GB1247800A - Method and apparatus for driving memory core selection lines - Google Patents
Method and apparatus for driving memory core selection linesInfo
- Publication number
- GB1247800A GB1247800A GB03184/69A GB1318469A GB1247800A GB 1247800 A GB1247800 A GB 1247800A GB 03184/69 A GB03184/69 A GB 03184/69A GB 1318469 A GB1318469 A GB 1318469A GB 1247800 A GB1247800 A GB 1247800A
- Authority
- GB
- United Kingdom
- Prior art keywords
- current
- line
- drive
- switches
- regulator
- 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
- 239000011159 matrix material Substances 0.000 abstract 2
- 230000007423 decrease Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/06—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element
- G11C11/06007—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Electronic Switches (AREA)
- Static Random-Access Memory (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71363868A | 1968-03-18 | 1968-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1247800A true GB1247800A (en) | 1971-09-29 |
Family
ID=24866898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB03184/69A Expired GB1247800A (en) | 1968-03-18 | 1969-03-13 | Method and apparatus for driving memory core selection lines |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3544978A (enExample) |
| DE (1) | DE1913057C3 (enExample) |
| FR (1) | FR2004176A1 (enExample) |
| GB (1) | GB1247800A (enExample) |
| NL (1) | NL6904126A (enExample) |
| SE (1) | SE359952B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3693176A (en) * | 1970-04-06 | 1972-09-19 | Electronic Memories & Magnetic | Read and write systems for 2 1/2d core memory |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL254926A (enExample) * | 1959-08-17 | |||
| US3210741A (en) * | 1961-05-03 | 1965-10-05 | Sylvania Electric Prod | Drive circuit for magnetic elements |
| US3119025A (en) * | 1961-11-30 | 1964-01-21 | Honeywell Regulator Co | Pulse source for magnetic cores |
| US3209337A (en) * | 1962-08-27 | 1965-09-28 | Ibm | Magnetic matrix memory system |
| US3250922A (en) * | 1964-06-12 | 1966-05-10 | Hughes Aircraft Co | Current driver for core memory apparatus |
| US3351924A (en) * | 1964-11-27 | 1967-11-07 | Burroughs Corp | Current steering circuit |
| US3383526A (en) * | 1964-12-17 | 1968-05-14 | Ibm | Current driver circuit utilizing transistors |
-
1968
- 1968-03-18 US US713638A patent/US3544978A/en not_active Expired - Lifetime
-
1969
- 1969-03-13 GB GB03184/69A patent/GB1247800A/en not_active Expired
- 1969-03-17 SE SE03647/69A patent/SE359952B/xx unknown
- 1969-03-18 DE DE1913057A patent/DE1913057C3/de not_active Expired
- 1969-03-18 NL NL6904126A patent/NL6904126A/xx unknown
- 1969-03-18 FR FR6907725A patent/FR2004176A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL6904126A (enExample) | 1969-09-22 |
| FR2004176A1 (enExample) | 1969-11-21 |
| DE1913057A1 (de) | 1970-06-04 |
| SE359952B (enExample) | 1973-09-10 |
| DE1913057C3 (de) | 1975-02-27 |
| DE1913057B2 (de) | 1974-07-04 |
| US3544978A (en) | 1970-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3562555A (en) | Memory protecting circuit | |
| GB807700A (en) | Magnetic core memory system | |
| US4149097A (en) | Waveform transition sensitive Josephson junction circuit having sense bus and logic applications | |
| US3008128A (en) | Switching circuit for magnetic core memory | |
| GB1079877A (en) | Matrix selection circuit | |
| US3009070A (en) | Bi-directional current driver | |
| US3636377A (en) | Bipolar semiconductor random access memory | |
| US3032749A (en) | Memory systems | |
| GB940634A (en) | Driving arrangements for a three-dimensional magnetic core matrix | |
| US2993198A (en) | Bidirectional current drive circuit | |
| GB1247800A (en) | Method and apparatus for driving memory core selection lines | |
| US3364362A (en) | Memory selection system | |
| GB1035737A (en) | Improvements in or relating to sense amplifiers | |
| US3054905A (en) | Load-driving circuit | |
| US3078395A (en) | Bidirectional load current switching circuit | |
| US3154763A (en) | Core storage matrix | |
| US3409883A (en) | Balanced common inhibit sense system | |
| US3094689A (en) | Magnetic core memory circuit | |
| US3148357A (en) | Current switching apparatus | |
| GB940966A (en) | Tunnel diode memory device | |
| US3213433A (en) | Drive circuit for core memory | |
| GB1088737A (en) | Improvements in or relating to magnetic core stores | |
| US4620297A (en) | Schmitt trigger based memory cell with assisted turn on | |
| GB1273754A (en) | A computer memory strobing circuit | |
| US2939114A (en) | Magnetic memory system |