IT984901B - Memoria a bolle magnetiche per registratori magnetici - Google Patents

Memoria a bolle magnetiche per registratori magnetici

Info

Publication number
IT984901B
IT984901B IT49770/73A IT4977073A IT984901B IT 984901 B IT984901 B IT 984901B IT 49770/73 A IT49770/73 A IT 49770/73A IT 4977073 A IT4977073 A IT 4977073A IT 984901 B IT984901 B IT 984901B
Authority
IT
Italy
Prior art keywords
magnetic
memory
recorders
bubbles
magnetic bubbles
Prior art date
Application number
IT49770/73A
Other languages
English (en)
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of IT984901B publication Critical patent/IT984901B/it

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
    • G11C19/0808—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
    • G11C19/085—Generating magnetic fields therefor, e.g. uniform magnetic field for magnetic domain stabilisation
IT49770/73A 1972-05-05 1973-05-03 Memoria a bolle magnetiche per registratori magnetici IT984901B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25054372A 1972-05-05 1972-05-05

Publications (1)

Publication Number Publication Date
IT984901B true IT984901B (it) 1974-11-20

Family

ID=22948190

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49770/73A IT984901B (it) 1972-05-05 1973-05-03 Memoria a bolle magnetiche per registratori magnetici

Country Status (10)

Country Link
US (1) US3744042A (it)
CA (1) CA962365A (it)
CH (1) CH567322A5 (it)
DE (1) DE2317520C3 (it)
FR (1) FR2183797B1 (it)
GB (1) GB1363058A (it)
IL (1) IL42005A (it)
IT (1) IT984901B (it)
MY (1) MY7500234A (it)
ZA (1) ZA732477B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56875B2 (it) * 1974-03-14 1981-01-09
US4001792A (en) * 1974-05-17 1977-01-04 Plessey Handel Und Investments A.G. Drive field for circular magnetic domain devices
JPS51101429A (it) * 1975-03-05 1976-09-07 Kogyo Gijutsuin
US4025911A (en) * 1975-10-23 1977-05-24 Bell Telephone Laboratories, Incorporated Magnetic bubble memory bias magnet arrangement
US4027298A (en) * 1975-11-05 1977-05-31 Bell Telephone Laboratories, Incorporated Magnetic bubble memory bias magnet arrangement
JPS53103329A (en) * 1977-02-21 1978-09-08 Fujitsu Ltd Magnetic bubble device
JPS53130937A (en) * 1977-04-21 1978-11-15 Fujitsu Ltd Driving control system for magnetic bubble device
US4238836A (en) * 1979-03-07 1980-12-09 Bell Telephone Laboratories, Incorporated Fail safe magnetic bubble memory
EP0201007A3 (en) * 1985-04-26 1989-03-22 Hitachi, Ltd. Method for measuring holding field of a magnetic bubble memory module using picture-frame-core
US4734883A (en) * 1985-05-10 1988-03-29 The Singer Company Magnetic bubble memory purge and verification system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534347A (en) * 1968-05-28 1970-10-13 Bell Telephone Labor Inc Single wall domain propagation arrangement
US3602911A (en) * 1969-12-23 1971-08-31 Bell Telephone Labor Inc Single wall magnetic domain propagation arrangement

Also Published As

Publication number Publication date
DE2317520A1 (de) 1973-11-15
ZA732477B (en) 1974-02-27
DE2317520C3 (de) 1975-09-18
MY7500234A (en) 1975-12-31
FR2183797B1 (it) 1976-11-12
CH567322A5 (it) 1975-09-30
FR2183797A1 (it) 1973-12-21
GB1363058A (en) 1974-08-14
CA962365A (en) 1975-02-04
DE2317520B2 (de) 1975-02-06
US3744042A (en) 1973-07-03
IL42005A0 (en) 1973-06-29
IL42005A (en) 1975-05-22

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