FR2215670B1 - - Google Patents

Info

Publication number
FR2215670B1
FR2215670B1 FR7402711A FR7402711A FR2215670B1 FR 2215670 B1 FR2215670 B1 FR 2215670B1 FR 7402711 A FR7402711 A FR 7402711A FR 7402711 A FR7402711 A FR 7402711A FR 2215670 B1 FR2215670 B1 FR 2215670B1
Authority
FR
France
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
FR7402711A
Other versions
FR2215670A1 (fr
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2215670A1 publication Critical patent/FR2215670A1/fr
Application granted granted Critical
Publication of FR2215670B1 publication Critical patent/FR2215670B1/fr
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")
    • 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
FR7402711A 1973-01-29 1974-01-28 Expired FR2215670B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US327625A US3887905A (en) 1973-01-29 1973-01-29 Magnetic domain shifting arrangement employing movable strip domain

Publications (2)

Publication Number Publication Date
FR2215670A1 FR2215670A1 (fr) 1974-08-23
FR2215670B1 true FR2215670B1 (fr) 1977-09-16

Family

ID=23277330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7402711A Expired FR2215670B1 (fr) 1973-01-29 1974-01-28

Country Status (16)

Country Link
US (1) US3887905A (fr)
JP (1) JPS5526555B2 (fr)
AR (1) AR201302A1 (fr)
AT (1) AT344423B (fr)
BE (1) BE810109A (fr)
BR (1) BR7400536D0 (fr)
CA (1) CA968884A (fr)
CH (1) CH577738A5 (fr)
DE (1) DE2403804A1 (fr)
DK (1) DK140911B (fr)
ES (1) ES422658A1 (fr)
FR (1) FR2215670B1 (fr)
GB (1) GB1453633A (fr)
IT (1) IT1004809B (fr)
NL (1) NL7400927A (fr)
SE (1) SE397425B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982234A (en) * 1974-07-01 1976-09-21 International Business Machines Corporation Hard-magnetic film overlay apparatus and method for magnetic mobile domain control
US4151602A (en) * 1975-04-02 1979-04-24 U.S. Philips Corporation Magnetic bubble multilayer arrangement
US4122538A (en) * 1976-08-02 1978-10-24 Sperry Rand Corporation Single wall domain, stripe domain memory plane
US4095279A (en) * 1977-04-08 1978-06-13 Sperry Rand Corporation Orthogonal potential well matrix and amplitude modulated bias field for bubble domain propagation
US4112503A (en) * 1977-04-08 1978-09-05 Sperry Rand Corporation Stripe domain propagation using contiguous bicore disk file structure
US4101972A (en) * 1977-05-20 1978-07-18 Sperry Rand Corporation Bubble domain propagation using oscillating stripe domains
US4172290A (en) * 1978-06-21 1979-10-23 International Business Machines Corporation Closed loop propagation pattern for bubble lattices
EP0106358B1 (fr) * 1982-10-18 1990-01-03 Nec Corporation Dispositif de mémoire magnétique pouvant mémoriser des informations dans une bande sous forme d'une paire de lignes Bloch verticales
US4974201A (en) * 1986-07-14 1990-11-27 Canon Kabushiki Kaisha Process for transferring bloch lines formed in a magnetic wall of a magnetic domain, and a magnetic memory apparatus for recording and reproduction of information by transferring bloch lines in utilizing said transferring process
US5172336A (en) * 1987-07-06 1992-12-15 Canon Kabushiki Kaisha Method of transferring Bloch lines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735145A (en) * 1970-10-16 1973-05-22 North American Rockwell Magnetic bubble domain system
US3701127A (en) * 1971-03-31 1972-10-24 Bell Telephone Labor Inc Magnetic domain propagation arrangement including medium with graded magnetic properties
US3676872A (en) * 1971-06-21 1972-07-11 Bell Canada Northern Electric Propagation of magnetic bubble domains
JPS5518981B2 (fr) * 1971-12-28 1980-05-22

Also Published As

Publication number Publication date
IT1004809B (it) 1976-07-20
FR2215670A1 (fr) 1974-08-23
DK140911B (da) 1979-12-03
NL7400927A (fr) 1974-07-31
AT344423B (de) 1978-07-25
JPS5526555B2 (fr) 1980-07-14
CA968884A (en) 1975-06-03
BE810109A (fr) 1974-05-16
DE2403804A1 (de) 1974-08-15
US3887905A (en) 1975-06-03
DK140911C (fr) 1980-05-19
CH577738A5 (fr) 1976-07-15
ES422658A1 (es) 1976-04-01
GB1453633A (en) 1976-10-27
JPS49107439A (fr) 1974-10-12
AU6481474A (en) 1975-07-24
SE397425B (sv) 1977-10-31
BR7400536D0 (pt) 1974-11-05
AR201302A1 (es) 1975-02-28
ATA55474A (de) 1977-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse