JPH0581977B2 - - Google Patents

Info

Publication number
JPH0581977B2
JPH0581977B2 JP57191281A JP19128182A JPH0581977B2 JP H0581977 B2 JPH0581977 B2 JP H0581977B2 JP 57191281 A JP57191281 A JP 57191281A JP 19128182 A JP19128182 A JP 19128182A JP H0581977 B2 JPH0581977 B2 JP H0581977B2
Authority
JP
Japan
Prior art keywords
information
light
magneto
signal
optical
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 - Lifetime
Application number
JP57191281A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5982646A (ja
Inventor
Toshihisa Deguchi
Tetsuya Inui
Yoshikazu Fujii
Hideyoshi Yamaoka
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP57191281A priority Critical patent/JPS5982646A/ja
Publication of JPS5982646A publication Critical patent/JPS5982646A/ja
Publication of JPH0581977B2 publication Critical patent/JPH0581977B2/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

Landscapes

  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP57191281A 1982-10-29 1982-10-29 光磁気記憶装置 Granted JPS5982646A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57191281A JPS5982646A (ja) 1982-10-29 1982-10-29 光磁気記憶装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57191281A JPS5982646A (ja) 1982-10-29 1982-10-29 光磁気記憶装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2401011A Division JPH04102248A (ja) 1990-12-10 1990-12-10 光磁気記憶装置

Publications (2)

Publication Number Publication Date
JPS5982646A JPS5982646A (ja) 1984-05-12
JPH0581977B2 true JPH0581977B2 (en:Method) 1993-11-17

Family

ID=16271944

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57191281A Granted JPS5982646A (ja) 1982-10-29 1982-10-29 光磁気記憶装置

Country Status (1)

Country Link
JP (1) JPS5982646A (en:Method)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60129954A (ja) * 1983-12-19 1985-07-11 Matsushita Electric Ind Co Ltd 光磁気デイスクレコ−ダ
JPH0664765B2 (ja) * 1984-06-29 1994-08-22 株式会社日立製作所 情報記録再生装置
JPS6185653A (ja) * 1984-10-02 1986-05-01 Sharp Corp 光磁気メモリ素子
JPH0664767B2 (ja) * 1984-10-12 1994-08-22 株式会社東芝 光情報記録方法及び光情報記録装置
JPS6260147A (ja) * 1985-09-11 1987-03-16 Matsushita Electric Ind Co Ltd 光磁気デイスク
JPS6379255A (ja) * 1986-06-10 1988-04-09 Nec Home Electronics Ltd 光磁気記録再生装置
JPS63102031U (en:Method) * 1986-12-22 1988-07-02
JPH0329138A (ja) * 1990-04-13 1991-02-07 Sanyo Electric Co Ltd 情報読取装置
JPH04102248A (ja) * 1990-12-10 1992-04-03 Sharp Corp 光磁気記憶装置
JP2566111B2 (ja) * 1994-01-31 1996-12-25 シャープ株式会社 光磁気メモリ素子
WO2003077250A1 (fr) * 2002-03-08 2003-09-18 Sony Corporation Support d'enregistrement et dispositif de reproduction associe, procede de reproduction, appareil destine a la fabrication de ce support d'enregistrement, procede de fabrication de ce support d'enregistrement et dispositif d'enregistrement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5788540A (en) * 1980-11-21 1982-06-02 Olympus Optical Co Ltd Method and apparatus for information read-in of optical magnetic recording medium
JPS57117106A (en) * 1981-01-09 1982-07-21 Olympus Optical Co Ltd Optical magnetic recording and reproducing method

Also Published As

Publication number Publication date
JPS5982646A (ja) 1984-05-12

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