JPS6249665B2 - - Google Patents

Info

Publication number
JPS6249665B2
JPS6249665B2 JP18025780A JP18025780A JPS6249665B2 JP S6249665 B2 JPS6249665 B2 JP S6249665B2 JP 18025780 A JP18025780 A JP 18025780A JP 18025780 A JP18025780 A JP 18025780A JP S6249665 B2 JPS6249665 B2 JP S6249665B2
Authority
JP
Japan
Prior art keywords
signal
pulse
track
servo
head
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.)
Expired
Application number
JP18025780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57105870A (en
Inventor
Masateru Sasaki
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 JP18025780A priority Critical patent/JPS57105870A/ja
Publication of JPS57105870A publication Critical patent/JPS57105870A/ja
Publication of JPS6249665B2 publication Critical patent/JPS6249665B2/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

  • Control Of Position Or Direction (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP18025780A 1980-12-19 1980-12-19 Detecting system for head position signal Granted JPS57105870A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18025780A JPS57105870A (en) 1980-12-19 1980-12-19 Detecting system for head position signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18025780A JPS57105870A (en) 1980-12-19 1980-12-19 Detecting system for head position signal

Publications (2)

Publication Number Publication Date
JPS57105870A JPS57105870A (en) 1982-07-01
JPS6249665B2 true JPS6249665B2 (enrdf_load_stackoverflow) 1987-10-20

Family

ID=16080091

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18025780A Granted JPS57105870A (en) 1980-12-19 1980-12-19 Detecting system for head position signal

Country Status (1)

Country Link
JP (1) JPS57105870A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0814949B2 (ja) * 1985-11-29 1996-02-14 三菱電機株式会社 磁気デイスク装置
US5245487A (en) * 1989-01-27 1993-09-14 International Business Machines Corporation Transducer head for rigid disk drive
JP2559974B2 (ja) * 1992-07-06 1996-12-04 インターナショナル・ビジネス・マシーンズ・コーポレイション 直接アクセス記憶装置、ディスクドライブおよびトラックの位置を見い出し追従する方法
JP2713259B2 (ja) * 1995-08-22 1998-02-16 日本電気株式会社 トラックピッチ変動の打ち消しが可能な磁気ディスク装置

Also Published As

Publication number Publication date
JPS57105870A (en) 1982-07-01

Similar Documents

Publication Publication Date Title
US4912576A (en) Method for writing a servo pattern
US4549232A (en) Phase modulated servo system
US5453887A (en) Head tracking servo pattern
EP0094314B1 (en) Continuous-plus-embedded servo data position control system for magnetic disk device
US4737869A (en) Magnetic disk having data area and index servo area and servo system for positioning read/write head on magnetic disk
JPS58112B2 (ja) デ−タ記憶装置
JPH0136190B2 (enrdf_load_stackoverflow)
JPH03207010A (ja) トラック位置シンコペーションの相殺が可能なディスクドライブ
US4400747A (en) Servo system for data storage apparatus
JPH0150031B2 (enrdf_load_stackoverflow)
US5815338A (en) Apparatus and method of detecting head position error in magnetic disk drive
JPS6120945B2 (enrdf_load_stackoverflow)
US5109307A (en) Continuous-plus-embedded servo data position control system for magnetic disk device
US5153787A (en) Combination embedded and dedicated servo system including embedded servo waiting
JPS6249665B2 (enrdf_load_stackoverflow)
JP3099133B2 (ja) サ−ボデ−タの形成方法
JPH0123874B2 (enrdf_load_stackoverflow)
JP3277380B2 (ja) 磁気ディスク装置のアドレスパターン
JPH03116405A (ja) 回転ヘッド型再生装置
US5305156A (en) Digital data storage apparatus comprising circuit for reducing read errors
JPH07141782A (ja) 光ディスク及びその記録情報再生装置
JP2636681B2 (ja) 磁気ディスク装置用の位置信号生成方法およびその装置
JPH03280275A (ja) 磁気記録再生装置
JPH04364277A (ja) 磁気ディスク装置のオフセット検出方式
JPS6029922A (ja) 位置誤差信号形成方法