JPS5240307A - Positioning control system - Google Patents

Positioning control system

Info

Publication number
JPS5240307A
JPS5240307A JP11683375A JP11683375A JPS5240307A JP S5240307 A JPS5240307 A JP S5240307A JP 11683375 A JP11683375 A JP 11683375A JP 11683375 A JP11683375 A JP 11683375A JP S5240307 A JPS5240307 A JP S5240307A
Authority
JP
Japan
Prior art keywords
control system
positioning control
repetedly
arithmatics
read
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
JP11683375A
Other languages
Japanese (ja)
Inventor
Fumihiko Saito
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 JP11683375A priority Critical patent/JPS5240307A/en
Publication of JPS5240307A publication Critical patent/JPS5240307A/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

Abstract

PURPOSE:More than 4 frequency signals sequentially recorded on control disc repetedly according to cylinder Nos. and read as servo data and by processing them by arithmatics, magnetic heads are positioned relative to high density tracks.
JP11683375A 1975-09-26 1975-09-26 Positioning control system Pending JPS5240307A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11683375A JPS5240307A (en) 1975-09-26 1975-09-26 Positioning control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11683375A JPS5240307A (en) 1975-09-26 1975-09-26 Positioning control system

Publications (1)

Publication Number Publication Date
JPS5240307A true JPS5240307A (en) 1977-03-29

Family

ID=14696744

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11683375A Pending JPS5240307A (en) 1975-09-26 1975-09-26 Positioning control system

Country Status (1)

Country Link
JP (1) JPS5240307A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6038771A (en) * 1983-08-09 1985-02-28 Comput Basic Mach Technol Res Assoc Positioning servo system of recording and reproducing head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6038771A (en) * 1983-08-09 1985-02-28 Comput Basic Mach Technol Res Assoc Positioning servo system of recording and reproducing head

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