JPS59152503A - 光磁気記録装置 - Google Patents
光磁気記録装置Info
- Publication number
- JPS59152503A JPS59152503A JP58025495A JP2549583A JPS59152503A JP S59152503 A JPS59152503 A JP S59152503A JP 58025495 A JP58025495 A JP 58025495A JP 2549583 A JP2549583 A JP 2549583A JP S59152503 A JPS59152503 A JP S59152503A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording medium
- magnetic field
- magnetic circuit
- 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
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
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/10552—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base
- G11B11/10554—Arrangements of transducers relative to each other, e.g. coupled heads, optical and magnetic head on the same base the transducers being disposed on the same side of the carrier
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
- Optical Head (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58025495A JPS59152503A (ja) | 1983-02-19 | 1983-02-19 | 光磁気記録装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58025495A JPS59152503A (ja) | 1983-02-19 | 1983-02-19 | 光磁気記録装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59152503A true JPS59152503A (ja) | 1984-08-31 |
JPH0232692B2 JPH0232692B2 (fr) | 1990-07-23 |
Family
ID=12167637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58025495A Granted JPS59152503A (ja) | 1983-02-19 | 1983-02-19 | 光磁気記録装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59152503A (fr) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0115666A2 (fr) * | 1983-01-25 | 1984-08-15 | Sharp Kabushiki Kaisha | Positionnement de la focalisation optique dans un appareil à disque optique |
EP0122816A2 (fr) * | 1983-04-18 | 1984-10-24 | Sharp Kabushiki Kaisha | Positionnement de la focalisation optique dans un dispositif à mémoire optique |
JPS60170048A (ja) * | 1984-02-15 | 1985-09-03 | Hitachi Ltd | 光磁気記憶装置 |
JPS613504U (ja) * | 1984-06-14 | 1986-01-10 | ソニー株式会社 | 光磁気記録装置 |
JPS6417201A (en) * | 1987-07-09 | 1989-01-20 | Nec Corp | Electromagnet for impressing magnetic field for magneto-optical disk |
JPH01178104A (ja) * | 1988-01-05 | 1989-07-14 | Nec Corp | 光磁気ディスク用磁界印加電磁石 |
JPH01178106A (ja) * | 1988-01-06 | 1989-07-14 | Nec Corp | 光磁気ディスク用磁界印加装置 |
JPH01178107A (ja) * | 1988-01-08 | 1989-07-14 | Nec Corp | 光磁気ディスク用磁界印加装置 |
EP0383526A2 (fr) * | 1989-02-16 | 1990-08-22 | Minnesota Mining And Manufacturing Company | Système d'enregistrement magnéto-optique |
JPH0332731U (fr) * | 1989-08-08 | 1991-03-29 |
-
1983
- 1983-02-19 JP JP58025495A patent/JPS59152503A/ja active Granted
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0115666A2 (fr) * | 1983-01-25 | 1984-08-15 | Sharp Kabushiki Kaisha | Positionnement de la focalisation optique dans un appareil à disque optique |
EP0122816A2 (fr) * | 1983-04-18 | 1984-10-24 | Sharp Kabushiki Kaisha | Positionnement de la focalisation optique dans un dispositif à mémoire optique |
JPS60170048A (ja) * | 1984-02-15 | 1985-09-03 | Hitachi Ltd | 光磁気記憶装置 |
JPS613504U (ja) * | 1984-06-14 | 1986-01-10 | ソニー株式会社 | 光磁気記録装置 |
JPH0422403Y2 (fr) * | 1984-06-14 | 1992-05-22 | ||
JPS6417201A (en) * | 1987-07-09 | 1989-01-20 | Nec Corp | Electromagnet for impressing magnetic field for magneto-optical disk |
JPH01178104A (ja) * | 1988-01-05 | 1989-07-14 | Nec Corp | 光磁気ディスク用磁界印加電磁石 |
JPH01178106A (ja) * | 1988-01-06 | 1989-07-14 | Nec Corp | 光磁気ディスク用磁界印加装置 |
JPH01178107A (ja) * | 1988-01-08 | 1989-07-14 | Nec Corp | 光磁気ディスク用磁界印加装置 |
EP0383526A2 (fr) * | 1989-02-16 | 1990-08-22 | Minnesota Mining And Manufacturing Company | Système d'enregistrement magnéto-optique |
JPH0332731U (fr) * | 1989-08-08 | 1991-03-29 |
Also Published As
Publication number | Publication date |
---|---|
JPH0232692B2 (fr) | 1990-07-23 |
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