IT1071478B - Dispositivo per prosizionare il braccio di accesso della testina magnetica di una memoria a dischi - Google Patents

Dispositivo per prosizionare il braccio di accesso della testina magnetica di una memoria a dischi

Info

Publication number
IT1071478B
IT1071478B IT29530/76A IT2953076A IT1071478B IT 1071478 B IT1071478 B IT 1071478B IT 29530/76 A IT29530/76 A IT 29530/76A IT 2953076 A IT2953076 A IT 2953076A IT 1071478 B IT1071478 B IT 1071478B
Authority
IT
Italy
Prior art keywords
projecting
magnetic head
disk memory
access arm
arm
Prior art date
Application number
IT29530/76A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1071478B publication Critical patent/IT1071478B/it

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
IT29530/76A 1975-12-23 1976-11-19 Dispositivo per prosizionare il braccio di accesso della testina magnetica di una memoria a dischi IT1071478B (it)

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
IT1071478B true IT1071478B (it) 1985-04-10

Family

ID=5965450

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29530/76A IT1071478B (it) 1975-12-23 1976-11-19 Dispositivo per prosizionare il braccio di accesso della testina magnetica di una memoria a dischi

Country Status (10)

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

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
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
US4688119A (en) * 1985-11-20 1987-08-18 Xebec Development Partners, Ltd. Detection and amplification circuit
US5095393A (en) * 1985-11-20 1992-03-10 Seagate Technology, Inc. Tri-phase servo pattern for providing positioning information in a magnetic disk drive
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
US4912576A (en) * 1985-11-20 1990-03-27 Magnetic Peripherals Inc. Method for writing a servo pattern
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
BE847987A (fr) 1977-03-01
NL7614187A (nl) 1977-06-27
FR2336760B1 (it) 1978-12-15
CA1066410A (en) 1979-11-13
GB1566290A (en) 1980-04-30
DE2558359A1 (de) 1977-07-07
US4087843A (en) 1978-05-02
BR7608681A (pt) 1978-01-03
FR2336760A1 (fr) 1977-07-22
JPS5280814A (en) 1977-07-06

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