BE847987A - Dispositif de positionnement pour le bras d'acces de la tete magnetique d'une memoire a disques magnetiques, - Google Patents

Dispositif de positionnement pour le bras d'acces de la tete magnetique d'une memoire a disques magnetiques,

Info

Publication number
BE847987A
BE847987A BE172082A BE172082A BE847987A BE 847987 A BE847987 A BE 847987A BE 172082 A BE172082 A BE 172082A BE 172082 A BE172082 A BE 172082A BE 847987 A BE847987 A BE 847987A
Authority
BE
Belgium
Prior art keywords
positioning device
magnetic
disc memory
access arm
magnetic head
Prior art date
Application number
BE172082A
Other languages
English (en)
French (fr)
Inventor
H Louis
A Matla
K H Schaller
V Zimmermann
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 filed Critical
Publication of BE847987A publication Critical patent/BE847987A/xx

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
    • G11B5/59633—Servo formatting
    • G11B5/59655—Sector, sample or burst servo format
BE172082A 1975-12-23 1976-11-04 Dispositif de positionnement pour le bras d'acces de la tete magnetique d'une memoire a disques magnetiques, BE847987A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752558359 DE2558359A1 (de) 1975-12-23 1975-12-23 Einstellvorrichtung fuer den zugriffsarm des magnetkopfes eines magnetplattenspeichers

Publications (1)

Publication Number Publication Date
BE847987A true BE847987A (fr) 1977-03-01

Family

ID=5965450

Family Applications (1)

Application Number Title Priority Date Filing Date
BE172082A BE847987A (fr) 1975-12-23 1976-11-04 Dispositif de positionnement pour le bras d'acces de la tete magnetique d'une memoire a disques magnetiques,

Country Status (10)

Country Link
US (1) US4087843A (nl)
JP (1) JPS5280814A (nl)
BE (1) BE847987A (nl)
BR (1) BR7608681A (nl)
CA (1) CA1066410A (nl)
DE (1) DE2558359A1 (nl)
FR (1) FR2336760A1 (nl)
GB (1) GB1566290A (nl)
IT (1) IT1071478B (nl)
NL (1) NL7614187A (nl)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2759066A1 (de) * 1977-12-30 1979-07-12 Ibm Deutschland Einrichtung fuer die regelung der magnetkopfposition waehrend der spurauswahl und der spurfolge des magnetkopfes eines magnetplattenspeichers
US4188646A (en) * 1978-05-30 1980-02-12 Sperry Rand Corporation Sectorized data path following servo system
BR8101049A (pt) * 1980-02-22 1981-08-25 Northern Telecom Inc Sistema servo para posicionar um transdutor de leitura, meio de gravacao para uso no dito sistema, e processo para posicionar um transdutor de leitura/gravacao
US4383209A (en) * 1980-10-15 1983-05-10 Minnesota Mining And Manufacturing Company Control system for transducer positioning motor
US4405956A (en) * 1981-04-22 1983-09-20 Xerox Corporation Tracking apparatus for read/write head
JPS5862870A (ja) * 1981-10-12 1983-04-14 Toshiba Corp 磁気ディスク装置
US4414589A (en) * 1981-12-14 1983-11-08 Northern Telecom Inc. Embedded servo track following system and method for writing servo tracks
EP0097209B1 (en) * 1982-06-18 1987-11-04 International Business Machines Corporation Magnetizable recording disk and disk file employing servo sector head positioning
JPS59223939A (ja) * 1983-06-02 1984-12-15 Victor Co Of Japan Ltd 円盤状磁気記録媒体の配向処理装置
US4549232A (en) * 1983-06-27 1985-10-22 International Business Machines Corporation Phase modulated servo system
US4656538A (en) * 1985-11-14 1987-04-07 Xebec Development Partners, Ltd. Disk drive control system
US4688119A (en) * 1985-11-20 1987-08-18 Xebec Development Partners, Ltd. Detection and amplification circuit
US4912576A (en) * 1985-11-20 1990-03-27 Magnetic Peripherals Inc. Method for writing a servo pattern
US4864434A (en) * 1985-11-20 1989-09-05 Magnetic Peripherals Inc. Method for writing a tri-phase servo pattern which provides information for positioning the transducers of a magnetic storage device
US4811135A (en) * 1985-11-20 1989-03-07 Magnetic Peripherals Inc. Tri-phase servo pattern for providing information for positioning the transducers of a magnetic disk storage drive
US5095393A (en) * 1985-11-20 1992-03-10 Seagate Technology, Inc. Tri-phase servo pattern for providing positioning information in a magnetic disk drive
US4954906A (en) * 1986-03-04 1990-09-04 Seiko Epson Corporation Position control system for a magnetic storage device using a small sized disk
US4935828A (en) * 1988-06-30 1990-06-19 Wang Laboratories, Inc. Seek multitasking disk controller
US5170299A (en) * 1990-08-17 1992-12-08 Quantum Corporation Edge servo for disk drive head positioner
US5400201A (en) * 1993-10-25 1995-03-21 Syquest Technology, Inc. Servo burst pattern for removing offset caused by magnetic distortion and method associated therewith
US5523903A (en) * 1993-12-23 1996-06-04 International Business Machines Corporation Sector architecture for fixed block disk drive
JP2008276875A (ja) * 2007-04-27 2008-11-13 Fujitsu Ltd 磁気ディスク装置によるデータの書き込み方法、オフトラックマージン設定方法、磁気ディスク装置、および、オフトラックマージン設定装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3034111A (en) * 1958-11-24 1962-05-08 Ibm Data storage system
US3534344A (en) * 1967-12-21 1970-10-13 Ibm Method and apparatus for recording and detecting information
US3812533A (en) * 1972-12-22 1974-05-21 Vermont Res Corp Information storage unit transducer positioning system
US3924268A (en) * 1974-08-05 1975-12-02 Ibm High density track follower control system for magnetic disk file
US3994016A (en) * 1975-03-31 1976-11-23 Honeywell Information Systems, Inc. Head positioning servo system for disk drives
US4027338A (en) * 1975-04-28 1977-05-31 Burroughs Corporation Transducer positioning system for providing coarse positioning

