GB841449A - Improvements in or relating to magnetic memory storage devices - Google Patents

Improvements in or relating to magnetic memory storage devices

Info

Publication number
GB841449A
GB841449A GB20703/58A GB2070358A GB841449A GB 841449 A GB841449 A GB 841449A GB 20703/58 A GB20703/58 A GB 20703/58A GB 2070358 A GB2070358 A GB 2070358A GB 841449 A GB841449 A GB 841449A
Authority
GB
United Kingdom
Prior art keywords
wires
cores
row
wire
code group
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
GB20703/58A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries 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
Application filed by Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB841449A publication Critical patent/GB841449A/en
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
    • G11C17/02—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using magnetic or inductive elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/74—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of diodes
    • H03K17/76—Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors

Landscapes

  • Semiconductor Memories (AREA)
GB20703/58A 1957-06-28 1958-06-27 Improvements in or relating to magnetic memory storage devices Expired GB841449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL218542 1957-06-28

Publications (1)

Publication Number Publication Date
GB841449A true GB841449A (en) 1960-07-13

Family

ID=19750918

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20703/58A Expired GB841449A (en) 1957-06-28 1958-06-27 Improvements in or relating to magnetic memory storage devices

Country Status (8)

Country Link
US (1) US2968029A (e)
JP (1) JPS3513412B1 (e)
BE (1) BE568955A (e)
CH (1) CH368524A (e)
DE (1) DE1108956B (e)
FR (1) FR1215598A (e)
GB (1) GB841449A (e)
NL (2) NL218542A (e)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL244502A (e) * 1959-10-20
NL286926A (e) * 1962-12-18
DE1181276B (de) * 1963-05-02 1964-11-12 Zuse K G Datengeber aus matrixfoermig angeordneten Ferrit-Ringkernen
US3419855A (en) * 1964-12-24 1968-12-31 Gen Motors Corp Coincident current wired core memory for computers
US3488641A (en) * 1965-08-24 1970-01-06 Gen Motors Corp Coincident current read only memory using linear magnetic elements
US3518638A (en) * 1966-01-11 1970-06-30 Us Navy Magnetic core memory matrix wiring rearrangement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL180312B (nl) * 1952-08-01 Atochem Werkwijze voor het bereiden van azinen uit cyaanverbindingen, waterstofperoxyde en carbonylverbindingen of cyaanhydrinen.
US2691152A (en) * 1953-01-13 1954-10-05 Rca Corp Magnetic switching system

Also Published As

Publication number Publication date
JPS3513412B1 (e) 1960-09-15
US2968029A (en) 1961-01-10
BE568955A (e)
NL218542A (e)
NL96801C (e)
CH368524A (de) 1963-04-15
DE1108956B (de) 1961-06-15
FR1215598A (fr) 1960-04-19

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