GB841449A - Improvements in or relating to magnetic memory storage devices - Google Patents
Improvements in or relating to magnetic memory storage devicesInfo
- 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
Links
- 230000005055 memory storage Effects 0.000 title 1
- 239000011159 matrix material Substances 0.000 abstract 3
- 239000013642 negative control Substances 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract 1
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)
- Read Only Memory (AREA)
- Electronic Switches (AREA)
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)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL111844C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1959-10-20 | |||
| NL128240C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2733861A (en) * | 1952-08-01 | 1956-02-07 | Universal sw | |
| US2691152A (en) * | 1953-01-13 | 1954-10-05 | Rca Corp | Magnetic switching system |
-
0
- NL NL96801D patent/NL96801C/xx active
- NL NL218542D patent/NL218542A/xx unknown
- BE BE568955D patent/BE568955A/xx unknown
-
1958
- 1958-06-09 US US740794A patent/US2968029A/en not_active Expired - Lifetime
- 1958-06-24 DE DEN15258A patent/DE1108956B/de active Pending
- 1958-06-25 JP JP1772558A patent/JPS3513412B1/ja active Pending
- 1958-06-25 CH CH6103958A patent/CH368524A/de unknown
- 1958-06-26 FR FR768923A patent/FR1215598A/fr not_active Expired
- 1958-06-27 GB GB20703/58A patent/GB841449A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL96801C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| JPS3513412B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1960-09-15 |
| DE1108956B (de) | 1961-06-15 |
| US2968029A (en) | 1961-01-10 |
| BE568955A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| CH368524A (de) | 1963-04-15 |
| NL218542A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| FR1215598A (fr) | 1960-04-19 |
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