IT1031238B - Dispositivo magnetico di memoria formato da un sottile di sco flessibile - Google Patents

Dispositivo magnetico di memoria formato da un sottile di sco flessibile

Info

Publication number
IT1031238B
IT1031238B IT19690/75A IT1969075A IT1031238B IT 1031238 B IT1031238 B IT 1031238B IT 19690/75 A IT19690/75 A IT 19690/75A IT 1969075 A IT1969075 A IT 1969075A IT 1031238 B IT1031238 B IT 1031238B
Authority
IT
Italy
Prior art keywords
sco
memory device
magnetic memory
device formed
thin flexible
Prior art date
Application number
IT19690/75A
Other languages
English (en)
Italian (it)
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 IT1031238B publication Critical patent/IT1031238B/it

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
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/032—Positioning by moving the door or the cover
    • 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
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
    • 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
    • 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
IT19690/75A 1974-03-01 1975-01-29 Dispositivo magnetico di memoria formato da un sottile di sco flessibile IT1031238B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US447454A US3879757A (en) 1974-03-01 1974-03-01 Data storage mechanism having a flexible magnetic disk

Publications (1)

Publication Number Publication Date
IT1031238B true IT1031238B (it) 1979-04-30

Family

ID=23776440

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19690/75A IT1031238B (it) 1974-03-01 1975-01-29 Dispositivo magnetico di memoria formato da un sottile di sco flessibile

Country Status (7)

Country Link
US (1) US3879757A (US06534493-20030318-C00184.png)
JP (1) JPS5324807B2 (US06534493-20030318-C00184.png)
CA (1) CA1043010A (US06534493-20030318-C00184.png)
DE (1) DE2502418C2 (US06534493-20030318-C00184.png)
FR (1) FR2262847B1 (US06534493-20030318-C00184.png)
GB (1) GB1466809A (US06534493-20030318-C00184.png)
IT (1) IT1031238B (US06534493-20030318-C00184.png)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136369A (en) * 1973-11-23 1979-01-23 Sycor, Inc. Disc recorder with lead screw drive
US4001888A (en) * 1973-11-23 1977-01-04 Sycor, Inc. Flexible disc recorder construction
US4012791A (en) * 1974-10-24 1977-03-15 Pertec Computer Corporation Disk drive apparatus
US3975774A (en) * 1974-12-04 1976-08-17 Sycor, Inc. Method and apparatus for loading flexible magnetic recording discs to transducing heads
FR2309012A1 (fr) * 1975-04-21 1976-11-19 Ibm Memoire a disque magnetique flexible
JPS529403A (en) * 1975-07-14 1977-01-25 Yoshiro Nakamatsu Bulge recording disc used for electronic computer and so on
USD245125S (en) * 1976-06-01 1977-07-19 Chou Albert S Flexible magnetic disc cartridge
US4058846A (en) * 1976-06-21 1977-11-15 International Business Machines Corporation Grounded transducer for magnetic record disks
US4151573A (en) * 1977-06-13 1979-04-24 Tandon Magnetics Corp. Magnetic recording device for double sided media
JPS5827409Y2 (ja) * 1977-10-13 1983-06-14 日本コロムビア株式会社 磁気デイスク記録再生装置
JPS5827410Y2 (ja) * 1977-10-13 1983-06-14 日本コロムビア株式会社 磁気デイスク記録再生装置
JPS5460908A (en) * 1977-10-24 1979-05-16 Mitsubishi Electric Corp Both side type flexible disc apparatus
JPS54149813U (US06534493-20030318-C00184.png) * 1978-04-10 1979-10-18
DE2905836C2 (de) * 1979-02-15 1987-05-14 Peter 8000 München Schlüter Vorrichtung zur Steuerung des Zugriffs und der Bewegung eines Schreib-Lese-Kopfes
GB2060979B (en) * 1979-10-12 1983-10-26 Digital Equipment Corp Magnetic disc data storage apparatus
US4308564A (en) * 1979-11-26 1981-12-29 Xerox Corporation Head load/unload mechanism for rotating magnetic memories
GB2093254B (en) * 1980-12-31 1985-07-03 Sony Corp Apparatus for driving flexible discs
US4602306A (en) * 1981-10-30 1986-07-22 Teac Corporation Recorder/reproducer apparatus with a disc-shaped record medium
US4466033A (en) * 1982-02-24 1984-08-14 Apple Computer, Inc. Disk drive with automatic disc clamping and ejecting
US4571645A (en) * 1982-07-29 1986-02-18 Ixi Laboratories, Inc. Horizontal flexible disk loading and sorting/collating mechanism
US4611257A (en) * 1983-08-18 1986-09-09 Teac Corporation Vibration controlled data transfer apparatus with a double sided flexible magnetic disk
JPS6148459U (US06534493-20030318-C00184.png) * 1984-09-03 1986-04-01
JP2566924B2 (ja) * 1986-07-14 1996-12-25 キヤノン株式会社 光磁気記録装置
US4928192A (en) * 1987-12-23 1990-05-22 Konica Corporation Process for identifying disks and automatically configuring a disk drive system
US4887176A (en) * 1988-08-03 1989-12-12 Eastman Kodak Company Double-sided magnetic recording device supporting two transducers in fixed relation
JPH02126463A (ja) * 1988-11-04 1990-05-15 Toshiba Corp 磁気ディスク装置
JP2587162B2 (ja) * 1992-01-22 1997-03-05 富士通株式会社 磁気ディスク装置のヘッドアーム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3343133A (en) * 1963-08-09 1967-09-19 Dirks Gerhard Data handling system
US3678481A (en) * 1970-03-13 1972-07-18 Ibm Data storage apparatus employing a single magnetic disk
US3703713A (en) * 1971-09-24 1972-11-21 Univ Iowa State Res Found Variable diameter disc pack with cooperating head
US3731292A (en) * 1971-09-27 1973-05-01 Arvin Ind Inc Finger between flexible disc and backing plate

Also Published As

Publication number Publication date
FR2262847B1 (US06534493-20030318-C00184.png) 1976-12-31
CA1043010A (en) 1978-11-21
JPS5324807B2 (US06534493-20030318-C00184.png) 1978-07-22
FR2262847A1 (US06534493-20030318-C00184.png) 1975-09-26
JPS50120807A (US06534493-20030318-C00184.png) 1975-09-22
DE2502418C2 (de) 1983-03-31
DE2502418A1 (de) 1975-09-04
US3879757A (en) 1975-04-22
GB1466809A (en) 1977-03-09

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