FR2366664A1 - Ensemble modulaire pour dispositifs a memoire a bulles - Google Patents
Ensemble modulaire pour dispositifs a memoire a bullesInfo
- Publication number
- FR2366664A1 FR2366664A1 FR7712660A FR7712660A FR2366664A1 FR 2366664 A1 FR2366664 A1 FR 2366664A1 FR 7712660 A FR7712660 A FR 7712660A FR 7712660 A FR7712660 A FR 7712660A FR 2366664 A1 FR2366664 A1 FR 2366664A1
- Authority
- FR
- France
- Prior art keywords
- plates
- memory devices
- modular assembly
- bubble memory
- bubble
- 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.)
- Granted
Links
- 230000015654 memory Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
- G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
- G11C19/085—Generating magnetic fields therefor, e.g. uniform magnetic field for magnetic domain stabilisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
- Aerials With Secondary Devices (AREA)
- Dc Machiner (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Ensemble modulaire pour dispositifs de mémoire à bulles. Il comprend deux plaques 11 et 13 de réflexion thermiquement et électriquement conductrices comportant des fentes allongées parallèles 17, 19, 21 et 25, 27, 29 respectivement. Les éléments d'emmagasinage 15 sont placés entre les plaques. Des bobines 23 et 31 engendrant un champ magnétique sont associées aux plaques 11 et 13 respectivement, les fentes dans chacune des plaques étant parallèles à l'ouverture centrale pratiquée dans chaque bobine. Application aux mémoires à bulles magnétiques.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/689,278 US4027300A (en) | 1976-05-24 | 1976-05-24 | Bubble memory package |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2366664A1 true FR2366664A1 (fr) | 1978-04-28 |
FR2366664B1 FR2366664B1 (fr) | 1980-02-01 |
Family
ID=24767754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7712660A Granted FR2366664A1 (fr) | 1976-05-24 | 1977-04-22 | Ensemble modulaire pour dispositifs a memoire a bulles |
Country Status (8)
Country | Link |
---|---|
US (1) | US4027300A (fr) |
JP (1) | JPS52143721A (fr) |
CA (1) | CA1095168A (fr) |
DE (1) | DE2721602C2 (fr) |
FR (1) | FR2366664A1 (fr) |
GB (1) | GB1531116A (fr) |
IT (1) | IT1115461B (fr) |
NL (1) | NL7701801A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4096581A (en) * | 1976-08-16 | 1978-06-20 | Texas Instruments Incorporated | External drive coil magnetic bubble package |
JPS5816551B2 (ja) * | 1977-08-15 | 1983-03-31 | 株式会社日立製作所 | 磁気バブル駆動磁気回路 |
US4165535A (en) * | 1977-09-30 | 1979-08-21 | International Business Machines Corporation | Bubble memory drive system using a picture frame core and a reflection box |
US4150440A (en) * | 1978-03-13 | 1979-04-17 | Control Data Corporation | Bubble memory package |
WO1981000167A1 (fr) * | 1979-06-29 | 1981-01-22 | Burroughs Corp | Unite a memoire a bulles magnetiques avec microplaquettes montees face-a-face |
US4414646A (en) * | 1981-03-31 | 1983-11-08 | Societe D'applications Generales D/Electricite Et De Mecanique Sagem | Magnetic bubble memory devices |
JPS59104398U (ja) * | 1982-12-28 | 1984-07-13 | 富士通株式会社 | 磁気バブルメモリデバイス |
JPS59173199U (ja) * | 1983-04-30 | 1984-11-19 | 富士通株式会社 | 磁気バブルメモリデバイス |
JPS59217285A (ja) * | 1983-05-23 | 1984-12-07 | Fujitsu Ltd | 磁気バブルメモリデバイス |
US4791604A (en) * | 1984-02-15 | 1988-12-13 | Joseph J. Bednarz | Sheet random access memory |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5441184B2 (fr) * | 1973-12-01 | 1979-12-07 | ||
CA1076699A (fr) * | 1975-02-11 | 1980-04-29 | Rockwell International Corporation | Reseau de champ tournant uniforme pour entasser efficacement les domaines de bulles magnetiques dans une memoire |
-
1976
- 1976-05-24 US US05/689,278 patent/US4027300A/en not_active Expired - Lifetime
-
1977
- 1977-02-21 NL NL7701801A patent/NL7701801A/xx not_active Application Discontinuation
- 1977-04-21 IT IT22684/77A patent/IT1115461B/it active
- 1977-04-22 FR FR7712660A patent/FR2366664A1/fr active Granted
- 1977-04-22 JP JP4597377A patent/JPS52143721A/ja active Granted
- 1977-04-29 CA CA277,285A patent/CA1095168A/fr not_active Expired
- 1977-05-04 GB GB18742/77A patent/GB1531116A/en not_active Expired
- 1977-05-13 DE DE2721602A patent/DE2721602C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1095168A (fr) | 1981-02-03 |
JPS52143721A (en) | 1977-11-30 |
DE2721602A1 (de) | 1977-12-08 |
NL7701801A (nl) | 1977-11-28 |
FR2366664B1 (fr) | 1980-02-01 |
JPS578548B2 (fr) | 1982-02-17 |
US4027300A (en) | 1977-05-31 |
IT1115461B (it) | 1986-02-03 |
DE2721602C2 (de) | 1983-01-05 |
GB1531116A (en) | 1978-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |