JPS506771B1 - - Google Patents

Info

Publication number
JPS506771B1
JPS506771B1 JP45092448A JP9244870A JPS506771B1 JP S506771 B1 JPS506771 B1 JP S506771B1 JP 45092448 A JP45092448 A JP 45092448A JP 9244870 A JP9244870 A JP 9244870A JP S506771 B1 JPS506771 B1 JP S506771B1
Authority
JP
Japan
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.)
Pending
Application number
JP45092448A
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
Publication of JPS506771B1 publication Critical patent/JPS506771B1/ja
Pending legal-status Critical Current

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
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
    • G11B11/10547—Heads for reproducing using optical beam of radiation interacting with the magnetisation of an intermediate transfer element, e.g. magnetic film, included in the head
    • 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
    • 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
JP45092448A 1969-12-15 1970-10-22 Pending JPS506771B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88488069A 1969-12-15 1969-12-15

Publications (1)

Publication Number Publication Date
JPS506771B1 true JPS506771B1 (ja) 1975-03-18

Family

ID=25385619

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45092448A Pending JPS506771B1 (ja) 1969-12-15 1970-10-22

Country Status (6)

Country Link
US (1) US3668671A (ja)
JP (1) JPS506771B1 (ja)
CA (1) CA922801A (ja)
DE (1) DE2055911A1 (ja)
FR (1) FR2071761A5 (ja)
GB (1) GB1316448A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101947A (en) * 1976-10-04 1978-07-18 Eastman Kodak Company Narrow track magnetic-head recorder
JPS57158004A (en) * 1981-03-24 1982-09-29 Toshiba Corp Magnetic transfer recorder
US4562502A (en) * 1982-04-28 1985-12-31 Tdk Corporation Optical reproducing system
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL276507A (ja) * 1961-04-03
US3513457A (en) * 1962-12-12 1970-05-19 Magnavox Co Magneto-optical transducing system
US3475738A (en) * 1966-05-26 1969-10-28 Ibm Magneto-optical data storage

Also Published As

Publication number Publication date
US3668671A (en) 1972-06-06
DE2055911A1 (ja) 1971-06-16
FR2071761A5 (ja) 1971-09-17
GB1316448A (en) 1973-05-09
CA922801A (en) 1973-03-13

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