤
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 JP1240198A external-priority patent/JP2777917B2/ja
Priority claimed from JP27045089A external-priority patent/JP2754413B2/ja
Priority claimed from JP2037196A external-priority patent/JP2777922B2/ja
Priority claimed from JP5642290A external-priority patent/JP2725071B2/ja
Application filed by 세끼자와 다다시, 후지쓰 가부시끼가이샤 filed Critical 세끼자와 다다시
Publication of KR910006966A publication Critical patent/KR910006966A/ko
Application granted granted Critical
Publication of KR950001611B1 publication Critical patent/KR950001611B1/ko

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Classifications

    • 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
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • 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
    • G11B5/5582—Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
    • G11B33/08—Insulation or absorption of undesired vibrations or sounds

Landscapes

  • Moving Of Heads (AREA)

Abstract

내용 없음

Description

자기디스크장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제4도 및 제5도는 본 발명에 의한 로터리 액튜에이터를 설비한 자기디스크장치의 부분절개평면도 및 상세 평면도.
제6도는 본 발명에 의한 자기디스크장치의 개변예를 나타내는 평면도.

Claims (12)

  1. 회전구동기구에 의해서 회전되는 적어도 하나의 자기디스크와 상기 디스크의 지정된 트랙에 상기 자기헤드를 위치 맞춤하는 로터리 액튜에이터를 엔클로저내에 설비한 자기디스크장치에 있어서, 프레임이 상기 엔클로저를 부착하기 위하여 설비되고 복수의 방진지지부재가 상기 프레임을 거쳐서 가해지는 상기 디스크의 회전축에 대해서 직각평면내의 병진진동입력에 대해서 상기 엔클로저의 중력중심 둘레의 1차 모멘트의 밸런스를 취하기 위하여 상기 프레임과 상기 엔클로저와의 사이에 설비된 것을 특징으로 하는 자기디스크장치.
  2. 제1항에 있어서, 상기 로터리 액튜에이터의 위치맞춤을 제어하기 위하여 페루프로된 서보제어계를 더 포함하고 상기 방전지지부재를 포함하는 지지계의 공진주파수가 적어도 상기 서보제어계의 서보대역 폭의 1/5~1/4의 범위밖으로 설정되는 것을 특징으로 하는 자기디스크장치.
  3. 제1항에 있어서, 상기 자기디스크의 중심을 지지하는 스핀들의 회전중심이 상기 엔클로저의 중력중심과 일치되어 있는 것을 특징으로 하는 자기디스크장치.
  4. 데이타를 기억하는 적어도 하나의 자기 디스크; 상기 자기디스크를 회전하는 회전구동기구; 상기 디스크에 지정된 트랙으로/부터 데이타를 기입 또는 독출하는 자기헤드; 상기 디스크의 지정된 트랙에 상기 헤드를 위치맞춤하고 상기 헤드를 지지하고 회전중심 둘레를 일정각 회전하여 회전축의 중심과 그 중력중심을 일치시키는 이동부가 설비된 로터리 액튜에이터; 상기 로터리 액튜에이터의 위치맞춤을 제어하는 페루프로된 서보제어수단; 상기 디스크의 회전축 중심과 그 중력중심이 일치되는 일정한 위치관계로 상기 부재들을 내장하는 엔클로저; 상기 엔클로저를 부착하는 프레임 및; 상기 프레임으로 상기 엔클로저를 지지하고, 상기 엔클로저와 프레임과의 사이에 배치되어 상기 엔클로저의 중력중심둘레의 1차 모멘트를 상기 디스크의 회전축에 대해서 수직평면내의 상기 프레임을 거쳐서 가해지는 병진진동입력에 대해서 밸런스를 취하고 그 공진주파수가 상기 서보제어계의 서보대역폭의 적어도 1/5~1/4범위 밖으로 설정되어있는 복수의 방진지지부재로 구성되는 자기디스크장치.
  5. 제1~4항 중 어느 한 항에 있어서, 상기 방진지지부재가 탄성재에 의해서 형성되는 것을 특징으로 하는 자기디스크 장치.
  6. 제2항 또는 제4항에 있어서, 상기 방진지지부재를 포함하는 지지계의 공진주파수가 상기 서보제어계의 서보대역폭의 1/10이하로 설정되는 것을 특징으로 하는 자기디스크장치.
  7. 제2항 또는 제4항에 있어서, 상기 방진지지부재를 포함하는 지지계의 공진주파수가 상기 서보제어계의 서보대역폭 보다도 높게 설정되는 것을 특징으로 하는 자기디스크장치.
  8. 제5항에 있어서, 상기 각 방진지지부재가 방진고무로 형성되는 것을 특징으로 하는 자기디스크장치.
  9. 제8항에 있어서, 복수쌍으로 된 방진지지부재가 설비되고 각 쌍의 방진지지부재가 온도에 대한 감쇄특성이 다른 방전고무로 형성되는 것을 특징으로 하는 자기디스크장치.
  10. 제8항에 있어서, 각 방진고무가 온도에 대한 감쇄특성이 다른 복수의 고무재를 접합시켜서 되는 것을 특징으로 하는 자기 디스크장치.
  11. 제1항에 있어서, 상기 프레임이 내부프레임과 외부프레임으로 되고, 복수의 방진지지부재에 의해서 상호 지지되는 2중 프레임 구조로 되어있는 것을 특징으로 하는 자기 디스크장치.
  12. 제11항에 있어서, 상기 엔클로저가 제1방향으로는 강성이고 상기 제1방향에 직각인 제2방향으로는 유연성인 복수의 제1방진지지부재에 의해서 상기 내부프레임에 지지되고 상기 내부프레임이 상기 제1방향으로는 유연성이고 상기 제2방향으로는 강성인 제2방진지지부재에 의해서 외부프레임에 지지되는 것을 특징으로 하는 자기 디스크장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900014699A 1989-09-18 1990-09-18 자기디스크장치 KR950001611B1 (ko)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP1240198A JP2777917B2 (ja) 1989-09-18 1989-09-18 磁気ディスク装置
JP1-240198 1989-09-18
JP1-270450 1989-10-19
JP27045089A JP2754413B2 (ja) 1989-10-19 1989-10-19 磁気ディスク装置
JP2-37196 1990-02-20
JP2037196A JP2777922B2 (ja) 1990-02-20 1990-02-20 磁気ディスク装置
JP5642290A JP2725071B2 (ja) 1990-03-09 1990-03-09 磁気ディスク装置
JP2-56422 1990-03-09

Publications (2)

Publication Number Publication Date
KR910006966A true KR910006966A (ko) 1991-04-30
KR950001611B1 KR950001611B1 (ko) 1995-02-27

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Application Number Title Priority Date Filing Date
KR1019900014699A KR950001611B1 (ko) 1989-09-18 1990-09-18 자기디스크장치

Country Status (5)

Country Link
US (1) US5349486A (ko)
EP (1) EP0419345B1 (ko)
KR (1) KR950001611B1 (ko)
CA (1) CA2025497C (ko)
DE (1) DE69029496T2 (ko)

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Publication number Publication date
KR950001611B1 (ko) 1995-02-27
EP0419345B1 (en) 1996-12-27
US5349486A (en) 1994-09-20
DE69029496T2 (de) 1997-04-10
EP0419345A3 (en) 1992-11-25
EP0419345A2 (en) 1991-03-27
CA2025497A1 (en) 1991-03-19
DE69029496D1 (de) 1997-02-06
CA2025497C (en) 1996-05-28

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