JPS5637839A - Magnetooptical reproducing device - Google Patents
Magnetooptical reproducing deviceInfo
- Publication number
- JPS5637839A JPS5637839A JP11062479A JP11062479A JPS5637839A JP S5637839 A JPS5637839 A JP S5637839A JP 11062479 A JP11062479 A JP 11062479A JP 11062479 A JP11062479 A JP 11062479A JP S5637839 A JPS5637839 A JP S5637839A
- Authority
- JP
- Japan
- Prior art keywords
- film
- magnetic
- medium
- laser light
- recording medium
- 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
Links
- 239000010408 film Substances 0.000 abstract 8
- 230000035699 permeability Effects 0.000 abstract 2
- 239000010409 thin film Substances 0.000 abstract 2
- 230000035897 transcription Effects 0.000 abstract 2
- 238000013518 transcription Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000002223 garnet Substances 0.000 abstract 1
- 229910000889 permalloy Inorganic materials 0.000 abstract 1
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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11062479A JPS5637839A (en) | 1979-08-30 | 1979-08-30 | Magnetooptical reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11062479A JPS5637839A (en) | 1979-08-30 | 1979-08-30 | Magnetooptical reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5637839A true JPS5637839A (en) | 1981-04-11 |
| JPH028380B2 JPH028380B2 (enrdf_load_stackoverflow) | 1990-02-23 |
Family
ID=14540493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11062479A Granted JPS5637839A (en) | 1979-08-30 | 1979-08-30 | Magnetooptical reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5637839A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6139956A (ja) * | 1984-07-31 | 1986-02-26 | Nippon Hoso Kyokai <Nhk> | 磁気−光ヘツド |
| JPS61184582U (enrdf_load_stackoverflow) * | 1985-05-07 | 1986-11-18 | ||
| US6396774B1 (en) | 1998-10-28 | 2002-05-28 | Fujitsu Limited | Information reproducing device, information recording/reproducing head, and information reproducing method utilizing mono-magnetic domain structure |
-
1979
- 1979-08-30 JP JP11062479A patent/JPS5637839A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6139956A (ja) * | 1984-07-31 | 1986-02-26 | Nippon Hoso Kyokai <Nhk> | 磁気−光ヘツド |
| JPS61184582U (enrdf_load_stackoverflow) * | 1985-05-07 | 1986-11-18 | ||
| US6396774B1 (en) | 1998-10-28 | 2002-05-28 | Fujitsu Limited | Information reproducing device, information recording/reproducing head, and information reproducing method utilizing mono-magnetic domain structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH028380B2 (enrdf_load_stackoverflow) | 1990-02-23 |
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