FR2323209A1 - Generateur de domaines magnetiques a simple paroi du type a anneau d'alimentation a demi-frequence pour memoire a bulles magnetiques - Google Patents

Generateur de domaines magnetiques a simple paroi du type a anneau d'alimentation a demi-frequence pour memoire a bulles magnetiques

Info

Publication number
FR2323209A1
FR2323209A1 FR7626973A FR7626973A FR2323209A1 FR 2323209 A1 FR2323209 A1 FR 2323209A1 FR 7626973 A FR7626973 A FR 7626973A FR 7626973 A FR7626973 A FR 7626973A FR 2323209 A1 FR2323209 A1 FR 2323209A1
Authority
FR
France
Prior art keywords
field generator
ring type
single wall
magnetic field
bubble memory
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.)
Granted
Application number
FR7626973A
Other languages
English (en)
French (fr)
Other versions
FR2323209B1 (https=
Inventor
Leroy Joseph Kochel
Stanley James Lins
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 FR2323209A1 publication Critical patent/FR2323209A1/fr
Application granted granted Critical
Publication of FR2323209B1 publication Critical patent/FR2323209B1/fr
Granted 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")
FR7626973A 1975-09-08 1976-09-08 Generateur de domaines magnetiques a simple paroi du type a anneau d'alimentation a demi-frequence pour memoire a bulles magnetiques Granted FR2323209A1 (fr)

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 (2)

Publication Number Publication Date
FR2323209A1 true FR2323209A1 (fr) 1977-04-01
FR2323209B1 FR2323209B1 (https=) 1982-08-20

Family

ID=24447648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7626973A Granted FR2323209A1 (fr) 1975-09-08 1976-09-08 Generateur de domaines magnetiques a simple paroi du type a anneau d'alimentation a demi-frequence pour memoire a bulles magnetiques

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

Citations (2)

* 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
FR2198219A1 (https=) * 1972-09-02 1974-03-29 Philips Nv

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879585A (en) * 1974-02-20 1975-04-22 Bell Telephone Labor Inc Single wall domain memory arrangement

Patent Citations (2)

* 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
FR2198219A1 (https=) * 1972-09-02 1974-03-29 Philips Nv

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NV700/71 *

Also Published As

Publication number Publication date
FR2323209B1 (https=) 1982-08-20
IT1063488B (it) 1985-02-11
DE7628065U1 (de) 1977-04-14
US3988723A (en) 1976-10-26
JPS5255836A (en) 1977-05-07
GB1563926A (en) 1980-04-02
NL7609988A (nl) 1977-03-10

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Legal Events

Date Code Title Description
ST Notification of lapse