DE3484070D1 - Selbstsynchronisierte fehlerkonfigurations-abweichung. - Google Patents

Selbstsynchronisierte fehlerkonfigurations-abweichung.

Info

Publication number
DE3484070D1
DE3484070D1 DE8585900331T DE3484070T DE3484070D1 DE 3484070 D1 DE3484070 D1 DE 3484070D1 DE 8585900331 T DE8585900331 T DE 8585900331T DE 3484070 T DE3484070 T DE 3484070T DE 3484070 D1 DE3484070 D1 DE 3484070D1
Authority
DE
Germany
Prior art keywords
track
center line
control information
runout correction
bursts
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
DE8585900331T
Other languages
English (en)
Inventor
A Sutton
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.)
DMA Systems Corp
Original Assignee
DMA Systems 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 DMA Systems Corp filed Critical DMA Systems Corp
Application granted granted Critical
Publication of DE3484070D1 publication Critical patent/DE3484070D1/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
    • G11B21/106—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 on disks
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Optical Recording Or Reproduction (AREA)
DE8585900331T 1984-06-06 1984-11-26 Selbstsynchronisierte fehlerkonfigurations-abweichung. Expired - Fee Related DE3484070D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/617,887 US4530020A (en) 1984-06-06 1984-06-06 Self-timed runout correction pattern
PCT/US1984/001937 WO1985005719A1 (en) 1984-06-06 1984-11-26 Self-timed runout correction pattern

Publications (1)

Publication Number Publication Date
DE3484070D1 true DE3484070D1 (de) 1991-03-07

Family

ID=24475447

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585900331T Expired - Fee Related DE3484070D1 (de) 1984-06-06 1984-11-26 Selbstsynchronisierte fehlerkonfigurations-abweichung.

Country Status (4)

