CA966581A - Magnetic memory with beam addressing - Google Patents

Magnetic memory with beam addressing

Info

Publication number
CA966581A
CA966581A CA156,299A CA156299A CA966581A CA 966581 A CA966581 A CA 966581A CA 156299 A CA156299 A CA 156299A CA 966581 A CA966581 A CA 966581A
Authority
CA
Canada
Prior art keywords
magnetic memory
beam addressing
addressing
magnetic
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.)
Expired
Application number
CA156,299A
Other languages
English (en)
Other versions
CA156299S (en
Inventor
Frederik A. De Jonge
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA966581A publication Critical patent/CA966581A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Thin Magnetic Films (AREA)
CA156,299A 1971-11-12 1972-11-14 Magnetic memory with beam addressing Expired CA966581A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA966581A true CA966581A (en) 1975-04-22

Family

ID=19814472

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,299A Expired CA966581A (en) 1971-11-12 1972-11-14 Magnetic memory with beam addressing

Country Status (8)

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

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 (de) * 1972-03-17 1973-09-19
JPS5329415B2 (de) * 1973-03-05 1978-08-21
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
US4040039A (en) * 1975-08-11 1977-08-02 Sperry Rand Corporation Single wall domain latrix for optical data processing system
WO1984003991A1 (en) * 1983-03-31 1984-10-11 Sony Corp Thermomagnetic optical recording method
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 (de) * 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
US3787825A (en) 1974-01-22
NL7115628A (de) 1973-05-15
DE2254046B2 (de) 1976-09-02
BE791239A (fr) 1973-05-10
SE376504B (de) 1975-05-26
DE2254046A1 (de) 1973-05-17
FR2159521A1 (de) 1973-06-22
GB1395592A (en) 1975-05-29
FR2159521B1 (de) 1976-01-30

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