BE772169A - Procede et dispositif pour emmagasiner des informations dans une memoire magneto-optique - Google Patents

Procede et dispositif pour emmagasiner des informations dans une memoire magneto-optique

Info

Publication number
BE772169A
BE772169A BE772169A BE772169A BE772169A BE 772169 A BE772169 A BE 772169A BE 772169 A BE772169 A BE 772169A BE 772169 A BE772169 A BE 772169A BE 772169 A BE772169 A BE 772169A
Authority
BE
Belgium
Prior art keywords
magneto
storing information
optical memory
optical
memory
Prior art date
Application number
BE772169A
Other languages
English (en)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of BE772169A publication Critical patent/BE772169A/fr

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532—Heads
    • G11B11/10534—Heads for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording
    • G11B11/10536—Heads for recording by magnetising, demagnetising or transfer of magnetisation, by radiation, e.g. for thermomagnetic recording using thermic beams, e.g. lasers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
BE772169A 1970-09-03 1971-09-03 Procede et dispositif pour emmagasiner des informations dans une memoire magneto-optique BE772169A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702043766 DE2043766A1 (de) 1970-09-03 1970-09-03 Verfahren und Anordnung zum Speichern von Informationen in einem magnetooptischen Speicher

Publications (1)

Publication Number Publication Date
BE772169A true BE772169A (fr) 1972-03-03

Family

ID=5781515

Family Applications (1)

Application Number Title Priority Date Filing Date
BE772169A BE772169A (fr) 1970-09-03 1971-09-03 Procede et dispositif pour emmagasiner des informations dans une memoire magneto-optique

Country Status (7)

Country Link
US (1) US3739394A (fr)
BE (1) BE772169A (fr)
DE (1) DE2043766A1 (fr)
FR (1) FR2105209B1 (fr)
GB (1) GB1356980A (fr)
LU (1) LU63815A1 (fr)
NL (1) NL7111770A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2710166C2 (de) * 1977-03-09 1984-09-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Mechanisch adressierter optischer Speicher
US4794560A (en) * 1985-09-30 1988-12-27 International Business Machines Corporation Eraseable self biasing thermal magneto-optic medium
US4649519A (en) * 1985-09-30 1987-03-10 International Business Machines Corporation Self biasing thermal magneto-optic medium
JPS62162261A (ja) * 1986-01-10 1987-07-18 Hitachi Ltd 光磁気記録再生装置
US4962492A (en) * 1988-04-29 1990-10-09 Laser Magnetic Storage International Company Magneto-optic data recording system, actuating device therefor and method of providing same
US20040256304A1 (en) * 2001-01-19 2004-12-23 Perry Carlos V. Recirculating filter
FR3123033B1 (fr) 2021-05-19 2023-04-07 Psa Automobiles Sa Procédé et dispositif d’aide à la conduite d’un véhicule circulant sur une voie de circulation.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3164816A (en) * 1963-12-18 1965-01-05 Bell Telephone Labor Inc Magnetic-optical information storage unit and apparatus
US3426337A (en) * 1964-12-21 1969-02-04 Ibm Positioning system for random access device
US3495036A (en) * 1966-09-27 1970-02-10 Itt Line-illuminating apparatus and method for television
US3611415A (en) * 1968-04-25 1971-10-05 Magnavox Co Flatbed thermomagnetic facsimile system
US3626114A (en) * 1969-03-10 1971-12-07 California Inst Of Techn Thermomagnetic recording and magneto-optic playback system
US3631415A (en) * 1969-09-12 1971-12-28 Honeywell Inc Optical mass memory

Also Published As

Publication number Publication date
US3739394A (en) 1973-06-12
FR2105209A1 (fr) 1972-04-28
NL7111770A (fr) 1972-03-07
DE2043766A1 (de) 1972-03-09
FR2105209B1 (fr) 1974-05-10
LU63815A1 (fr) 1972-06-27
GB1356980A (en) 1974-06-19

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