NL249294A - - Google Patents

Info

Publication number
NL249294A
NL249294A NL249294DA NL249294A NL 249294 A NL249294 A NL 249294A NL 249294D A NL249294D A NL 249294DA NL 249294 A NL249294 A NL 249294A
Authority
NL
Netherlands
Application number
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.)
Publication of NL249294A publication Critical patent/NL249294A/xx

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
    • G11C17/02—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using magnetic or inductive elements
NL249294D 1959-03-17 NL249294A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9136/59A GB868775A (en) 1959-03-17 1959-03-17 Improvements relating to information storage devices

Publications (1)

Publication Number Publication Date
NL249294A true NL249294A (xx)

Family

ID=9866065

Family Applications (1)

Application Number Title Priority Date Filing Date
NL249294D NL249294A (xx) 1959-03-17

Country Status (5)

Country Link
US (1) US3061821A (xx)
CH (1) CH385924A (xx)
DE (1) DE1101024B (xx)
GB (1) GB868775A (xx)
NL (1) NL249294A (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL232741A (xx) * 1957-10-30
NL130691C (xx) * 1959-05-21
US3290660A (en) * 1960-05-02 1966-12-06 Sperry Rand Corp Non-destructive sensing semipermanent memory
US3130388A (en) * 1960-05-02 1964-04-21 Sperry Rand Corp Non-destructive sensing memory
US3162845A (en) * 1960-08-11 1964-12-22 Ampex Magnetic information-storage device
GB996172A (xx) * 1960-11-08
DE1197929C2 (de) * 1961-06-22 1974-11-07 Halbfestwertspeicher
GB1024231A (en) * 1961-06-23 1966-03-30 Emi Ltd Improvements relating to data storage devices
NL281066A (xx) * 1961-07-19
US3245058A (en) * 1961-12-15 1966-04-05 Ibm Semi-permanent memory
US3248710A (en) * 1961-12-15 1966-04-26 Ibm Read only memory
GB1005542A (en) * 1962-03-28 1965-09-22 Ibm Improvements in information stores
US3221313A (en) * 1962-04-13 1965-11-30 Bell Telephone Labor Inc Magnetic memory circuits
US3253267A (en) * 1962-04-25 1966-05-24 Nippon Electric Co Converter for converting semi-permanent memories into electrical signals
US3278917A (en) * 1962-05-10 1966-10-11 Bunker Ramo Data storage system and addressing circuit
US3284781A (en) * 1962-07-10 1966-11-08 Hitachi Ltd Semi-permanent memory device
NL295715A (xx) * 1962-07-25
NL295714A (xx) * 1962-07-25
GB1000614A (en) * 1963-02-19 1965-08-11 Gen Electric Co Ltd Improvements in or relating to electrical digital data stores
NL6406457A (xx) * 1963-06-12 1964-12-14
US3504357A (en) * 1964-11-23 1970-03-31 Sperry Rand Corp Plated wire memory base assembly
DE1232618B (de) * 1965-05-14 1967-01-19 Buchungsmaschinenwerk Veb Halbfestwertspeicher
US3404452A (en) * 1965-09-20 1968-10-08 David H. Navon Method of making a memory device component and the like

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2719965A (en) * 1954-06-15 1955-10-04 Rca Corp Magnetic memory matrix writing system
NL209920A (xx) * 1955-08-26
US2922145A (en) * 1956-10-16 1960-01-19 Bell Telephone Labor Inc Magnetic core switching circuit
US3027548A (en) * 1956-12-17 1962-03-27 Bell Telephone Labor Inc Electromagnetic coupling arrangements

Also Published As

Publication number Publication date
DE1101024B (de) 1961-03-02
US3061821A (en) 1962-10-30
GB868775A (en) 1961-05-25
CH385924A (de) 1964-12-31

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