JPS5389713A - Servo signal demodulating sysyem of magnetic disk device - Google Patents

Servo signal demodulating sysyem of magnetic disk device

Info

Publication number
JPS5389713A
JPS5389713A JP515677A JP515677A JPS5389713A JP S5389713 A JPS5389713 A JP S5389713A JP 515677 A JP515677 A JP 515677A JP 515677 A JP515677 A JP 515677A JP S5389713 A JPS5389713 A JP S5389713A
Authority
JP
Japan
Prior art keywords
sysyem
magnetic disk
disk device
servo signal
signal demodulating
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
JP515677A
Other languages
Japanese (ja)
Inventor
Keizo Tashiro
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
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP515677A priority Critical patent/JPS5389713A/en
Publication of JPS5389713A publication Critical patent/JPS5389713A/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

Landscapes

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

Abstract

PURPOSE:To prevent the peak detection against a great amplitude noise for the purpose of reducing the turbulence of the position error signal, by installing a charging time limiting circuit in the plus/minus peak detecting circuit and by limiting the charging time.
JP515677A 1977-01-19 1977-01-19 Servo signal demodulating sysyem of magnetic disk device Pending JPS5389713A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP515677A JPS5389713A (en) 1977-01-19 1977-01-19 Servo signal demodulating sysyem of magnetic disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP515677A JPS5389713A (en) 1977-01-19 1977-01-19 Servo signal demodulating sysyem of magnetic disk device

Publications (1)

Publication Number Publication Date
JPS5389713A true JPS5389713A (en) 1978-08-07

Family

ID=11603392

Family Applications (1)

Application Number Title Priority Date Filing Date
JP515677A Pending JPS5389713A (en) 1977-01-19 1977-01-19 Servo signal demodulating sysyem of magnetic disk device

Country Status (1)

Country Link
JP (1) JPS5389713A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60140584A (en) * 1983-12-28 1985-07-25 Hitachi Ltd Magnetic disk and magnetic disk device using it
JPH01307979A (en) * 1988-06-07 1989-12-12 Nec Corp Floppy disk device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60140584A (en) * 1983-12-28 1985-07-25 Hitachi Ltd Magnetic disk and magnetic disk device using it
JPH01307979A (en) * 1988-06-07 1989-12-12 Nec Corp Floppy disk device

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