FR1260010A - Système d'emmagasinage de données - Google Patents
Système d'emmagasinage de donnéesInfo
- 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
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
-
- 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
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)
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)
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 |
-
1958
- 1958-11-24 US US776051A patent/US3034111A/en not_active Expired - Lifetime
-
1959
- 1959-11-23 FR FR810956A patent/FR1260010A/fr not_active Expired
- 1959-11-24 GB GB39930/59A patent/GB921161A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB921161A (en) | 1963-03-13 |
US3034111A (en) | 1962-05-08 |
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