Country Link
US (1) US4530020A (de)
EP (1) EP0186662B1 (de)
DE (1) DE3484070D1 (de)
WO (1) WO1985005719A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4737869A (en) * 1985-03-20 1988-04-12 Kabushiki Kaisha Toshiba Magnetic disk having data area and index servo area and servo system for positioning read/write head on magnetic disk
AU597537B2 (en) * 1986-11-10 1990-05-31 Seagate Technology, Inc. Bipolar motor control
EP0275078B1 (de) * 1987-01-13 1995-04-05 Nec Corporation Spurverfolgung-Kontrollsystem für magnetische Platteneinheit
US4764914A (en) * 1987-09-11 1988-08-16 Eastman Kodak Company Least squares method and apparatus for determining track eccentricity of a disk
US4935835A (en) * 1988-11-10 1990-06-19 Insite Peripherals, Inc. Magnetic media containing reference feature and methods for referencing magnetic head position to the reference feature
US5040084A (en) * 1989-04-06 1991-08-13 Digisys Corporation Disk drive system and method
EP0494869B1 (de) * 1989-07-27 1996-09-04 Conner Peripherals, Inc. Plattenantriebssystem mit mehreren eingebetteten quadratur-servo-feldern
US4987355A (en) * 1989-12-05 1991-01-22 Digital Equipment Corporation Self-synchronizing servo control system and servo data code for high density disk drives
US5185681A (en) * 1990-09-28 1993-02-09 Seagate Thermal offset compensation for high density disk drives
US5379166A (en) * 1990-11-15 1995-01-03 Oki Electric Industry Co., Ltd. Magnetic disk drive device
US5305302A (en) * 1990-12-04 1994-04-19 Conner Peripherals, Inc. Track format and record carrier system for split data field support
US5257149A (en) * 1991-02-13 1993-10-26 Seagate Technology, Inc. Disc drive with offset address field
AU2304392A (en) * 1991-06-26 1993-01-25 Maxtor Corporation Method and apparatus for detecting data track misregistration
US5317713A (en) * 1991-09-19 1994-05-31 Quantum Corporation Micro-winchester disk drive having on-board segmented cache memory
US5379171A (en) * 1991-09-25 1995-01-03 Integral Peripherals Microminiature hard disk drive
US5321560A (en) * 1991-09-25 1994-06-14 Integral Peripherals, Inc. Embedded servo system for low power disk drives
US6310747B1 (en) 1991-09-25 2001-10-30 Mobile Storage Technology, Inc. Method for reducing external signal interference with signals in a computer disk storage system
US6040955A (en) * 1992-06-11 2000-03-21 International Business Machines Corporation Self servo writing file
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
DE69433095T2 (de) * 1993-12-01 2004-06-03 Maxtor Corp., San Jose Plattenlaufwerk mit adaptivem lese-/schreibkanal zur optimierung der leistung zwischen kopf, medium und kanal
US6091559A (en) * 1994-12-19 2000-07-18 Mobile Storage Technology Inc. Variable zone layout and track pitch parameter considerations for information storage disk drive
US5596458A (en) * 1994-12-19 1997-01-21 Integral Peripherals, Inc. Variable zone layout for information storage disk drive
US5847894A (en) * 1994-12-30 1998-12-08 International Business Machines Corporation Disk and storage device having an anti-alias data pattern located on a servo sector
JP2965062B2 (ja) 1996-06-10 1999-10-18 富士通株式会社 ディスク装置及びディスク装置のヘッド位置制御方法
JP3253535B2 (ja) * 1996-09-20 2002-02-04 富士通株式会社 ディスク装置のヘッド位置決め制御装置及び磁気ディスク装置
US6411459B1 (en) 1999-02-22 2002-06-25 Seagate Technology Llc Advanced servo writing method for hard disc drives
JP3270439B2 (ja) * 1999-12-28 2002-04-02 株式会社東芝 ディスク記憶装置
US7342741B1 (en) 2000-02-10 2008-03-11 Esgw Holdings Limited Disk drive with variable track density
JP4644356B2 (ja) * 2000-11-10 2011-03-02 株式会社日立グローバルストレージテクノロジーズ 磁気ディスク装置及び、磁気記録再生装置のサーボライト方式
US6995943B1 (en) * 2001-12-11 2006-02-07 Maxtor Corporation Off-track error recovery method and apparatus for disk drive
JP2004103144A (ja) * 2002-09-11 2004-04-02 Fujitsu Ltd 円盤状記録媒体を備えた記録装置およびサーボ情報処理方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1549440A (en) * 1976-07-06 1979-08-08 Data Recording Instr Co Magnetic storage devices
US4135217A (en) * 1976-11-02 1979-01-16 Xerox Corporation Utilization of stored run-out information in a track following servo system
US4157577A (en) * 1977-11-14 1979-06-05 International Business Machines Corporation Rotatable storage apparatus with digitally responsive circuitry for track selection
US4188646A (en) * 1978-05-30 1980-02-12 Sperry Rand Corporation Sectorized data path following servo system
DE2928311A1 (de) * 1979-07-13 1981-02-05 Basf Ag Spurlageregelung fuer ein system zur aufzeichnung/wiedergabe von informationen auf einem magnetaufzeichnungstraeger, insbesondere einem flexiblen magnetaufzeichnungstraeger
US4286296A (en) * 1979-12-31 1981-08-25 International Business Machines Corporation Transducer positioning system
US4371960A (en) * 1980-12-24 1983-02-01 Magnetic Peripherals Inc. Measurement of disc servo head/data head misalignment
EP0088554B1 (de) * 1982-02-24 1986-04-16 Kabushiki Kaisha Toshiba Verfahren und Vorrichtung zur Lageermittlung und Vorrichtung zum Positionieren eines Schreib-Lesekopfes während der Suchoperation bei einem Plattenspeicher mit Daten und Servosektoren
US4536809A (en) * 1982-05-10 1985-08-20 Digital Equipment Corporation Adaptive misposition correcting method and apparatus for magnetic disk servo system

Also Published As

Publication number Publication date
WO1985005719A1 (en) 1985-12-19
EP0186662A1 (de) 1986-07-09
US4530020A (en) 1985-07-16
EP0186662A4 (de) 1988-06-08
EP0186662B1 (de) 1991-01-30

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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