IT1012897B - Sistema a dischi magnetici con pacchi a dischi multipli - Google Patents
Sistema a dischi magnetici con pacchi a dischi multipliInfo
- Publication number
- IT1012897B IT1012897B IT23276/74A IT2327674A IT1012897B IT 1012897 B IT1012897 B IT 1012897B IT 23276/74 A IT23276/74 A IT 23276/74A IT 2327674 A IT2327674 A IT 2327674A IT 1012897 B IT1012897 B IT 1012897B
- Authority
- IT
- Italy
- Prior art keywords
- packs
- disk
- magnetic disk
- magnetic
- disk system
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/038—Centering or locking of a plurality of discs in a single cartridge
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/032—Containers for flat record carriers for rigid discs
- G11B23/0323—Containers for flat record carriers for rigid discs for disc-packs
-
- 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
- G11B5/4806—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
- G11B5/4813—Mounting or aligning of arm assemblies, e.g. actuator arm supported by bearings, multiple arm assemblies, arm stacks or multiple heads on single arm
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US364950A US3864747A (en) | 1973-05-29 | 1973-05-29 | Multiple pack magnetic disk system |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1012897B true IT1012897B (it) | 1977-03-10 |
Family
ID=23436828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23276/74A IT1012897B (it) | 1973-05-29 | 1974-05-28 | Sistema a dischi magnetici con pacchi a dischi multipli |
Country Status (7)
Country | Link |
---|---|
US (1) | US3864747A (it) |
JP (3) | JPS5326962B2 (it) |
CA (1) | CA1101119A (it) |
DE (1) | DE2426155A1 (it) |
FR (1) | FR2232034B1 (it) |
GB (1) | GB1446246A (it) |
IT (1) | IT1012897B (it) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4019205A (en) * | 1974-09-16 | 1977-04-19 | Information Storage Systems, Inc. | Disc drive with rotary access mechanism |
US4164767A (en) * | 1977-03-04 | 1979-08-14 | Burroughs Corporation | Mass storage device |
DE2732432C2 (de) * | 1977-07-18 | 1988-05-05 | Nixdorf Computer Ag, 4790 Paderborn | Schwenkarm für einen Magnetplattenspeicher |
JPS6216698Y2 (it) * | 1980-09-01 | 1987-04-27 | ||
FR2518793B1 (fr) * | 1981-12-23 | 1988-02-12 | Cii Honeywell Bull | Cartouche pour disque(s) magnetique(s) amovible(s) |
JPS5972680A (ja) * | 1982-10-20 | 1984-04-24 | Hitachi Ltd | 磁気ディスク装置 |
US4620251A (en) * | 1983-05-13 | 1986-10-28 | Magnetic Peripherals Inc. | Magnetic transducer support structure |
DE3404231A1 (de) * | 1984-02-07 | 1985-08-08 | Siemens AG, 1000 Berlin und 8000 München | Positioniereinrichtung fuer einen magnetplattenspeicher |
EP0162614A3 (en) * | 1984-05-23 | 1988-03-30 | Seagate Technology | Improved rotary actuator for a disc drive |
US4843503A (en) * | 1987-12-17 | 1989-06-27 | Priam Corporation | Head arm damping device for disc drive actuators |
EP0394539A1 (de) * | 1989-04-28 | 1990-10-31 | Siemens Aktiengesellschaft | Temperaturunempfindliche spielfreie Lageranordnung für eine drehbewegliche Baueinheit |
JPH03113789A (ja) * | 1989-09-22 | 1991-05-15 | Asahi Optical Co Ltd | ディスク駆動装置 |
US5223993A (en) * | 1989-11-03 | 1993-06-29 | Conner Peripherals, Inc. | Multiple actuator disk drive |
US5850318A (en) * | 1995-06-06 | 1998-12-15 | Seagate Technology, Inc. | Slotless spindle motor for disc drive |
