AU522623B2 - Fault tolerant bubble memory - Google Patents

Fault tolerant bubble memory

Info

Publication number
AU522623B2
AU522623B2 AU40072/78A AU4007278A AU522623B2 AU 522623 B2 AU522623 B2 AU 522623B2 AU 40072/78 A AU40072/78 A AU 40072/78A AU 4007278 A AU4007278 A AU 4007278A AU 522623 B2 AU522623 B2 AU 522623B2
Authority
AU
Australia
Prior art keywords
fault tolerant
bubble memory
tolerant bubble
memory
fault
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
AU40072/78A
Other versions
AU4007278A (en
Inventor
Patrick Bonnie. Philip Eldon White And Robert Charles Rust Genf
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.)
Control Data Corp
Original Assignee
Control Data 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
Priority claimed from US05/841,505 external-priority patent/US4145757A/en
Priority claimed from US05/841,506 external-priority patent/US4156937A/en
Priority claimed from US05/846,290 external-priority patent/US4139886A/en
Application filed by Control Data Corp filed Critical Control Data Corp
Priority to AU40072/78A priority Critical patent/AU522623B2/en
Publication of AU4007278A publication Critical patent/AU4007278A/en
Application granted granted Critical
Publication of AU522623B2 publication Critical patent/AU522623B2/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
    • G11C19/0808—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation
    • G11C19/0816—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure using magnetic domain propagation using a rotating or alternating coplanar magnetic field
    • 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
    • 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
    • G11C19/0883—Means for switching magnetic domains from one path into another path, i.e. transfer switches, swap gates or decoders
AU40072/78A 1977-10-12 1978-09-21 Fault tolerant bubble memory Expired AU522623B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU40072/78A AU522623B2 (en) 1977-10-12 1978-09-21 Fault tolerant bubble memory

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US05/841,505 US4145757A (en) 1977-10-12 1977-10-12 Fault tolerant bubble memory with redundancy using a stationary register on a single chip
US05/841,506 US4156937A (en) 1977-10-12 1977-10-12 Noncirculating register for bubble memory systems
US05/846,290 US4139886A (en) 1977-10-28 1977-10-28 Fault tolerant system for bubble memories
AU40072/78A AU522623B2 (en) 1977-10-12 1978-09-21 Fault tolerant bubble memory

Publications (2)

Publication Number Publication Date
AU4007278A AU4007278A (en) 1980-03-27
AU522623B2 true AU522623B2 (en) 1982-06-17

Family

ID=27423142

Family Applications (1)

Application Number Title Priority Date Filing Date
AU40072/78A Expired AU522623B2 (en) 1977-10-12 1978-09-21 Fault tolerant bubble memory

Country Status (1)

Country Link
AU (1) AU522623B2 (en)

Also Published As

Publication number Publication date
AU4007278A (en) 1980-03-27

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