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
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
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 (es) |
Family
ID=9866065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL249294D NL249294A (es) | 1959-03-17 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3061821A (es) |
| CH (1) | CH385924A (es) |
| DE (1) | DE1101024B (es) |
| GB (1) | GB868775A (es) |
| NL (1) | NL249294A (es) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL113704C (es) * | 1957-10-30 | |||
| NL251679A (es) * | 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 (es) * | 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 (es) * | 1961-07-19 | |||
| US3248710A (en) * | 1961-12-15 | 1966-04-26 | Ibm | Read only memory |
| US3245058A (en) * | 1961-12-15 | 1966-04-05 | Ibm | Semi-permanent 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 (es) * | 1962-07-25 | |||
| NL295714A (es) * | 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 (es) * | 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2719965A (en) * | 1954-06-15 | 1955-10-04 | Rca Corp | Magnetic memory matrix writing system |
| DE1030069B (de) * | 1955-08-26 | 1958-05-14 | IBM Deutschland Internationale Büro-Maschinen Gesellschaft m.b.H., Sindeliingen· (Württ.) | Speichertastatur |
| 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 |
-
0
- NL NL249294D patent/NL249294A/xx unknown
-
1959
- 1959-03-17 GB GB9136/59A patent/GB868775A/en not_active Expired
-
1960
- 1960-03-05 CH CH249360A patent/CH385924A/de unknown
- 1960-03-08 US US13525A patent/US3061821A/en not_active Expired - Lifetime
- 1960-03-10 DE DEF30726A patent/DE1101024B/de active Pending
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 |