KR19990012980A (ko) * | 1997-07-31 | 1999-02-25 | 윤종용 | 하드 디스크 드라이브 |
US6115215A (en) * | 1998-02-24 | 2000-09-05 | Seagate Technology, Inc. | Balanced actuator which accesses separate disc assemblies |
US20060044663A1 (en) * | 2004-09-01 | 2006-03-02 | Stiles Enrique M | Hard disk drive with multiple spindles |
US7885037B2 (en) * | 2006-08-18 | 2011-02-08 | Oracle America, Inc. | Disk storage cartridge |
US9343107B2 (en) * | 2009-11-20 | 2016-05-17 | Seagate Technology Llc | Windage control in a dual spindle storage device having interleaved storage media |
US9025277B1 (en) | 2013-10-10 | 2015-05-05 | HGST Netherlands B.V. | Hard disk drive having multiple disk stacks on a rotatable platform |
US8958172B1 (en) * | 2013-10-17 | 2015-02-17 | HGST Netherlands B.V. | Multiple disk stack, single actuator hard disk drive |
US8958173B1 (en) | 2013-10-17 | 2015-02-17 | HGST Netherlands B.V. | Hard disk drive having multiple movable disk stacks on a guide rail |
US8824094B1 (en) | 2013-10-18 | 2014-09-02 | HGST Netherlands B.V. | Hard disk drive having multiple disk stacks and a movable head stack assembly |
US9218833B1 (en) | 2014-11-19 | 2015-12-22 | HGST Netherlands B.V. | Load/unload ramps for multiple disk-stack, shared actuator hard disk drive |
US9183862B1 (en) | 2014-11-19 | 2015-11-10 | HGST Netherlands B.V. | Load/unload ramps for multiple disk-stack, shared actuator hard disk drive |
US11062734B1 (en) * | 2020-04-02 | 2021-07-13 | Seagate Technology Llc | Multi-spindle and multi-actuator data storage devices |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3657712A (en) * | 1955-12-09 | 1972-04-18 | Dirks Computer Systems Corp | Storing device for signals |
US3080551A (en) * | 1956-12-24 | 1963-03-05 | Universal Controls Inc | Information recording apparatus |
FR1411890A (fr) * | 1963-08-14 | 1965-09-24 | Philips Nv | Dispositif à mémoire en forme de disque |
US3484760A (en) * | 1966-06-09 | 1969-12-16 | Control Data Corp | Disc file and actuator therefor |
US3553662A (en) * | 1967-09-08 | 1971-01-05 | Control Data Corp | Position sensing and control apparatus |
US3587073A (en) * | 1969-08-21 | 1971-06-22 | Ibm | Clamp for attaching magnetic disks to a hub |
US3703713A (en) * | 1971-09-24 | 1972-11-21 | Univ Iowa State Res Found | Variable diameter disc pack with cooperating head |
-
1973
- 1973-05-29 US US364950A patent/US3864747A/en not_active Expired - Lifetime
-
1974
- 1974-05-22 CA CA200,587A patent/CA1101119A/en not_active Expired
- 1974-05-28 FR FR7418413A patent/FR2232034B1/fr not_active Expired
- 1974-05-28 IT IT23276/74A patent/IT1012897B/it active
- 1974-05-28 JP JP5939274A patent/JPS5326962B2/ja not_active Expired
- 1974-05-29 GB GB2384274A patent/GB1446246A/en not_active Expired
- 1974-05-29 DE DE19742426155 patent/DE2426155A1/de not_active Withdrawn
- 1974-08-14 JP JP49092427A patent/JPS50112012A/ja active Pending
-
1978
- 1978-06-30 JP JP1978089430U patent/JPS5441219U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2426155A1 (de) | 1974-12-19 |
CA1101119A (en) | 1981-05-12 |
US3864747A (en) | 1975-02-04 |
JPS5441219U (it) | 1979-03-19 |
GB1446246A (en) | 1976-08-18 |
FR2232034A1 (it) | 1974-12-27 |
JPS5326962B2 (it) | 1978-08-05 |
FR2232034B1 (it) | 1979-09-28 |
JPS5028814A (it) | 1975-03-24 |
JPS50112012A (it) | 1975-09-03 |
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