JPH0217844B2 - - Google Patents

Info

Publication number
JPH0217844B2
JPH0217844B2 JP58051825A JP5182583A JPH0217844B2 JP H0217844 B2 JPH0217844 B2 JP H0217844B2 JP 58051825 A JP58051825 A JP 58051825A JP 5182583 A JP5182583 A JP 5182583A JP H0217844 B2 JPH0217844 B2 JP H0217844B2
Authority
JP
Japan
Prior art keywords
servo
transducer
disk
magnetic
data
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 - Lifetime
Application number
JP58051825A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59177770A (ja
Inventor
Hideo 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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP5182583A priority Critical patent/JPS59177770A/ja
Priority to US06/547,265 priority patent/US4581663A/en
Priority to EP87106964A priority patent/EP0242887A3/en
Priority to EP83110921A priority patent/EP0108386B1/en
Priority to DE8383110921T priority patent/DE3379127D1/de
Publication of JPS59177770A publication Critical patent/JPS59177770A/ja
Publication of JPH0217844B2 publication Critical patent/JPH0217844B2/ja
Granted 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
    • 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
    • G11B5/5965—Embedded servo format

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP5182583A 1982-11-02 1983-03-28 磁気デイスク装置のトラツク追従サ−ボ方式 Granted JPS59177770A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP5182583A JPS59177770A (ja) 1983-03-28 1983-03-28 磁気デイスク装置のトラツク追従サ−ボ方式
US06/547,265 US4581663A (en) 1982-11-02 1983-10-31 Buried servo recording system having dual transducers
EP87106964A EP0242887A3 (en) 1982-11-02 1983-11-02 Buried servo recording system having dual transducers
EP83110921A EP0108386B1 (en) 1982-11-02 1983-11-02 Buried servo recording system having dual transducers
DE8383110921T DE3379127D1 (en) 1982-11-02 1983-11-02 Buried servo recording system having dual transducers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5182583A JPS59177770A (ja) 1983-03-28 1983-03-28 磁気デイスク装置のトラツク追従サ−ボ方式

Publications (2)

Publication Number Publication Date
JPS59177770A JPS59177770A (ja) 1984-10-08
JPH0217844B2 true JPH0217844B2 (en]) 1990-04-23

Family

ID=12897660

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5182583A Granted JPS59177770A (ja) 1982-11-02 1983-03-28 磁気デイスク装置のトラツク追従サ−ボ方式

Country Status (1)

Country Link
JP (1) JPS59177770A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2695890B2 (ja) * 1989-01-18 1998-01-14 株式会社東芝 深層記録サーボ式磁気ディスク装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57113414A (en) * 1980-12-30 1982-07-14 Yoshiro Nakamatsu Servo disk system

Also Published As

Publication number Publication date
JPS59177770A (ja) 1984-10-08

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