DE3853484D1 - Spurverfolgung-Kontrollsystem für magnetische Platteneinheit. - Google Patents

Spurverfolgung-Kontrollsystem für magnetische Platteneinheit.

Info

Publication number
DE3853484D1
DE3853484D1 DE3853484T DE3853484T DE3853484D1 DE 3853484 D1 DE3853484 D1 DE 3853484D1 DE 3853484 T DE3853484 T DE 3853484T DE 3853484 T DE3853484 T DE 3853484T DE 3853484 D1 DE3853484 D1 DE 3853484D1
Authority
DE
Germany
Prior art keywords
control system
magnetic disk
tracking control
disk unit
tracking
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 - Lifetime
Application number
DE3853484T
Other languages
English (en)
Other versions
DE3853484T2 (de
Inventor
Hiroki Murayama
Takahiko Tsujisawa
Toshikazu Hashimoto
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.)
NEC Corp
Original Assignee
NEC 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
Priority claimed from JP398787A external-priority patent/JPS63173282A/ja
Priority claimed from JP3241387A external-priority patent/JPS63201963A/ja
Priority claimed from JP15050587A external-priority patent/JPS63313373A/ja
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3853484D1 publication Critical patent/DE3853484D1/de
Publication of DE3853484T2 publication Critical patent/DE3853484T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B5/59633—Servo formatting
    • G11B5/59655—Sector, sample or burst servo format
DE3853484T 1987-01-13 1988-01-12 Spurverfolgung-Kontrollsystem für magnetische Platteneinheit. Expired - Lifetime DE3853484T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP398787A JPS63173282A (ja) 1987-01-13 1987-01-13 トラツク追従制御方式
JP3241387A JPS63201963A (ja) 1987-02-17 1987-02-17 トラツク追従制御方式
JP15050587A JPS63313373A (ja) 1987-06-16 1987-06-16 磁気ヘッド位置決め方式

Publications (2)

Publication Number Publication Date
DE3853484D1 true DE3853484D1 (de) 1995-05-11
DE3853484T2 DE3853484T2 (de) 1995-12-07

Family

ID=27276062

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3853484T Expired - Lifetime DE3853484T2 (de) 1987-01-13 1988-01-12 Spurverfolgung-Kontrollsystem für magnetische Platteneinheit.

Country Status (3)

Country Link
US (1) US4977470A (de)
EP (1) EP0275078B1 (de)
DE (1) DE3853484T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5119254A (en) * 1980-09-24 1992-06-02 Quantum Corporation Data transducer position control system for rotating disk data storage equipment
US5369535A (en) * 1992-03-25 1994-11-29 International Business Machines Corporation Fixed block architecture disk file with improved position identification and error handling
US5455724A (en) * 1992-03-31 1995-10-03 Fujitsu Limited Method of compensating offtrack in disk unit
US5574602A (en) * 1993-06-14 1996-11-12 International Business Machines Corporation Processing servo signals concurrently read from plural spaced-apart servo areas for a magnetic tape having serpentine data track scanning
JPH07254243A (ja) * 1994-03-15 1995-10-03 Fujitsu Ltd ディスク装置及びディスク媒体
US5566034A (en) * 1994-06-03 1996-10-15 Quantum Corporation Off-track detection with charge redistribution A/D circuits
KR0147228B1 (ko) * 1994-10-27 1998-10-15 김광호 자기 디스크 구동장치에서 오프-트랙을 이용한 트랙 추종 방법
US6230062B1 (en) * 1999-01-08 2001-05-08 Voyan Technology Adaptation to unmeasured variables
US7196859B2 (en) * 2004-07-09 2007-03-27 Imation Corp. Processing techniques for time-based servo patterns

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050695A1 (de) * 1980-10-29 1982-05-05 International Business Machines Corporation Abtastende Servo-Systeme zur Positionsregelung
JPS5975125A (ja) * 1982-10-22 1984-04-27 Mitsubishi Electric Corp 異常検出装置
JPS59144079A (ja) * 1983-02-08 1984-08-17 Sony Corp 磁気円盤記録再生装置
JPS6047275A (ja) * 1983-08-25 1985-03-14 Toshiba Corp ヘッドの位置決め方式
US4530020A (en) * 1984-06-06 1985-07-16 Dma Systems Self-timed runout correction pattern
US4575775A (en) * 1984-08-27 1986-03-11 International Business Machines Corporation Magnetic recording disk having a sector servo pattern for use with a multiple element head
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

Also Published As

Publication number Publication date
US4977470A (en) 1990-12-11
EP0275078A3 (en) 1990-09-12
DE3853484T2 (de) 1995-12-07
EP0275078A2 (de) 1988-07-20
EP0275078B1 (de) 1995-04-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition