BE791239A - Memoire magnetique - Google Patents

Memoire magnetique

Info

Publication number
BE791239A
BE791239A BE791239DA BE791239A BE 791239 A BE791239 A BE 791239A BE 791239D A BE791239D A BE 791239DA BE 791239 A BE791239 A BE 791239A
Authority
BE
Belgium
Prior art keywords
magnetic memory
magnetic
memory
Prior art date
Application number
Other languages
English (en)
Original Assignee
Philips Nv
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.)
Publication date
Publication of BE791239A publication Critical patent/BE791239A/fr

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
    • G09G3/02—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes by tracing or scanning a light beam on a screen
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements
BE791239D 1971-11-12 Memoire magnetique BE791239A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7115628A NL7115628A (fr) 1971-11-12 1971-11-12

Publications (1)

Publication Number Publication Date
BE791239A true BE791239A (fr) 1973-05-10

Family

ID=19814472

Family Applications (1)

Application Number Title Priority Date Filing Date
BE791239D BE791239A (fr) 1971-11-12 Memoire magnetique

Country Status (8)

Country Link
US (1) US3787825A (fr)
BE (1) BE791239A (fr)
CA (1) CA966581A (fr)
DE (1) DE2254046B2 (fr)
FR (1) FR2159521B1 (fr)
GB (1) GB1395592A (fr)
NL (1) NL7115628A (fr)
SE (1) SE376504B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791317A (fr) * 1971-11-13 1973-05-14 Philips Nv Memoire opto-magnetique
NL7203555A (fr) * 1972-03-17 1973-09-19
JPS5329415B2 (fr) * 1973-03-05 1978-08-21
US4040039A (en) * 1975-08-11 1977-08-02 Sperry Rand Corporation Single wall domain latrix for optical data processing system
IT1123608B (it) * 1975-08-11 1986-04-30 Sperry Rand Corp Matrice di transistori accessibile alla luce con domini a parete singola per un sistema ottico di elaborazione di dati
DE3483671D1 (de) * 1983-03-31 1991-01-10 Sony Corp Thermomagnetisches optisches aufzeichnungsverfahren.
JPS59180806A (ja) * 1983-03-31 1984-10-15 Sony Corp 熱磁気光記録方式におけるビツト移動方法
FR2574212B1 (fr) * 1984-11-30 1992-02-14 Canon Kk Procede d'enregistrement et/ou de reproduction pour une memoire a lignes de bloch
DE3607345A1 (de) * 1986-03-06 1987-09-10 Philips Patentverwaltung Magneto-optisches lichtschaltelement und verfahren zu seiner herstellung
DE3607346A1 (de) * 1986-03-06 1987-09-10 Philips Patentverwaltung Magneto-optisches lichtschaltelement und verfahren zu seiner herstellung
US4872078A (en) * 1986-04-24 1989-10-03 International Business Machines Corporation Method and apparatus for encoding and direct overwriting of magneto-optic data

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150356A (en) * 1961-12-22 1964-09-22 Ibm Magnetic patterns
US3164816A (en) * 1963-12-18 1965-01-05 Bell Telephone Labor Inc Magnetic-optical information storage unit and apparatus
GB1143836A (fr) * 1965-05-26
US3506974A (en) * 1967-04-11 1970-04-14 Bell Telephone Labor Inc Magnetic memory implementation
US3503054A (en) * 1967-10-12 1970-03-24 Bell Telephone Labor Inc Domain wall propagation in magnetic shefts
US3729724A (en) * 1971-06-08 1973-04-24 Ibm High-density magneto-optic readout apparatus
US3696346A (en) * 1971-08-30 1972-10-03 Honeywell Inc Beam addressed optical memory

Also Published As

Publication number Publication date
CA966581A (en) 1975-04-22
FR2159521B1 (fr) 1976-01-30
US3787825A (en) 1974-01-22
FR2159521A1 (fr) 1973-06-22
NL7115628A (fr) 1973-05-15
DE2254046A1 (de) 1973-05-17
DE2254046B2 (de) 1976-09-02
GB1395592A (en) 1975-05-29
SE376504B (fr) 1975-05-26

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