GB1570699A - Magnetic memories - Google Patents

Magnetic memories Download PDF

Info

Publication number
GB1570699A
GB1570699A GB5186676A GB5186676A GB1570699A GB 1570699 A GB1570699 A GB 1570699A GB 5186676 A GB5186676 A GB 5186676A GB 5186676 A GB5186676 A GB 5186676A GB 1570699 A GB1570699 A GB 1570699A
Authority
GB
United Kingdom
Prior art keywords
field
transfer
loops
loop
minor
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
GB5186676A
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.)
Unisys Corp
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB1570699A publication Critical patent/GB1570699A/en
Expired legal-status Critical Current

Links

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
    • 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

Landscapes

  • Thin Magnetic Films (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Mram Or Spin Memory Techniques (AREA)
GB5186676A 1975-12-19 1976-12-13 Magnetic memories Expired GB1570699A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64226775A 1975-12-19 1975-12-19

Publications (1)

Publication Number Publication Date
GB1570699A true GB1570699A (en) 1980-07-09

Family

ID=24575879

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5186676A Expired GB1570699A (en) 1975-12-19 1976-12-13 Magnetic memories

Country Status (7)

Country Link
JP (1) JPS5277545A (enrdf_load_stackoverflow)
CA (1) CA1101544A (enrdf_load_stackoverflow)
DE (1) DE2657200A1 (enrdf_load_stackoverflow)
FR (1) FR2335911A1 (enrdf_load_stackoverflow)
GB (1) GB1570699A (enrdf_load_stackoverflow)
IT (1) IT1065457B (enrdf_load_stackoverflow)
NL (1) NL7614156A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153947A (en) * 1977-10-12 1979-05-08 Control Data Corporation Conductor driven field access magnetic bubble memory propagation system
US4175289A (en) * 1978-06-05 1979-11-20 International Business Machines Corporation Serrated Y-bar magnetic bubble switch

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3530446A (en) * 1968-09-12 1970-09-22 Bell Telephone Labor Inc Magnetic domain fanout circuit
JPS5441182B2 (enrdf_load_stackoverflow) * 1973-11-21 1979-12-07

Also Published As

Publication number Publication date
CA1101544A (en) 1981-05-19
DE2657200A1 (de) 1977-07-07
JPS5277545A (en) 1977-06-30
NL7614156A (nl) 1977-06-21
DE2657200C3 (enrdf_load_stackoverflow) 1980-07-24
DE2657200B2 (enrdf_load_stackoverflow) 1979-05-31
IT1065457B (it) 1985-02-25
FR2335911A1 (fr) 1977-07-15

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Legal Events

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