IT1156748B - Perfezionamento nelle memorie a domini magnetici a bolle - Google Patents

Perfezionamento nelle memorie a domini magnetici a bolle

Info

Publication number
IT1156748B
IT1156748B IT49402/78A IT4940278A IT1156748B IT 1156748 B IT1156748 B IT 1156748B IT 49402/78 A IT49402/78 A IT 49402/78A IT 4940278 A IT4940278 A IT 4940278A IT 1156748 B IT1156748 B IT 1156748B
Authority
IT
Italy
Prior art keywords
improvement
magnetic domain
domain memories
bubble magnetic
bubble
Prior art date
Application number
IT49402/78A
Other languages
English (en)
Other versions
IT7849402A0 (it
Inventor
Bennett Sanford Scott
James Bernard Hall
James Steven Flannigan
Dennie Joel Shadrick
Original Assignee
Texas Instruments Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US05/796,934 external-priority patent/US4458334A/en
Priority claimed from US05/804,979 external-priority patent/US4090251A/en
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of IT7849402A0 publication Critical patent/IT7849402A0/it
Application granted granted Critical
Publication of IT1156748B publication Critical patent/IT1156748B/it

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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/003—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation in serial memories
IT49402/78A 1977-05-16 1978-05-16 Perfezionamento nelle memorie a domini magnetici a bolle IT1156748B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/796,934 US4458334A (en) 1977-05-16 1977-05-16 Redundancy map storage for bubble memories
US05/804,979 US4090251A (en) 1977-06-09 1977-06-09 Bubble memory redundancy storage

Publications (2)

Publication Number Publication Date
IT7849402A0 IT7849402A0 (it) 1978-05-16
IT1156748B true IT1156748B (it) 1987-02-04

Family

ID=27121801

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49402/78A IT1156748B (it) 1977-05-16 1978-05-16 Perfezionamento nelle memorie a domini magnetici a bolle

Country Status (8)

Country Link
JP (1) JPS5466729A (it)
AU (1) AU3610878A (it)
BR (1) BR7803086A (it)
DE (1) DE2821228C2 (it)
FR (1) FR2391531A1 (it)
GB (1) GB1596990A (it)
IT (1) IT1156748B (it)
NL (1) NL7805283A (it)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5427693B2 (it) * 1971-10-30 1979-09-11
US3792450A (en) * 1972-05-08 1974-02-12 Singer Co System for overcoming faults in magnetic anisotropic material
US3909810A (en) * 1974-02-25 1975-09-30 Texas Instruments Inc Bubble memory minor loop redundancy scheme
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
FR2307332A1 (fr) * 1975-04-07 1976-11-05 Sperry Rand Corp Procede de stockage d'information dans une memoire comportant au moins une zone de memorisation defectueuse et dispositif pour l'execution de ce procede
JPS51118341A (en) * 1975-04-11 1976-10-18 Hitachi Ltd Shift register type memory
US4070651A (en) * 1975-07-10 1978-01-24 Texas Instruments Incorporated Magnetic domain minor loop redundancy system

Also Published As

Publication number Publication date
DE2821228C2 (de) 1981-10-08
IT7849402A0 (it) 1978-05-16
AU3610878A (en) 1979-11-22
JPS5466729A (en) 1979-05-29
NL7805283A (nl) 1978-11-20
FR2391531A1 (fr) 1978-12-15
FR2391531B1 (it) 1983-03-04
BR7803086A (pt) 1979-03-20
GB1596990A (en) 1981-09-03
DE2821228A1 (de) 1978-11-23

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