JPS57127971A - Forming method of sector signal - Google Patents

Forming method of sector signal

Info

Publication number
JPS57127971A
JPS57127971A JP1205181A JP1205181A JPS57127971A JP S57127971 A JPS57127971 A JP S57127971A JP 1205181 A JP1205181 A JP 1205181A JP 1205181 A JP1205181 A JP 1205181A JP S57127971 A JPS57127971 A JP S57127971A
Authority
JP
Japan
Prior art keywords
signal
written
pitch
signals
width
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
JP1205181A
Other languages
English (en)
Other versions
JPH0123875B2 (ja
Inventor
Masateru Sasaki
Takashi Aikawa
Etsuro Yamazaki
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 JP1205181A priority Critical patent/JPS57127971A/ja
Publication of JPS57127971A publication Critical patent/JPS57127971A/ja
Publication of JPH0123875B2 publication Critical patent/JPH0123875B2/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
    • G11B5/48—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

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP1205181A 1981-01-29 1981-01-29 Forming method of sector signal Granted JPS57127971A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1205181A JPS57127971A (en) 1981-01-29 1981-01-29 Forming method of sector signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1205181A JPS57127971A (en) 1981-01-29 1981-01-29 Forming method of sector signal

Publications (2)

Publication Number Publication Date
JPS57127971A true JPS57127971A (en) 1982-08-09
JPH0123875B2 JPH0123875B2 (ja) 1989-05-09

Family

ID=11794792

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1205181A Granted JPS57127971A (en) 1981-01-29 1981-01-29 Forming method of sector signal

Country Status (1)

Country Link
JP (1) JPS57127971A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61214285A (ja) * 1985-03-20 1986-09-24 Toshiba Corp サ−ボパタ−ン形成方法
JPS62114117A (ja) * 1985-11-14 1987-05-25 Teac Co 磁気デイスク
US4737869A (en) * 1985-03-20 1988-04-12 Kabushiki Kaisha Toshiba Magnetic disk having data area and index servo area and servo system for positioning read/write head on magnetic disk
JPH0540926A (ja) * 1991-12-06 1993-02-19 Teac Corp 磁気デイスクに対する信号記録方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61214285A (ja) * 1985-03-20 1986-09-24 Toshiba Corp サ−ボパタ−ン形成方法
US4737869A (en) * 1985-03-20 1988-04-12 Kabushiki Kaisha Toshiba Magnetic disk having data area and index servo area and servo system for positioning read/write head on magnetic disk
JPS62114117A (ja) * 1985-11-14 1987-05-25 Teac Co 磁気デイスク
JPH0540926A (ja) * 1991-12-06 1993-02-19 Teac Corp 磁気デイスクに対する信号記録方法

Also Published As

Publication number Publication date
JPH0123875B2 (ja) 1989-05-09

Similar Documents

Publication Publication Date Title
AU564397B2 (en) Helical scan tracking control
JPS57117106A (en) Optical magnetic recording and reproducing method
JPS55125530A (en) Magnetic recorder/reproducer
EP0183412A3 (en) Apparatus for recording and reproducing data on a magnetic recording medium
JPS5363002A (en) Signal recording system and disk type medium for recording signal
JPS5369006A (en) Reproducer of disc form signal recording media
CA2030885A1 (en) Analog/digital compatible reproducing system
JPS57127971A (en) Forming method of sector signal
JPS55113175A (en) Information signal recording medium and its recording system
JPS52129221A (en) Magnetic reproducing unit
JPS6457409A (en) Floppy disk device
JPS53149308A (en) Recorder-reproducer of digital signals
GB1478179A (en) Magnetic erasing heads
JPS5362509A (en) Recording-reproducing method for rotary magnetic disk
JPS52123205A (en) Video-signal recording and reproducing system
JPS5567912A (en) Magnetic recording and reproducing method
JPS5794952A (en) Recording and reproduction system for control signal of rotary magnetic head type vtr equipped with fixed magnetic head for overall-width erasure
JPS573229A (en) Copying and recording system
EP0216293A3 (en) Process for recording a signal on a magnetic tape
JPS54135520A (en) Magnetic disc apparatus
GB1478340A (en) Apparatus for multiple track recording
JPS5298511A (en) Multichannel magnetic head
JPS56143509A (en) Recording method for multichannel voice pcm signal
JPS52120806A (en) Recording and reproducing apparatus
JPS6446211A (en) Magnetic head