IT978273B - Sistema di memoria perfezioneto a domini magnetici a boll - Google Patents
Sistema di memoria perfezioneto a domini magnetici a bollInfo
- Publication number
- IT978273B IT978273B IT1935373D IT1935373D IT978273B IT 978273 B IT978273 B IT 978273B IT 1935373 D IT1935373 D IT 1935373D IT 1935373 D IT1935373 D IT 1935373D IT 978273 B IT978273 B IT 978273B
- Authority
- IT
- Italy
- Prior art keywords
- boll
- magnetic
- memory system
- perfect memory
- perfect
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/70—Masking faults in memories by using spares or by reconfiguring
- G11C29/86—Masking faults in memories by using spares or by reconfiguring in serial access memories, e.g. shift registers, CCDs, bubble memories
-
- 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
- G11C19/0875—Organisation of a plurality of magnetic shift registers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24902672A | 1972-05-01 | 1972-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT978273B true IT978273B (it) | 1974-09-20 |
Family
ID=22941730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1935373D IT978273B (it) | 1972-05-01 | 1973-01-19 | Sistema di memoria perfezioneto a domini magnetici a boll |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS4923546A (it) |
CA (1) | CA1009367A (it) |
DE (1) | DE2302139A1 (it) |
FR (1) | FR2182840B1 (it) |
GB (1) | GB1371597A (it) |
IT (1) | IT978273B (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5816264B2 (ja) * | 1974-12-09 | 1983-03-30 | 株式会社日立製作所 | ジキバブルメモリソウチ |
JPS51118341A (en) * | 1975-04-11 | 1976-10-18 | Hitachi Ltd | Shift register type memory |
JPS51138344A (en) * | 1975-05-26 | 1976-11-29 | Hitachi Ltd | Memory device |
US4070651A (en) * | 1975-07-10 | 1978-01-24 | Texas Instruments Incorporated | Magnetic domain minor loop redundancy system |
JPS5318926A (en) * | 1976-08-06 | 1978-02-21 | Hitachi Ltd | Auxiliary loop switching circuit for magnetic bubble memory unit |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1181577A (fr) * | 1956-08-23 | 1959-06-17 | Bayer Ag | Appareil mélangeur |
BE620922A (it) * | 1961-08-08 | |||
GB1010008A (en) * | 1962-04-30 | 1965-11-17 | Inv S Finance Corp | A pressure regulator for injection of a plastic material |
US3331058A (en) * | 1964-12-24 | 1967-07-11 | Fairchild Camera Instr Co | Error free memory |
NL149927B (nl) * | 1968-02-19 | 1976-06-15 | Philips Nv | Woordgeorganiseerd geheugen. |
-
1973
- 1973-01-16 GB GB220773A patent/GB1371597A/en not_active Expired
- 1973-01-17 DE DE19732302139 patent/DE2302139A1/de active Pending
- 1973-01-19 IT IT1935373D patent/IT978273B/it active
- 1973-01-23 FR FR7304185A patent/FR2182840B1/fr not_active Expired
- 1973-01-24 CA CA162,351A patent/CA1009367A/en not_active Expired
- 1973-01-29 JP JP48011216A patent/JPS4923546A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2182840A1 (it) | 1973-12-14 |
JPS4923546A (it) | 1974-03-02 |
DE2302139A1 (de) | 1973-11-22 |
CA1009367A (en) | 1977-04-26 |
FR2182840B1 (it) | 1976-05-14 |
GB1371597A (en) | 1974-10-23 |
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