JPS607636A - 光磁気記録再生方式 - Google Patents

光磁気記録再生方式

Info

Publication number
JPS607636A
JPS607636A JP11672183A JP11672183A JPS607636A JP S607636 A JPS607636 A JP S607636A JP 11672183 A JP11672183 A JP 11672183A JP 11672183 A JP11672183 A JP 11672183A JP S607636 A JPS607636 A JP S607636A
Authority
JP
Japan
Prior art keywords
magneto
light beam
medium layer
optical medium
signals
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.)
Granted
Application number
JP11672183A
Other languages
English (en)
Japanese (ja)
Other versions
JPH053666B2 (enrdf_load_stackoverflow
Inventor
Akio Nimata
彰男 二俣
Junichi Ichihara
市原　順一
Akira Minami
彰 南
Shigeru Arai
茂 荒井
Masaharu Moritsugu
森次　政春
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP11672183A priority Critical patent/JPS607636A/ja
Publication of JPS607636A publication Critical patent/JPS607636A/ja
Publication of JPH053666B2 publication Critical patent/JPH053666B2/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
    • 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
JP11672183A 1983-06-27 1983-06-27 光磁気記録再生方式 Granted JPS607636A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11672183A JPS607636A (ja) 1983-06-27 1983-06-27 光磁気記録再生方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11672183A JPS607636A (ja) 1983-06-27 1983-06-27 光磁気記録再生方式

Publications (2)

Publication Number Publication Date
JPS607636A true JPS607636A (ja) 1985-01-16
JPH053666B2 JPH053666B2 (enrdf_load_stackoverflow) 1993-01-18

Family

ID=14694162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11672183A Granted JPS607636A (ja) 1983-06-27 1983-06-27 光磁気記録再生方式

Country Status (1)

Country Link
JP (1) JPS607636A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5293372A (en) * 1990-07-13 1994-03-08 Kabushiki Kaisha Toshiba Apparatus for optically recording and reproducing information from an optical recording medium
US5341355A (en) * 1988-05-20 1994-08-23 Ricoh Company, Ltd. Multibeam optical pickup and servo method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5341355A (en) * 1988-05-20 1994-08-23 Ricoh Company, Ltd. Multibeam optical pickup and servo method thereof
US5293372A (en) * 1990-07-13 1994-03-08 Kabushiki Kaisha Toshiba Apparatus for optically recording and reproducing information from an optical recording medium

Also Published As

Publication number Publication date
JPH053666B2 (enrdf_load_stackoverflow) 1993-01-18

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