JPH043575B2 - - Google Patents
Info
- Publication number
- JPH043575B2 JPH043575B2 JP58008651A JP865183A JPH043575B2 JP H043575 B2 JPH043575 B2 JP H043575B2 JP 58008651 A JP58008651 A JP 58008651A JP 865183 A JP865183 A JP 865183A JP H043575 B2 JPH043575 B2 JP H043575B2
- Authority
- JP
- Japan
- Prior art keywords
- light beam
- light
- reflected
- recording medium
- polarization
- 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
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
- G11B11/10532—Heads
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP865183A JPS59135646A (ja) | 1983-01-24 | 1983-01-24 | 磁気光学的情報再生方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP865183A JPS59135646A (ja) | 1983-01-24 | 1983-01-24 | 磁気光学的情報再生方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59135646A JPS59135646A (ja) | 1984-08-03 |
| JPH043575B2 true JPH043575B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-01-23 |
Family
ID=11698837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP865183A Granted JPS59135646A (ja) | 1983-01-24 | 1983-01-24 | 磁気光学的情報再生方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59135646A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6145439A (ja) * | 1984-08-08 | 1986-03-05 | Canon Inc | 光信号読取り法および装置 |
| JP2641422B2 (ja) * | 1985-04-09 | 1997-08-13 | 松下電器産業株式会社 | 光学式再生装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57111843A (en) * | 1980-12-27 | 1982-07-12 | Canon Inc | Vertical magnetic reading optical system |
| JPS58149025A (ja) * | 1982-03-02 | 1983-09-05 | Nec Corp | 光ヘテロダイン・ホモダイン検波装置 |
-
1983
- 1983-01-24 JP JP865183A patent/JPS59135646A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59135646A (ja) | 1984-08-03 |