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FR1314126A - Mémoire magnétique à accès assuré au hasard - Google Patents

Mémoire magnétique à accès assuré au hasard

Info

Publication number
FR1314126A
FR1314126A FR884380A FR884380A FR1314126A FR 1314126 A FR1314126 A FR 1314126A FR 884380 A FR884380 A FR 884380A FR 884380 A FR884380 A FR 884380A FR 1314126 A FR1314126 A FR 1314126A
Authority
FR
France
Prior art keywords
random access
magnetic memory
access magnetic
memory
random
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
FR884380A
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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
Priority claimed from GB1225/61A external-priority patent/GB1005300A/en
Application filed by Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to FR884380A priority Critical patent/FR1314126A/fr
Application granted granted Critical
Publication of FR1314126A publication Critical patent/FR1314126A/fr
Expired legal-status Critical Current

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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • G11B5/825—Disk carriers flexible discs
    • 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
    • G11B23/0014—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 record carriers not specifically of filamentary or web form
    • G11B23/0021—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 record carriers not specifically of filamentary or web form discs
    • G11B23/0028—Details
    • G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
    • 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
FR884380A 1961-01-11 1962-01-10 Mémoire magnétique à accès assuré au hasard Expired FR1314126A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR884380A FR1314126A (fr) 1961-01-11 1962-01-10 Mémoire magnétique à accès assuré au hasard

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1225/61A GB1005300A (en) 1961-01-11 1961-01-11 Multi-disc type random-access store
FR884380A FR1314126A (fr) 1961-01-11 1962-01-10 Mémoire magnétique à accès assuré au hasard

Publications (1)

Publication Number Publication Date
FR1314126A true FR1314126A (fr) 1963-01-04

Family

ID=26193873

Family Applications (1)

Application Number Title Priority Date Filing Date
FR884380A Expired FR1314126A (fr) 1961-01-11 1962-01-10 Mémoire magnétique à accès assuré au hasard

Country Status (1)

Country Link
FR (1) FR1314126A (fr)

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