DE69728196D1 - Magnetische Platteneinheit - Google Patents

Magnetische Platteneinheit

Info

Publication number
DE69728196D1
DE69728196D1 DE69728196T DE69728196T DE69728196D1 DE 69728196 D1 DE69728196 D1 DE 69728196D1 DE 69728196 T DE69728196 T DE 69728196T DE 69728196 T DE69728196 T DE 69728196T DE 69728196 D1 DE69728196 D1 DE 69728196D1
Authority
DE
Germany
Prior art keywords
magnetic disk
disk unit
unit
magnetic
disk
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
DE69728196T
Other languages
English (en)
Other versions
DE69728196T2 (de
Inventor
Makoto Horisaki
Yosuke Seo
Yosuke Hamada
Takashi Yamaguchi
Kayuhisa Shishida
Hidehiko Numasato
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
Original Assignee
Hitachi 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 filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE69728196D1 publication Critical patent/DE69728196D1/de
Publication of DE69728196T2 publication Critical patent/DE69728196T2/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
    • G11B5/59633—Servo formatting
    • G11B5/59655—Sector, sample or burst servo format
DE69728196T 1996-01-19 1997-01-14 Magnetplattenlaufwerk Expired - Fee Related DE69728196T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP714196 1996-01-19
JP00714196A JP3704390B2 (ja) 1996-01-19 1996-01-19 磁気ディスク装置

Publications (2)

Publication Number Publication Date
DE69728196D1 true DE69728196D1 (de) 2004-04-29
DE69728196T2 DE69728196T2 (de) 2004-12-02

Family

ID=11657806

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69728196T Expired - Fee Related DE69728196T2 (de) 1996-01-19 1997-01-14 Magnetplattenlaufwerk

Country Status (5)

Country Link
EP (1) EP0785542B1 (de)
JP (1) JP3704390B2 (de)
CN (1) CN1087094C (de)
DE (1) DE69728196T2 (de)
SG (1) SG45526A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3743698B2 (ja) 1998-07-10 2006-02-08 富士通株式会社 記憶装置及びそのポジション感度設定方法
WO2002091381A1 (fr) * 2001-04-27 2002-11-14 Fujitsu Limited Dispositif a disque magnetique et procede de surveillance des vibrations haute frequence
JP3961456B2 (ja) 2003-06-30 2007-08-22 富士通株式会社 ヘッド位置復調方法及びデイスク装置
JP4185067B2 (ja) 2005-03-30 2008-11-19 株式会社東芝 磁気ディスク装置におけるヘッド位置演算方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4802033A (en) * 1986-11-07 1989-01-31 Eastman Kodak Company Predictive positioning offset compensation for high TPI disk systems
US5170299A (en) * 1990-08-17 1992-12-08 Quantum Corporation Edge servo for disk drive head positioner
US5257149A (en) * 1991-02-13 1993-10-26 Seagate Technology, Inc. Disc drive with offset address field
JP2635912B2 (ja) 1993-07-19 1997-07-30 インターナショナル・ビジネス・マシーンズ・コーポレイション 磁気ヘッドの位置検出方法及び磁気ディスク装置
US5400201A (en) * 1993-10-25 1995-03-21 Syquest Technology, Inc. Servo burst pattern for removing offset caused by magnetic distortion and method associated therewith
US5500776A (en) * 1993-12-16 1996-03-19 Seagate Technology, Inc. Self-calibration for computer disk read/write offsets
JPH07287950A (ja) * 1994-04-15 1995-10-31 Teac Corp ヘッド位置検出方法及びヘッド位置決め方法

Also Published As

Publication number Publication date
JP3704390B2 (ja) 2005-10-12
EP0785542A1 (de) 1997-07-23
CN1164104A (zh) 1997-11-05
SG45526A1 (en) 1998-01-16
DE69728196T2 (de) 2004-12-02
JPH09198817A (ja) 1997-07-31
CN1087094C (zh) 2002-07-03
EP0785542B1 (de) 2004-03-24

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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