JPS5374009A - Servo information writing apparatus - Google Patents

Servo information writing apparatus

Info

Publication number
JPS5374009A
JPS5374009A JP15022376A JP15022376A JPS5374009A JP S5374009 A JPS5374009 A JP S5374009A JP 15022376 A JP15022376 A JP 15022376A JP 15022376 A JP15022376 A JP 15022376A JP S5374009 A JPS5374009 A JP S5374009A
Authority
JP
Japan
Prior art keywords
servo information
information writing
writing apparatus
eccentricity
carriage
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.)
Pending
Application number
JP15022376A
Other languages
Japanese (ja)
Inventor
Toshio Tanaka
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15022376A priority Critical patent/JPS5374009A/en
Publication of JPS5374009A publication Critical patent/JPS5374009A/en
Pending 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

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)

Abstract

PURPOSE:To remove the eccentricity and simultaneously to prevent the phase shift in the read information according to the tilting travel of carriage, etc., by writing the positioning information under the condition that the pack is being mounted inthe magnetic disk.
JP15022376A 1976-12-13 1976-12-13 Servo information writing apparatus Pending JPS5374009A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15022376A JPS5374009A (en) 1976-12-13 1976-12-13 Servo information writing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15022376A JPS5374009A (en) 1976-12-13 1976-12-13 Servo information writing apparatus

Publications (1)

Publication Number Publication Date
JPS5374009A true JPS5374009A (en) 1978-07-01

Family

ID=15492217

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15022376A Pending JPS5374009A (en) 1976-12-13 1976-12-13 Servo information writing apparatus

Country Status (1)

Country Link
JP (1) JPS5374009A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5622267A (en) * 1979-07-31 1981-03-02 Fujitsu Ltd Write-in system of servo information
JPS5687262A (en) * 1979-12-19 1981-07-15 Fujitsu Ltd Servo writing method of magnetic disk device
EP0042931A2 (en) * 1980-06-30 1982-01-06 International Business Machines Corporation Magnetic disk initialization method
EP0327207A2 (en) * 1988-02-03 1989-08-09 International Business Machines Corporation A method of writing a sector servo pattern for a record disk storage device
JPH0391172A (en) * 1989-08-31 1991-04-16 Fujitsu Ltd Servo information processing method for magnetic disk device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5622267A (en) * 1979-07-31 1981-03-02 Fujitsu Ltd Write-in system of servo information
JPS5687262A (en) * 1979-12-19 1981-07-15 Fujitsu Ltd Servo writing method of magnetic disk device
JPS6214911B2 (en) * 1979-12-19 1987-04-04 Fujitsu Ltd
EP0042931A2 (en) * 1980-06-30 1982-01-06 International Business Machines Corporation Magnetic disk initialization method
EP0042931A3 (en) * 1980-06-30 1982-05-12 International Business Machines Corporation Magnetic disk initialization method
EP0327207A2 (en) * 1988-02-03 1989-08-09 International Business Machines Corporation A method of writing a sector servo pattern for a record disk storage device
JPH0391172A (en) * 1989-08-31 1991-04-16 Fujitsu Ltd Servo information processing method for magnetic disk device

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