AU2823397A - Apparatus and method for servo system calibration of a removable diskette medium - Google Patents

Apparatus and method for servo system calibration of a removable diskette medium

Info

Publication number
AU2823397A
AU2823397A AU28233/97A AU2823397A AU2823397A AU 2823397 A AU2823397 A AU 2823397A AU 28233/97 A AU28233/97 A AU 28233/97A AU 2823397 A AU2823397 A AU 2823397A AU 2823397 A AU2823397 A AU 2823397A
Authority
AU
Australia
Prior art keywords
servo system
system calibration
removable diskette
medium
diskette medium
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.)
Abandoned
Application number
AU28233/97A
Inventor
Lawrence K. C. Ko
Fei Hong Zhu
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.)
Swan Instruments
Original Assignee
Swan Instruments
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 Swan Instruments filed Critical Swan Instruments
Publication of AU2823397A publication Critical patent/AU2823397A/en
Abandoned 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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
    • G11B21/085—Access to indexed tracks or parts of continuous track on discs with track following of accessed part
    • 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
    • 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
    • G11B5/553—Details
    • G11B5/5534—Initialisation, calibration, e.g. cylinder "set-up"
    • 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
    • G11B5/59627—Aligning for runout, eccentricity or offset compensation
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • G11B5/825—Disk carriers flexible discs
AU28233/97A 1996-11-19 1997-05-02 Apparatus and method for servo system calibration of a removable diskette medium Abandoned AU2823397A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US75247896A 1996-11-19 1996-11-19
US08752478 1996-11-19
US82499097A 1997-03-27 1997-03-27
US08824990 1997-03-27
PCT/US1997/007388 WO1998022940A1 (en) 1996-11-19 1997-05-02 Apparatus and method for servo system calibration of a removable diskette medium

Publications (1)

Publication Number Publication Date
AU2823397A true AU2823397A (en) 1998-06-10

Family

ID=27115599

Family Applications (1)

Application Number Title Priority Date Filing Date
AU28233/97A Abandoned AU2823397A (en) 1996-11-19 1997-05-02 Apparatus and method for servo system calibration of a removable diskette medium

Country Status (3)

Country Link
JP (1) JPH10247365A (en)
AU (1) AU2823397A (en)
WO (1) WO1998022940A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000260111A (en) * 1999-03-09 2000-09-22 Sony Corp Motor
EP1906137A1 (en) * 2006-09-29 2008-04-02 Leica Geosystems AG Method and device for generating a synthetic wavelength

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4890172A (en) * 1988-09-27 1989-12-26 Digital Equipment Corporation Automatic servo gain calibration system for a disk drive
US5170299A (en) * 1990-08-17 1992-12-08 Quantum Corporation Edge servo for disk drive head positioner
US5424885A (en) * 1993-01-11 1995-06-13 Seagate Technology, Inc. Method for following data tracks in a disc drive using an improved thermal calibration method
US5550685A (en) * 1993-10-22 1996-08-27 Syquest Technology, Inc. Applying an adaptive feed-forward algorithm as a frequency selective filter in a closed loop disk drive servo system in order to compensate for periodic perturbations which otherwise appear in the servo system position error signal
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

Also Published As

Publication number Publication date
JPH10247365A (en) 1998-09-14
WO1998022940A1 (en) 1998-05-28

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