DE69021454D1 - Plattenspeichersystem. - Google Patents

Plattenspeichersystem.

Info

Publication number
DE69021454D1
DE69021454D1 DE69021454T DE69021454T DE69021454D1 DE 69021454 D1 DE69021454 D1 DE 69021454D1 DE 69021454 T DE69021454 T DE 69021454T DE 69021454 T DE69021454 T DE 69021454T DE 69021454 D1 DE69021454 D1 DE 69021454D1
Authority
DE
Germany
Prior art keywords
storage system
disk storage
disk
storage
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
DE69021454T
Other languages
English (en)
Other versions
DE69021454T2 (de
Inventor
Takehiko Saito
Tatsuo Eguchi
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.)
Sony Corp
Original Assignee
Sony 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 JP15102089A external-priority patent/JP2674216B2/ja
Priority claimed from JP25548089A external-priority patent/JP2745722B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69021454D1 publication Critical patent/DE69021454D1/de
Publication of DE69021454T2 publication Critical patent/DE69021454T2/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
    • 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
    • G11B5/58—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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B20/1252—Formatting, e.g. arrangement of data block or words on the record carriers on discs for discontinuous data, e.g. digital information signals, computer programme data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1281—Servo information
    • G11B2020/1282—Servo information in embedded servo fields
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1281—Servo information
    • G11B2020/1284—Servo information in servo fields which split data fields
DE69021454T 1989-06-13 1990-06-13 Plattenspeichersystem. Expired - Fee Related DE69021454T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15102089A JP2674216B2 (ja) 1989-06-13 1989-06-13 磁気ディスク装置
JP25548089A JP2745722B2 (ja) 1989-09-30 1989-09-30 磁気デイスク装置

Publications (2)

Publication Number Publication Date
DE69021454D1 true DE69021454D1 (de) 1995-09-14
DE69021454T2 DE69021454T2 (de) 1996-05-02

Family

ID=26480418

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021454T Expired - Fee Related DE69021454T2 (de) 1989-06-13 1990-06-13 Plattenspeichersystem.

Country Status (3)

Country Link
EP (1) EP0402912B1 (de)
KR (1) KR910001728A (de)
DE (1) DE69021454T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5517631A (en) * 1991-02-01 1996-05-14 Quantum Corporation Miniature disk drive having embedded sector servo with split data fields and automatic on-the-fly data block sequencing
EP0517473B1 (de) 1991-06-04 1997-03-19 Quantum Corporation Miniatureplattenantriebsgerät mit eingebettetem Servosector und trennbaren Datenfeldern und sofortige Datenblockreihenfolge
JP2625609B2 (ja) * 1991-07-10 1997-07-02 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 ディスク記憶装置
JPH07262566A (ja) * 1994-03-24 1995-10-13 Toshiba Corp 光ディスクと光ディスク装置
JP7234176B2 (ja) * 2020-03-17 2023-03-07 株式会社東芝 磁気ディスク装置及びＤｅｐｏｐ処理方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001883A (en) * 1974-03-07 1977-01-04 Honeywell Information Systems, Inc. High density data storage on magnetic disk
US4016603A (en) * 1975-05-30 1977-04-05 International Business Machines Corporation Disk storage apparatus having signals recorded in a specific format
JPS5891512A (ja) * 1981-11-25 1983-05-31 Hitachi Ltd デ−タ記録方式
JPS6040570A (ja) * 1983-08-12 1985-03-02 Hitachi Ltd デ−タ記録再生装置
US4918677A (en) * 1985-01-23 1990-04-17 Canon Kabushiki Kaisha Information recording/reproducing apparatus including a plurality of recording or reproducing rates
JPS61208675A (ja) * 1985-03-12 1986-09-17 Matsushita Electric Ind Co Ltd 光デイスク

Also Published As

Publication number Publication date
DE69021454T2 (de) 1996-05-02
EP0402912A2 (de) 1990-12-19
EP0402912A3 (de) 1991-01-23
KR910001728A (ko) 1991-01-31
EP0402912B1 (de) 1995-08-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8339 Ceased/non-payment of the annual fee