JPS5718060A - Servo track write-in system - Google Patents

Servo track write-in system

Info

Publication number
JPS5718060A
JPS5718060A JP9053680A JP9053680A JPS5718060A JP S5718060 A JPS5718060 A JP S5718060A JP 9053680 A JP9053680 A JP 9053680A JP 9053680 A JP9053680 A JP 9053680A JP S5718060 A JPS5718060 A JP S5718060A
Authority
JP
Japan
Prior art keywords
disc
servo
tracks
actuator
arm
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.)
Granted
Application number
JP9053680A
Other languages
English (en)
Other versions
JPS6330708B2 (ja
Inventor
Hideo Takahashi
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 JP9053680A priority Critical patent/JPS5718060A/ja
Publication of JPS5718060A publication Critical patent/JPS5718060A/ja
Publication of JPS6330708B2 publication Critical patent/JPS6330708B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/10Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP9053680A 1980-07-04 1980-07-04 Servo track write-in system Granted JPS5718060A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9053680A JPS5718060A (en) 1980-07-04 1980-07-04 Servo track write-in system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9053680A JPS5718060A (en) 1980-07-04 1980-07-04 Servo track write-in system

Publications (2)

Publication Number Publication Date
JPS5718060A true JPS5718060A (en) 1982-01-29
JPS6330708B2 JPS6330708B2 (ja) 1988-06-20

Family

ID=14001127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9053680A Granted JPS5718060A (en) 1980-07-04 1980-07-04 Servo track write-in system

Country Status (1)

Country Link
JP (1) JPS5718060A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5854715A (en) * 1994-11-17 1998-12-29 Fujitsu Limited Method for tracking a read head on a data area on a disk and disk apparatus using the method
US5940237A (en) * 1994-07-29 1999-08-17 Fujitsu Limited Disk medium whose track density is changed in a radial direction and disk apparatus using the same disk medium
US6437947B1 (en) 1997-03-17 2002-08-20 Fujitsu Limited Magnetic disk, magnetic recording and reproducing method and magnetic disk unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413310A (en) * 1977-07-01 1979-01-31 Toshiba Corp Head positioning device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413310A (en) * 1977-07-01 1979-01-31 Toshiba Corp Head positioning device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5940237A (en) * 1994-07-29 1999-08-17 Fujitsu Limited Disk medium whose track density is changed in a radial direction and disk apparatus using the same disk medium
US5854715A (en) * 1994-11-17 1998-12-29 Fujitsu Limited Method for tracking a read head on a data area on a disk and disk apparatus using the method
US6437947B1 (en) 1997-03-17 2002-08-20 Fujitsu Limited Magnetic disk, magnetic recording and reproducing method and magnetic disk unit

Also Published As

Publication number Publication date
JPS6330708B2 (ja) 1988-06-20

Similar Documents

Publication Publication Date Title
JPS5577028A (en) Magnetic head
JPS6457413A (en) Thin film magnetic head
GB1164754A (en) Method of Manufacturing a Magnetic Head Device
JPS5661078A (en) Recording system for index information
JPS5718060A (en) Servo track write-in system
JPS5755548A (en) Magnetic disk device
EP0285452A3 (en) Magnetic disk apparatus using both servo-surface servo and data-surface servo
EP0351837A3 (en) Read/write head slider with medium access aperture
JPS6414776A (en) Method for processing defective sector in optical data recording/reproducing device
JPS53138314A (en) Magnetic recording system
JPS5347802A (en) Signal regenerator
JPS58165794U (ja) 光学式情報記憶媒体
JPS52123205A (en) Video-signal recording and reproducing system
JPS5712422A (en) Magnetic disk
JPS5373119A (en) Positioning system for magnetic disk apparatus
JPS57111833A (en) Optical disk device
JPS5380206A (en) Magnetic disk memory unit
JPS5369014A (en) Magnetic memory system
JPS6425320A (en) Optical disk high density recording and reproducing system
JPS6446215A (en) Magnetic disk device
JPS5730134A (en) Data writing system for magnetic tape
JPS6464154A (en) Magneto-optical disk device
JPS54143606A (en) Optical recorder-reproducer
JPS6482290A (en) Magnetic card recorder
JPS5369015A (en) Magnetic memory system