GB1563926A - Magnetic memories - Google Patents

Magnetic memories Download PDF

Info

Publication number
GB1563926A
GB1563926A GB37049/76A GB3704976A GB1563926A GB 1563926 A GB1563926 A GB 1563926A GB 37049/76 A GB37049/76 A GB 37049/76A GB 3704976 A GB3704976 A GB 3704976A GB 1563926 A GB1563926 A GB 1563926A
Authority
GB
United Kingdom
Prior art keywords
field
bubble
directed
phase field
feed
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
GB37049/76A
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 GB1563926A publication Critical patent/GB1563926A/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
    • G11C19/0858—Generating, replicating or annihilating magnetic domains (also comprising different types of magnetic domains, e.g. "Hard Bubbles")

Landscapes

  • Magnetic Resonance Imaging Apparatus (AREA)
  • Surgical Instruments (AREA)
GB37049/76A 1975-09-08 1976-09-07 Magnetic memories Expired GB1563926A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/611,105 US3988723A (en) 1975-09-08 1975-09-08 Half-frequency feed ring generator of single wall domains

Publications (1)

Publication Number Publication Date
GB1563926A true GB1563926A (en) 1980-04-02

Family

ID=24447648

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37049/76A Expired GB1563926A (en) 1975-09-08 1976-09-07 Magnetic memories

Country Status (7)

Country Link
US (1) US3988723A (https=)
JP (1) JPS5255836A (https=)
DE (1) DE7628065U1 (https=)
FR (1) FR2323209A1 (https=)
GB (1) GB1563926A (https=)
IT (1) IT1063488B (https=)
NL (1) NL7609988A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5677978A (en) * 1979-11-30 1981-06-26 Hitachi Ltd Magnetic bubble memory element
JPS5687287A (en) * 1979-12-17 1981-07-15 Fujitsu Ltd Magnetic bubble device
JPS57500578A (https=) * 1980-04-28 1982-04-01
JPS5736494A (ja) * 1980-08-14 1982-02-27 Fujitsu Ltd Jikibaburumemorisochi

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797001A (en) * 1972-08-07 1974-03-12 Bell Telephone Labor Inc Single wall domain propagation arrangement
NL7212008A (https=) * 1972-09-02 1974-03-05
US3879585A (en) * 1974-02-20 1975-04-22 Bell Telephone Labor Inc Single wall domain memory arrangement

Also Published As

Publication number Publication date
FR2323209B1 (https=) 1982-08-20
IT1063488B (it) 1985-02-11
FR2323209A1 (fr) 1977-04-01
DE7628065U1 (de) 1977-04-14
US3988723A (en) 1976-10-26
JPS5255836A (en) 1977-05-07
NL7609988A (nl) 1977-03-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee