JPH0140410B2 - - Google Patents

Info

Publication number
JPH0140410B2
JPH0140410B2 JP8443080A JP8443080A JPH0140410B2 JP H0140410 B2 JPH0140410 B2 JP H0140410B2 JP 8443080 A JP8443080 A JP 8443080A JP 8443080 A JP8443080 A JP 8443080A JP H0140410 B2 JPH0140410 B2 JP H0140410B2
Authority
JP
Japan
Prior art keywords
magnetic
film
signal
soft magnetic
soft
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
JP8443080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5712427A (en
Inventor
Hideki Matsuda
Toshiro Yamada
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP8443080A priority Critical patent/JPS5712427A/ja
Publication of JPS5712427A publication Critical patent/JPS5712427A/ja
Publication of JPH0140410B2 publication Critical patent/JPH0140410B2/ja
Granted 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
JP8443080A 1980-06-20 1980-06-20 Reading device of magnetic record signal Granted JPS5712427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8443080A JPS5712427A (en) 1980-06-20 1980-06-20 Reading device of magnetic record signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8443080A JPS5712427A (en) 1980-06-20 1980-06-20 Reading device of magnetic record signal

Publications (2)

Publication Number Publication Date
JPS5712427A JPS5712427A (en) 1982-01-22
JPH0140410B2 true JPH0140410B2 (fr) 1989-08-29

Family

ID=13830362

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8443080A Granted JPS5712427A (en) 1980-06-20 1980-06-20 Reading device of magnetic record signal

Country Status (1)

Country Link
JP (1) JPS5712427A (fr)

Also Published As

Publication number Publication date
JPS5712427A (en) 1982-01-22

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