JPS6010401A - 光磁気デイスク装置 - Google Patents

光磁気デイスク装置

Info

Publication number
JPS6010401A
JPS6010401A JP11925983A JP11925983A JPS6010401A JP S6010401 A JPS6010401 A JP S6010401A JP 11925983 A JP11925983 A JP 11925983A JP 11925983 A JP11925983 A JP 11925983A JP S6010401 A JPS6010401 A JP S6010401A
Authority
JP
Japan
Prior art keywords
medium
optical head
magnetic
magnetic circuit
magnetic field
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
JP11925983A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0370846B2 (enrdf_load_stackoverflow
Inventor
Yasuyuki Ozawa
靖之 小沢
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 JP11925983A priority Critical patent/JPS6010401A/ja
Publication of JPS6010401A publication Critical patent/JPS6010401A/ja
Publication of JPH0370846B2 publication Critical patent/JPH0370846B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording 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
    • G11B11/10Recording 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
    • G11B11/105Recording 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

  • Recording Or Reproducing By Magnetic Means (AREA)
JP11925983A 1983-06-30 1983-06-30 光磁気デイスク装置 Granted JPS6010401A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11925983A JPS6010401A (ja) 1983-06-30 1983-06-30 光磁気デイスク装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11925983A JPS6010401A (ja) 1983-06-30 1983-06-30 光磁気デイスク装置

Publications (2)

Publication Number Publication Date
JPS6010401A true JPS6010401A (ja) 1985-01-19
JPH0370846B2 JPH0370846B2 (enrdf_load_stackoverflow) 1991-11-11

Family

ID=14756900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11925983A Granted JPS6010401A (ja) 1983-06-30 1983-06-30 光磁気デイスク装置

Country Status (1)

Country Link
JP (1) JPS6010401A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61121523U (enrdf_load_stackoverflow) * 1985-01-17 1986-07-31
US4914643A (en) * 1986-11-20 1990-04-03 Ricoh Company, Ltd. Overwriting photomagnetic recording apparatus having single light source and fixed-field generator
JPH02105201U (enrdf_load_stackoverflow) * 1989-02-02 1990-08-21
JPH0315404U (enrdf_load_stackoverflow) * 1989-06-29 1991-02-15

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724047A (en) * 1980-07-21 1982-02-08 Matsushita Electric Ind Co Ltd Recorder and reproducer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724047A (en) * 1980-07-21 1982-02-08 Matsushita Electric Ind Co Ltd Recorder and reproducer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61121523U (enrdf_load_stackoverflow) * 1985-01-17 1986-07-31
US4914643A (en) * 1986-11-20 1990-04-03 Ricoh Company, Ltd. Overwriting photomagnetic recording apparatus having single light source and fixed-field generator
JPH02105201U (enrdf_load_stackoverflow) * 1989-02-02 1990-08-21
JPH0315404U (enrdf_load_stackoverflow) * 1989-06-29 1991-02-15

Also Published As

Publication number Publication date
JPH0370846B2 (enrdf_load_stackoverflow) 1991-11-11

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