DE69318517T2 - Vorrichtung zum magnetooptischen Lesen/Schreiben - Google Patents
Vorrichtung zum magnetooptischen Lesen/SchreibenInfo
- Publication number
- DE69318517T2 DE69318517T2 DE69318517T DE69318517T DE69318517T2 DE 69318517 T2 DE69318517 T2 DE 69318517T2 DE 69318517 T DE69318517 T DE 69318517T DE 69318517 T DE69318517 T DE 69318517T DE 69318517 T2 DE69318517 T2 DE 69318517T2
- Authority
- DE
- Germany
- Prior art keywords
- magneto
- writing device
- optical reading
- reading
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
-
- 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
- G11B11/10595—Control of operating function
- G11B11/10597—Adaptations for transducing various formats on the same or different carriers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92203586 | 1992-11-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69318517D1 DE69318517D1 (de) | 1998-06-18 |
DE69318517T2 true DE69318517T2 (de) | 1998-11-26 |
Family
ID=8211061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69318517T Expired - Fee Related DE69318517T2 (de) | 1992-11-20 | 1993-11-16 | Vorrichtung zum magnetooptischen Lesen/Schreiben |
Country Status (6)
Country | Link |
---|---|
US (1) | US5365508A (de) |
EP (1) | EP0599387B1 (de) |
JP (1) | JPH0773533A (de) |
KR (1) | KR100286068B1 (de) |
DE (1) | DE69318517T2 (de) |
SG (1) | SG44657A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69615474T2 (de) * | 1995-01-31 | 2002-05-08 | Sony Corp | Detektionsschaltung für ein optisches signal |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58215736A (ja) * | 1982-06-07 | 1983-12-15 | Pioneer Electronic Corp | 光学式記録情報読取装置におけるサ−ボ装置 |
JPH07105081B2 (ja) * | 1985-01-23 | 1995-11-13 | 株式会社日立製作所 | 光磁気ディスク装置及びその情報処理方法 |
US4833662A (en) * | 1985-05-02 | 1989-05-23 | Olympus Optical Co., Ltd. | Reproduction apparatus for a magneto-optical recording medium |
JPH071560B2 (ja) * | 1985-09-20 | 1995-01-11 | オリンパス光学工業株式会社 | 光学式記録再生装置 |
JPH0777048B2 (ja) * | 1987-06-26 | 1995-08-16 | 三菱電機株式会社 | 記録媒体駆動装置 |
JP2655682B2 (ja) * | 1988-06-08 | 1997-09-24 | 株式会社日立製作所 | 光磁気情報記録再生装置 |
JP2886200B2 (ja) * | 1989-09-26 | 1999-04-26 | シャープ株式会社 | 光磁気記録再生装置 |
-
1993
- 1993-11-16 EP EP93203199A patent/EP0599387B1/de not_active Expired - Lifetime
- 1993-11-16 DE DE69318517T patent/DE69318517T2/de not_active Expired - Fee Related
- 1993-11-16 SG SG1996005152A patent/SG44657A1/en unknown
- 1993-11-17 JP JP5288202A patent/JPH0773533A/ja not_active Ceased
- 1993-11-18 US US07/154,133 patent/US5365508A/en not_active Expired - Fee Related
- 1993-11-19 KR KR1019930024704A patent/KR100286068B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH0773533A (ja) | 1995-03-17 |
KR940012278A (ko) | 1994-06-23 |
SG44657A1 (en) | 1997-12-19 |
KR100286068B1 (ko) | 2001-04-16 |
DE69318517D1 (de) | 1998-06-18 |
EP0599387A1 (de) | 1994-06-01 |
US5365508A (en) | 1994-11-15 |
EP0599387B1 (de) | 1998-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
8339 | Ceased/non-payment of the annual fee |