DD97505A1 - - Google Patents

Info

Publication number
DD97505A1
DD97505A1 DD16014571A DD16014571A DD97505A1 DD 97505 A1 DD97505 A1 DD 97505A1 DD 16014571 A DD16014571 A DD 16014571A DD 16014571 A DD16014571 A DD 16014571A DD 97505 A1 DD97505 A1 DD 97505A1
Authority
DD
German Democratic Republic
Application number
DD16014571A
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 filed Critical
Priority to DD16014571A priority Critical patent/DD97505A1/xx
Priority to DE19722235574 priority patent/DE2235574A1/en
Publication of DD97505A1 publication Critical patent/DD97505A1/xx

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
    • G11B11/10502—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 characterised by the transducing operation to be executed
    • G11B11/10504—Recording
    • 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
    • G11B11/10584—Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements
DD16014571A 1971-12-31 1971-12-31 DD97505A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DD16014571A DD97505A1 (en) 1971-12-31 1971-12-31
DE19722235574 DE2235574A1 (en) 1971-12-31 1972-07-20 METHOD OF REVERSIBLE OPTICAL STORAGE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD16014571A DD97505A1 (en) 1971-12-31 1971-12-31

Publications (1)

Publication Number Publication Date
DD97505A1 true DD97505A1 (en) 1973-05-14

Family

ID=5484951

Family Applications (1)

Application Number Title Priority Date Filing Date
DD16014571A DD97505A1 (en) 1971-12-31 1971-12-31

Country Status (2)

Country Link
DD (1) DD97505A1 (en)
DE (1) DE2235574A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1185013A (en) * 1981-01-14 1985-04-02 Kenji Ohta Magneto-optic memory medium
US4616237A (en) * 1982-09-27 1986-10-07 Pa Management Consultants, Ltd. Data storage medium
WO1984002420A1 (en) * 1982-12-06 1984-06-21 Comtech Res Unit Image forming and data storage
WO1984002419A1 (en) * 1982-12-06 1984-06-21 Comtech Res Unit Improvements relating to data storage and recording
WO1984004420A1 (en) * 1983-04-28 1984-11-08 Comtech Res Unit Data storage and recording

Also Published As

Publication number Publication date
DE2235574A1 (en) 1973-07-12

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