NL218713A - - Google Patents
Info
- Publication number
- NL218713A NL218713A NL218713DA NL218713A NL 218713 A NL218713 A NL 218713A NL 218713D A NL218713D A NL 218713DA NL 218713 A NL218713 A NL 218713A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/004—Recording on, or reproducing or erasing from, magnetic drums
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US614554A US3019420A (en) | 1956-10-08 | 1956-10-08 | Matrix memory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL218713A true NL218713A (en17) |
Family
ID=24461754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL218713D NL218713A (en17) | 1956-10-08 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3019420A (en17) |
| BE (1) | BE558988A (en17) |
| DE (1) | DE1263840B (en17) |
| GB (1) | GB833545A (en17) |
| NL (1) | NL218713A (en17) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3209339A (en) * | 1960-10-26 | 1965-09-28 | Rca Corp | Switching circuits |
| NL271971A (en17) * | 1960-11-30 | |||
| DE1193994B (de) * | 1960-12-07 | 1965-06-03 | Elektronische Rechenmasch Ind | Elektronische Auswahleinrichtung |
| US3453612A (en) * | 1966-08-26 | 1969-07-01 | Potter Instrument Co Inc | Magnetic head selection circuitry |
| US3824623A (en) * | 1972-12-14 | 1974-07-16 | Potter Instrument Co Inc | System for reducing cross talk of unselected magnetic heads into a selected head |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2691151A (en) * | 1950-05-22 | 1954-10-05 | Products & Licensing Corp | Multiple switching systems |
| BE515300A (en17) * | 1951-12-31 | |||
| US2680239A (en) * | 1952-02-26 | 1954-06-01 | Engineering Res Associates Inc | Data selection system |
| NL105849C (en17) * | 1952-05-24 | |||
| US2932008A (en) * | 1952-10-15 | 1960-04-05 | Burroughs Corp | Matrix system |
| IT508386A (en17) * | 1952-10-25 | |||
| US2925587A (en) * | 1953-12-01 | 1960-02-16 | Thorensen Ragnar | Magnetic drum memory for electronic computers |
| US2927304A (en) * | 1954-03-01 | 1960-03-01 | Burroughs Corp | Magnetic head switching system |
| US2849703A (en) * | 1954-10-12 | 1958-08-26 | Ferranti Ltd | Electronic selector stages |
-
0
- NL NL218713D patent/NL218713A/xx unknown
- BE BE558988D patent/BE558988A/xx unknown
-
1956
- 1956-10-08 US US614554A patent/US3019420A/en not_active Expired - Lifetime
-
1957
- 1957-06-14 GB GB18815/57A patent/GB833545A/en not_active Expired
- 1957-07-10 DE DEL28037A patent/DE1263840B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE558988A (en17) | |
| GB833545A (en) | 1960-04-27 |
| US3019420A (en) | 1962-01-30 |
| DE1263840B (de) | 1968-03-21 |