DE69022436D1 - Magnetplattenspeicher mit breitem Servokopf. - Google Patents

Magnetplattenspeicher mit breitem Servokopf.

Info

Publication number
DE69022436D1
DE69022436D1 DE69022436T DE69022436T DE69022436D1 DE 69022436 D1 DE69022436 D1 DE 69022436D1 DE 69022436 T DE69022436 T DE 69022436T DE 69022436 T DE69022436 T DE 69022436T DE 69022436 D1 DE69022436 D1 DE 69022436D1
Authority
DE
Germany
Prior art keywords
magnetic disk
disk storage
servo head
wide servo
wide
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.)
Expired - Fee Related
Application number
DE69022436T
Other languages
English (en)
Other versions
DE69022436T2 (de
Inventor
Earl Albert Cunningham
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69022436D1 publication Critical patent/DE69022436D1/de
Publication of DE69022436T2 publication Critical patent/DE69022436T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/48—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
    • G11B5/58—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • 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
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
DE1990622436 1989-01-27 1990-01-22 Magnetplattenspeicher mit breitem Servokopf. Expired - Fee Related DE69022436T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30348289A 1989-01-27 1989-01-27

Publications (2)

Publication Number Publication Date
DE69022436D1 true DE69022436D1 (de) 1995-10-26
DE69022436T2 DE69022436T2 (de) 1996-05-02

Family

ID=23172319

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990622436 Expired - Fee Related DE69022436T2 (de) 1989-01-27 1990-01-22 Magnetplattenspeicher mit breitem Servokopf.

Country Status (3)

Country Link
EP (1) EP0380283B1 (de)
JP (1) JP2531814B2 (de)
DE (1) DE69022436T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11149730A (ja) * 1997-11-18 1999-06-02 Hitachi Ltd 磁気記録装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6051172B2 (ja) * 1978-12-22 1985-11-12 富士通株式会社 磁気デイスク装置
US4402025A (en) * 1980-10-17 1983-08-30 Storage Technology Corporation Servo read/write head arm assembly for magnetic disk drive
JPS57105870A (en) * 1980-12-19 1982-07-01 Fujitsu Ltd Detecting system for head position signal
JPS60136072A (ja) * 1983-12-23 1985-07-19 Fujitsu Ltd ヘツド位置決め方式
JPS61151887A (ja) * 1984-12-26 1986-07-10 Toshiba Corp デイスク記憶装置
US4589037A (en) * 1985-03-18 1986-05-13 International Business Machines Corporation Servo control system using a varying frequency servo pattern for read/write head positioning in a magnetic recording disk file
JPH0685204B2 (ja) * 1985-05-13 1994-10-26 株式会社日立製作所 磁気記憶装置

Also Published As

Publication number Publication date
JP2531814B2 (ja) 1996-09-04
DE69022436T2 (de) 1996-05-02
EP0380283B1 (de) 1995-09-20
JPH02227811A (ja) 1990-09-11
EP0380283A2 (de) 1990-08-01
EP0380283A3 (de) 1991-07-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee