FR1260010A - Système d'emmagasinage de données - Google Patents

Système d'emmagasinage de données

Info

Publication number
FR1260010A
FR1260010A FR810956A FR810956A FR1260010A FR 1260010 A FR1260010 A FR 1260010A FR 810956 A FR810956 A FR 810956A FR 810956 A FR810956 A FR 810956A FR 1260010 A FR1260010 A FR 1260010A
Authority
FR
France
Prior art keywords
data storage
storage system
data
storage
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
FR810956A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1260010A publication Critical patent/FR1260010A/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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
    • G11B5/596Disposition 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
    • G11B5/59633Servo formatting
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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
    • G11B5/596Disposition 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
    • G11B5/59633Servo formatting
    • G11B5/59655Sector, sample or burst servo format
FR810956A 1958-11-24 1959-11-23 Système d'emmagasinage de données Expired FR1260010A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US776051A US3034111A (en) 1958-11-24 1958-11-24 Data storage system

Publications (1)

Publication Number Publication Date
FR1260010A true FR1260010A (fr) 1961-05-05

Family

ID=25106316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR810956A Expired FR1260010A (fr) 1958-11-24 1959-11-23 Système d'emmagasinage de données

Country Status (3)

Country Link
US (1) US3034111A (fr)
FR (1) FR1260010A (fr)
GB (1) GB921161A (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3156906A (en) * 1959-10-16 1964-11-10 Ibm Transducer positioning mechanism in a random access memory system
US3231869A (en) * 1960-04-12 1966-01-25 Gen Precision Inc Information storage and search system
US3212074A (en) * 1960-12-15 1965-10-12 Sperry Rand Corp Magnetic disc file positional information apparatus
US3185972A (en) * 1961-10-10 1965-05-25 Ibm Transducer positioning system utilizing record with interspersed data and positioning information
US3246307A (en) * 1962-05-22 1966-04-12 Ibm Servo positioning system for magnetic disk file
US3292168A (en) * 1962-08-13 1966-12-13 Sperry Rand Corp High resolution, head positioner system
US3298008A (en) * 1963-04-17 1967-01-10 Anelex Corp Coarse and fine head positioning apparatus for random access disc memory system
US3452358A (en) * 1963-05-03 1969-06-24 Westinghouse Electric Corp Magnetically encoded device
FR1509926A (fr) * 1966-03-21 1968-01-19 Saint Gobain Techn Nouvelles Circuit multiplicateur scalaire
US3482232A (en) * 1967-01-05 1969-12-02 North American Rockwell Transducer positioning member having hydrostatic bearing supports
US3737877A (en) * 1970-09-24 1973-06-05 Energy Conversion Devices Inc Data storage system with coarse and fine directing means
US3872241A (en) * 1973-07-12 1975-03-18 Zenith Radio Corp Video disc pickup with capacitive tracking
US3914791A (en) * 1974-01-28 1975-10-21 Vrc California Memory unit flying pad linkage
US4027338A (en) * 1975-04-28 1977-05-31 Burroughs Corporation Transducer positioning system for providing coarse positioning
US4032984A (en) * 1975-04-28 1977-06-28 Burroughs Corporation Transducer positioning system for providing both coarse and fine positioning
US4007493A (en) * 1975-05-06 1977-02-08 Burroughs Corporation Track positioning system for magnetic transducer head
GB1503971A (en) * 1975-05-15 1978-03-15 Ibm Positioning system for data storage apparatus
GB1474892A (en) * 1975-06-27 1977-05-25 Burroughs Corp Method and apparatus for recording and reproducing information on a plural-track record disc
DE2558359A1 (de) * 1975-12-23 1977-07-07 Ibm Deutschland Einstellvorrichtung fuer den zugriffsarm des magnetkopfes eines magnetplattenspeichers
NL7600470A (nl) * 1976-01-17 1977-07-19 Philips Nv Servosysteem voor het sturen van de positie van een magneetkop ten opzichte van een te volgen spoor.
US4920434A (en) * 1980-09-24 1990-04-24 Quantum Corporation Fixed disk drive
US4982296A (en) * 1980-09-24 1991-01-01 Quantum Corporation Head and disk assembly for fixed disk drive
US4516177A (en) * 1982-09-27 1985-05-07 Quantum Corporation Rotating rigid disk data storage device
US4701815A (en) * 1985-03-11 1987-10-20 Sony Corporation Tracking servo system for disc memory
US4942484A (en) * 1987-12-07 1990-07-17 Fujitsu America, Inc. Floppy disk drive with closed loop servoed high density read/write gap, and with low density read/write gap for the write updating of standard open loop formatted medium
DE69032626T2 (de) * 1989-01-11 1999-05-20 Hitachi Ltd Verfahren zum magnetischen Aufzeichnen und Wiedergeben von Daten, magnetischer Auzeichnungsträger, sein Herstellungsverfahren und Gerät zur magnetischen Aufzeichnung
EP0484774A3 (en) * 1990-11-09 1993-09-29 Insite Peripherals, Inc. Very high-density diskette format method and computer-implemented process
US5249085A (en) * 1991-10-07 1993-09-28 The United States Of America As Represented By The Secretary Of The Navy Recording system using multiplexed inputs to a multichannel recorder
US7259927B2 (en) * 2003-07-14 2007-08-21 Agere Systems, Inc. Method and apparatus for improving signal-to-noise ratio for hard disk drives
CN101253558A (zh) * 2005-07-13 2008-08-27 康斯坦丁诺斯·皮克 适于数字信息的存储装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729214A (en) * 1950-03-09 1956-01-03 American Mach & Foundry Detecting and control apparatus
BE514378A (fr) * 1951-09-24
US2797402A (en) * 1955-05-09 1957-06-25 Teleregister Corp Means for generating synchronizing pulses for magnetic storage devices

Also Published As

Publication number Publication date
GB921161A (en) 1963-03-13
US3034111A (en) 1962-05-08

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