JPS5374008A - Servo signal writing method - Google Patents

Servo signal writing method

Info

Publication number
JPS5374008A
JPS5374008A JP15022276A JP15022276A JPS5374008A JP S5374008 A JPS5374008 A JP S5374008A JP 15022276 A JP15022276 A JP 15022276A JP 15022276 A JP15022276 A JP 15022276A JP S5374008 A JPS5374008 A JP S5374008A
Authority
JP
Japan
Prior art keywords
servo signal
writing method
signal writing
servo
signal
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
JP15022276A
Other languages
Japanese (ja)
Inventor
Masateru Sasaki
Sunao Nakamura
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 JP15022276A priority Critical patent/JPS5374008A/en
Publication of JPS5374008A publication Critical patent/JPS5374008A/en
Pending legal-status Critical Current

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  • Digital Magnetic Recording (AREA)

Abstract

PURPOSE: To decrease the quantity of fluctuation of the signal amplitude when the servo signals in outer and inner tracks are being read out, so as to accurately position the head, by continuously changing the servo-signal-write-current from outside to inside of the disk.
COPYRIGHT: (C)1978,JPO&Japio
JP15022276A 1976-12-13 1976-12-13 Servo signal writing method Pending JPS5374008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15022276A JPS5374008A (en) 1976-12-13 1976-12-13 Servo signal writing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15022276A JPS5374008A (en) 1976-12-13 1976-12-13 Servo signal writing method

Publications (1)

Publication Number Publication Date
JPS5374008A true JPS5374008A (en) 1978-07-01

Family

ID=15492194

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15022276A Pending JPS5374008A (en) 1976-12-13 1976-12-13 Servo signal writing method

Country Status (1)

Country Link
JP (1) JPS5374008A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60113302A (en) * 1983-11-24 1985-06-19 Rohm Co Ltd Floppy disk device
US6963458B2 (en) 2002-02-28 2005-11-08 Hitachi Global Storage Technologies, Netherlands B.V. Method and apparatus for reducing the servo position error signal non-linearity during self-servo writing irrespective of the head width

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60113302A (en) * 1983-11-24 1985-06-19 Rohm Co Ltd Floppy disk device
US6963458B2 (en) 2002-02-28 2005-11-08 Hitachi Global Storage Technologies, Netherlands B.V. Method and apparatus for reducing the servo position error signal non-linearity during self-servo writing irrespective of the head width

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