JPS5835769A - 磁気デイスク装置 - Google Patents

磁気デイスク装置

Info

Publication number
JPS5835769A
JPS5835769A JP56131501A JP13150181A JPS5835769A JP S5835769 A JPS5835769 A JP S5835769A JP 56131501 A JP56131501 A JP 56131501A JP 13150181 A JP13150181 A JP 13150181A JP S5835769 A JPS5835769 A JP S5835769A
Authority
JP
Japan
Prior art keywords
track
head
servo
data
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
JP56131501A
Other languages
English (en)
Japanese (ja)
Inventor
Tadashi Saito
斉藤　規
Shigemitsu Higuchi
重光 樋口
Toru Sanbe
徹 三瓶
Kenji Hayashi
林　謙二
Kazutoshi Konno
紺野　一俊
Manabu Wakabayashi
学 若林
Yoshihiko Noro
良彦 野呂
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56131501A priority Critical patent/JPS5835769A/ja
Priority to US06/407,080 priority patent/US4551777A/en
Priority to DE19823231248 priority patent/DE3231248A1/de
Publication of JPS5835769A publication Critical patent/JPS5835769A/ja
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
    • G11B5/54—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 into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • 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
    • G11B5/59633—Servo formatting

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
JP56131501A 1981-08-24 1981-08-24 磁気デイスク装置 Pending JPS5835769A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56131501A JPS5835769A (ja) 1981-08-24 1981-08-24 磁気デイスク装置
US06/407,080 US4551777A (en) 1981-08-24 1982-08-11 Tracking servo system for magnetic recording and reproducing apparatus using flexible magnetic disk
DE19823231248 DE3231248A1 (de) 1981-08-24 1982-08-23 Nachlaufservosystem fuer magnetische, flexible magnetplatten verwendende aufzeichnungs- und wiedergabegeraete

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56131501A JPS5835769A (ja) 1981-08-24 1981-08-24 磁気デイスク装置

Publications (1)

Publication Number Publication Date
JPS5835769A true JPS5835769A (ja) 1983-03-02

Family

ID=15059486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56131501A Pending JPS5835769A (ja) 1981-08-24 1981-08-24 磁気デイスク装置

Country Status (3)

Country Link
US (1) US4551777A (US07655688-20100202-C00086.png)
JP (1) JPS5835769A (US07655688-20100202-C00086.png)
DE (1) DE3231248A1 (US07655688-20100202-C00086.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7359133B2 (en) 2001-06-15 2008-04-15 Fujifilm Corporation Magnetic recording medium and drive apparatus therefor

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513333A (en) * 1982-02-24 1985-04-23 Dymek Corporation Diagnostic recording
JPS59112406A (ja) * 1982-12-17 1984-06-28 Sony Corp Ｐｃｍ信号の記録再生方法
JPS60163214A (ja) * 1984-02-03 1985-08-26 Canon Electronics Inc 磁気ヘツド及びその製造方法
DE3714986A1 (de) * 1987-05-06 1988-11-17 Thomson Brandt Gmbh Recorder mit spurfuehrung
US5001579A (en) * 1988-05-27 1991-03-19 Eastman Kodak Company Method and apparatus for centering a transducer over a recorded track on a rotary storage medium
US5245487A (en) * 1989-01-27 1993-09-14 International Business Machines Corporation Transducer head for rigid disk drive
US5285331A (en) * 1989-02-23 1994-02-08 Wangtek Incorporated System for aligning a read head gap over a track of magnetic data
US5568331A (en) * 1989-10-27 1996-10-22 Hitachi, Ltd. Method of head positioning and magnetic recording disk drive using the same
US6028731A (en) * 1996-03-29 2000-02-22 Bond; Charles R. Method and system for providing servo signals to a magnetic head positioning system of disk drive
US5966264A (en) * 1997-08-07 1999-10-12 International Business Machines Cororation Two frequency servo PES pattern
US6025970A (en) * 1997-08-07 2000-02-15 International Business Machines Corporation Digital demodulation of a complementary two-frequency servo PES pattern
CN1204546C (zh) * 1999-06-28 2005-06-01 松下电器产业株式会社 磁带录像机
JP2003115177A (ja) * 2001-10-02 2003-04-18 Mitsumi Electric Co Ltd フレキシブルディスクドライブ制御方法
JP3776797B2 (ja) * 2001-12-28 2006-05-17 株式会社東芝 磁気記録再生装置
US7499235B2 (en) * 2005-03-18 2009-03-03 Quantum Corporation Auto-servo tape system and associated recording head
US7760465B2 (en) * 2005-10-25 2010-07-20 International Business Machines Corporation Magnetic head having selectively defined reader gap thicknesses
US7826169B2 (en) 2007-04-25 2010-11-02 Quantum Corporation Servo error detection and compensation utilizing virtual data tracking servo methods
GB2518677A (en) * 2013-09-30 2015-04-01 Ibm Tape storage medium

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3263031A (en) * 1962-05-29 1966-07-26 Sperry Rand Corp High-low frequency homing
US3292168A (en) * 1962-08-13 1966-12-13 Sperry Rand Corp High resolution, head positioner system
US3491347A (en) * 1967-03-20 1970-01-20 North American Rockwell Servo system for positioning transducers at track locations
US3691543A (en) * 1971-02-08 1972-09-12 Ibm Positioning system including servo track configuration and associated demodulator
JPS5620622B2 (US07655688-20100202-C00086.png) * 1972-12-14 1981-05-14
CA1067997A (en) * 1974-07-15 1979-12-11 Jacob De Boer Servo system for controlling the position of a reading head
DE2439546A1 (de) * 1974-08-17 1976-02-26 Basf Ag Spurlageregelung bei magnetodynamischen speichern sowie magnetogrammtraeger dafuer
FR2299694A1 (fr) * 1975-01-31 1976-08-27 Ibm Dispositif d'acces aux pistes d'un milieu d'enregistrement tel qu'un disque magnetique
US4007493A (en) * 1975-05-06 1977-02-08 Burroughs Corporation Track positioning system for magnetic transducer head
NL7702815A (nl) * 1977-03-16 1978-09-19 Philips Nv Werkwijze voor het regelen van de positie van een schrijf- respektievelijk leeskop en een inrichting voor het uitvoeren van de werkwijze.
US4164781A (en) * 1978-04-11 1979-08-14 Decitek Track servoing system using signals from tunnel erase heads
JPS5564622A (en) * 1978-11-06 1980-05-15 Fujitsu Ltd Magnetic head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7359133B2 (en) 2001-06-15 2008-04-15 Fujifilm Corporation Magnetic recording medium and drive apparatus therefor

Also Published As

Publication number Publication date
US4551777A (en) 1985-11-05
DE3231248A1 (de) 1983-03-10
DE3231248C2 (US07655688-20100202-C00086.png) 1987-10-08

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