GB1006855A - Improvements relating to digital magnetic data storage devices - Google Patents
Improvements relating to digital magnetic data storage devicesInfo
- Publication number
- GB1006855A GB1006855A GB10500/64A GB1050064A GB1006855A GB 1006855 A GB1006855 A GB 1006855A GB 10500/64 A GB10500/64 A GB 10500/64A GB 1050064 A GB1050064 A GB 1050064A GB 1006855 A GB1006855 A GB 1006855A
- Authority
- GB
- United Kingdom
- Prior art keywords
- winding
- magnetic
- wire
- storage
- bit wire
- 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
- 238000013500 data storage Methods 0.000 title abstract 2
- 238000004804 winding Methods 0.000 abstract 12
- 239000004020 conductor Substances 0.000 abstract 3
- 230000005415 magnetization Effects 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- UFULAYFCSOUIOV-UHFFFAOYSA-N cysteamine Chemical compound NCCS UFULAYFCSOUIOV-UHFFFAOYSA-N 0.000 abstract 1
- 239000000696 magnetic material Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
Classifications
-
- 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
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/58—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being tunnel diodes
-
- 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
- G11C11/04—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using storage elements having cylindrical form, e.g. rod, wire
-
- 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
-
- 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
- G11C11/06014—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 using one such element per bit
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/02—Arrangements for writing information into, or reading information out from, a digital store with means for avoiding parasitic signals
-
- 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
- H03K17/54—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements of vacuum tubes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/313—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of semiconductor devices with two electrodes, one or two potential barriers, and exhibiting a negative resistance characteristic
- H03K3/315—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of semiconductor devices with two electrodes, one or two potential barriers, and exhibiting a negative resistance characteristic the devices being tunnel diodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Semiconductor Memories (AREA)
- Amplifiers (AREA)
- Read Only Memory (AREA)
- Mram Or Spin Memory Techniques (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US268145A US3341829A (en) | 1963-03-26 | 1963-03-26 | Computer memory system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1006855A true GB1006855A (en) | 1965-10-06 |
Family
ID=23021677
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10501/64A Expired GB1006856A (en) | 1963-03-26 | 1964-03-12 | Improvements in digital magnetic element data stores |
| GB10502/64A Expired GB1006857A (en) | 1963-03-26 | 1964-03-12 | Improvements relating to pulse amplifiers |
| GB10500/64A Expired GB1006855A (en) | 1963-03-26 | 1964-03-12 | Improvements relating to digital magnetic data storage devices |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB10501/64A Expired GB1006856A (en) | 1963-03-26 | 1964-03-12 | Improvements in digital magnetic element data stores |
| GB10502/64A Expired GB1006857A (en) | 1963-03-26 | 1964-03-12 | Improvements relating to pulse amplifiers |
Country Status (8)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3418644A (en) * | 1964-06-10 | 1968-12-24 | Ncr Co | Thin film memory |
| US3422408A (en) * | 1964-09-01 | 1969-01-14 | Sperry Rand Corp | Thin film memory device employing unipolar bilevel write-read pulses to minimize creep |
| US3531782A (en) * | 1965-05-26 | 1970-09-29 | Sperry Rand Corp | Thin film keepered memory element |
| US3461431A (en) * | 1966-11-07 | 1969-08-12 | Ncr Co | High speed thin film memory |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE885721C (de) * | 1942-03-10 | 1953-08-06 | Atlas Werke Ag | Vorrichtung zum Schalten elektrischer Wechselspannungen |
| DE1089414B (de) * | 1958-05-09 | 1960-09-22 | Ericsson Telefon Ab L M | Gleichstromgesteuerte elektronische Relaisanordnung mit hoher Nenndaempfung zum Durchschalten eines Wechselstromes |
| US3090946A (en) * | 1958-08-04 | 1963-05-21 | Bell Telephone Labor Inc | Electrical information handling circuits |
| US3223983A (en) * | 1958-09-25 | 1965-12-14 | Burroughs Corp | Retentive data store and material |
| US3051941A (en) * | 1958-10-24 | 1962-08-28 | Bell Telephone Labor Inc | Analog-digital converter and register |
| US3134965A (en) * | 1959-03-03 | 1964-05-26 | Ncr Co | Magnetic data-storage device and matrix |
| GB914365A (en) * | 1959-06-29 | 1963-01-02 | Nat Res Dev | Improvements in data storage apparatus |
| US3270326A (en) * | 1960-11-01 | 1966-08-30 | Ncr Co | Thin film magnetic storage device |
| US3290512A (en) * | 1961-06-07 | 1966-12-06 | Burroughs Corp | Electromagnetic transducers |
| BE629183A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1962-03-08 |
-
0
- NL NL124900D patent/NL124900C/xx active
- NL NL132746D patent/NL132746C/xx active
-
1963
- 1963-03-26 US US268145A patent/US3341829A/en not_active Expired - Lifetime
-
1964
- 1964-03-12 GB GB10501/64A patent/GB1006856A/en not_active Expired
- 1964-03-12 GB GB10502/64A patent/GB1006857A/en not_active Expired
- 1964-03-12 GB GB10500/64A patent/GB1006855A/en not_active Expired
- 1964-03-24 BE BE645612A patent/BE645612A/xx unknown
- 1964-03-24 BE BE645613A patent/BE645613A/xx unknown
- 1964-03-24 BE BE645614A patent/BE645614A/xx unknown
- 1964-03-25 NL NL6403212A patent/NL6403212A/xx unknown
- 1964-03-25 SE SE3729/64A patent/SE300242B/xx unknown
- 1964-03-25 CH CH389664A patent/CH420269A/fr unknown
- 1964-03-25 DE DEN24682A patent/DE1244856B/de active Pending
- 1964-03-25 NL NL6403214A patent/NL6403214A/xx unknown
- 1964-03-25 CH CH389864A patent/CH420274A/fr unknown
- 1964-03-25 CH CH389764A patent/CH409016A/fr unknown
- 1964-03-25 DE DEN24683A patent/DE1212590B/de active Pending
- 1964-03-25 NL NL6403213A patent/NL6403213A/xx unknown
- 1964-03-26 JP JP39016536A patent/JPS4842739B1/ja active Pending
-
1973
- 1973-11-22 JP JP48131578A patent/JPS5245619B1/ja active Pending
- 1973-11-22 JP JP13157773A patent/JPS5315781B1/ja active Pending
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