GB1432653A - Magnetic bubble devices - Google Patents

Magnetic bubble devices

Info

Publication number
GB1432653A
GB1432653A GB4083273A GB4083273A GB1432653A GB 1432653 A GB1432653 A GB 1432653A GB 4083273 A GB4083273 A GB 4083273A GB 4083273 A GB4083273 A GB 4083273A GB 1432653 A GB1432653 A GB 1432653A
Authority
GB
United Kingdom
Prior art keywords
domains
domain
path
paths
driven
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
GB4083273A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1432653A publication Critical patent/GB1432653A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • 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
    • G11C19/0833—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 magnetic domain interaction
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/16—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using saturable magnetic devices
    • H03K19/168—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using saturable magnetic devices using thin-film devices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Image Input (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
GB4083273A 1972-09-02 1973-08-30 Magnetic bubble devices Expired GB1432653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7212008A NL7212008A (https=) 1972-09-02 1972-09-02

Publications (1)

Publication Number Publication Date
GB1432653A true GB1432653A (en) 1976-04-22

Family

ID=19816857

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4083273A Expired GB1432653A (en) 1972-09-02 1973-08-30 Magnetic bubble devices

Country Status (8)

Country Link
JP (1) JPS522250B2 (https=)
BE (1) BE804337A (https=)
CA (1) CA963154A (https=)
DE (1) DE2341425C3 (https=)
FR (1) FR2198219B1 (https=)
GB (1) GB1432653A (https=)
NL (1) NL7212008A (https=)
SE (1) SE394155B (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988723A (en) * 1975-09-08 1976-10-26 Sperry Rand Corporation Half-frequency feed ring generator of single wall domains
JPS58196090A (ja) * 1982-05-12 1983-11-15 沖電気工業株式会社 プリント基板

Also Published As

Publication number Publication date
BE804337A (fr) 1974-02-28
FR2198219A1 (https=) 1974-03-29
DE2341425C3 (de) 1979-05-03
CA963154A (en) 1975-02-18
JPS522250B2 (https=) 1977-01-20
FR2198219B1 (https=) 1978-04-14
DE2341425A1 (de) 1974-03-07
SE394155B (sv) 1977-06-06
DE2341425B2 (https=) 1978-08-17
JPS4965741A (https=) 1974-06-26
NL7212008A (https=) 1974-03-05

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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