Also Published As

Publication number Publication date
CA1066410A (en) 1979-11-13
BR7608681A (pt) 1978-01-03
GB1566290A (en) 1980-04-30
US4087843A (en) 1978-05-02
NL7614187A (nl) 1977-06-27
DE2558359A1 (de) 1977-07-07
FR2336760B1 (nl) 1978-12-15
IT1071478B (it) 1985-04-10
JPS5280814A (en) 1977-07-06
FR2336760A1 (fr) 1977-07-22

Similar Documents

Publication Publication Date Title
BE847987A (fr) Dispositif de positionnement pour le bras d'acces de la tete magnetique d'une memoire a disques magnetiques,
BE845349A (fr) Dispositif pour la lecture d'un disque porte-information
FR2326003A1 (fr) Support d'enregistrement magnetique a disque, antistatique
FR2336736A1 (fr) Technique d'adressage d'une memoire de controleur de dispositif
FR2317732A1 (fr) Appareil de memoire d'informations a disques magnetiques
FR2474225B1 (fr) Dispositif de support pour tete magnetique
BE857756A (fr) Dispositif pour rapprocher et ecarter par pivotement un support d'enregistrement et un support intermediaire
FR2325992A1 (fr) Dispositif d'autorisation d'acces a cartes magnetiques
FR2337045A1 (fr) Dispositif pour determiner la position angulaire d'un organe tournant, par exemple d'une tete d'ecriture de machine de bureau
FR2312901A1 (fr) Dispositif d'asservissement pour magnetoscope
FR2304136A1 (fr) Dispositif de calage pour disques rotatifs portant de l'information
FR2279192A1 (fr) Dispositif a tete rotative pour la lecture/ecriture d'informations magnetiques
BE784312A (fr) Support d'enregistrement magnetique
BE746032A (fr) Dispositif d'asservissement pour enregistreur magnetique
BE842407A (fr) Dispositif pour la lecture d'un porte-enregistrement
BE835900A (fr) Dispositif palpeur dynamoelectrique pour le controles des mouvements d'objets filiformes
FR2506054B1 (fr) Tete magnetique pour dispositif d'enregistrement
FR2322614A1 (fr) Dispositif d'acces au sang pour une ligne de sang extra-corporelle
FR2325962A1 (fr) Procede pour l'enregistrement d'informations
FR2363946B2 (fr) Dispositif pour enregistrer des objets
FR2311356A1 (fr) Calculateur pour l'execution d'instructions de donnees
FR2295521A1 (fr) Dispositif d'entrainement lineaire, notamment pour memoire a disque
FR2315145A1 (fr) Systemes d'asservissement pour memoire a disques magnetiques
FR2345189A1 (fr) Dispositif d'etancheite pour dialyseur a serpentin
FR2304984A1 (fr) Dispositif de positionnement de tete magnetique pour machine a dicter a disque