FR1516443A - Mémoire permanente - Google Patents

Mémoire permanente

Info

Publication number
FR1516443A
FR1516443A FR8387A FR06008387A FR1516443A FR 1516443 A FR1516443 A FR 1516443A FR 8387 A FR8387 A FR 8387A FR 06008387 A FR06008387 A FR 06008387A FR 1516443 A FR1516443 A FR 1516443A
Authority
FR
France
Prior art keywords
permanent memory
permanent
memory
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
FR8387A
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 FR1516443A publication Critical patent/FR1516443A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/005—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards with a storage element common to a large number of data, e.g. perforated card
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/048—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using other optical storage elements
FR8387A 1966-04-29 1967-03-01 Mémoire permanente Expired FR1516443A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54633466A 1966-04-29 1966-04-29

Publications (1)

Publication Number Publication Date
FR1516443A true FR1516443A (fr) 1968-03-08

Family

ID=24179945

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8387A Expired FR1516443A (fr) 1966-04-29 1967-03-01 Mémoire permanente

Country Status (3)

Country Link
US (1) US3466615A (fr)
FR (1) FR1516443A (fr)
GB (1) GB1110887A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3846660A (en) * 1969-08-06 1974-11-05 Gen Electric Electron beam generating system with collimated focusing means

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226696A (en) * 1962-03-23 1965-12-28 John F Dove Data storage and retrieval system
NL297496A (fr) * 1962-09-04

Also Published As

Publication number Publication date
GB1110887A (en) 1968-04-24
US3466615A (en) 1969-09-09

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