GB1371597A - Bubble domain memory system - Google Patents

Bubble domain memory system

Info

Publication number
GB1371597A
GB1371597A GB220773A GB220773A GB1371597A GB 1371597 A GB1371597 A GB 1371597A GB 220773 A GB220773 A GB 220773A GB 220773 A GB220773 A GB 220773A GB 1371597 A GB1371597 A GB 1371597A
Authority
GB
United Kingdom
Prior art keywords
domain
path
pass
storage
unit
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
Application number
GB220773A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1371597A publication Critical patent/GB1371597A/en
Expired legal-status Critical Current

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

Landscapes

  • Techniques For Improving Reliability Of Storages (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Hardware Redundancy (AREA)
GB220773A 1972-05-01 1973-01-16 Bubble domain memory system Expired GB1371597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24902672A 1972-05-01 1972-05-01

Publications (1)

Publication Number Publication Date
GB1371597A true GB1371597A (en) 1974-10-23

Family

ID=22941730

Family Applications (1)

Application Number Title Priority Date Filing Date
GB220773A Expired GB1371597A (en) 1972-05-01 1973-01-16 Bubble domain memory system

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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.

Also Published As

Publication number Publication date
FR2182840A1 (it) 1973-12-14
IT978273B (it) 1974-09-20
JPS4923546A (it) 1974-03-02
DE2302139A1 (de) 1973-11-22
CA1009367A (en) 1977-04-26
FR2182840B1 (it) 1976-05-14

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee