JPH01113831U - - Google Patents
Info
- Publication number
- JPH01113831U JPH01113831U JP1988007962U JP796288U JPH01113831U JP H01113831 U JPH01113831 U JP H01113831U JP 1988007962 U JP1988007962 U JP 1988007962U JP 796288 U JP796288 U JP 796288U JP H01113831 U JPH01113831 U JP H01113831U
- Authority
- JP
- Japan
- Prior art keywords
- magneto
- optical disk
- magnetic field
- cartridge
- applying means
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000004907 flux Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/04—Feeding or guiding single record carrier to or from transducer unit
- G11B17/041—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs contained within cartridges
-
- 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
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988007962U JPH0643854Y2 (ja) | 1988-01-25 | 1988-01-25 | 光磁気ディスク装置 |
| US07/226,905 US4901303A (en) | 1988-01-25 | 1988-08-01 | Photo-electro-magnetic disc device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988007962U JPH0643854Y2 (ja) | 1988-01-25 | 1988-01-25 | 光磁気ディスク装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01113831U true JPH01113831U (US20100170793A1-20100708-C00006.png) | 1989-07-31 |
| JPH0643854Y2 JPH0643854Y2 (ja) | 1994-11-14 |
Family
ID=11680103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988007962U Expired - Lifetime JPH0643854Y2 (ja) | 1988-01-25 | 1988-01-25 | 光磁気ディスク装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4901303A (US20100170793A1-20100708-C00006.png) |
| JP (1) | JPH0643854Y2 (US20100170793A1-20100708-C00006.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5034933A (en) * | 1989-03-10 | 1991-07-23 | Sony Corporation | Magneto-optical recording apparatus |
| EP0464674A3 (en) * | 1990-06-29 | 1992-07-08 | Sony Corporation | Magneto-optical disc |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4610009A (en) * | 1983-05-23 | 1986-09-02 | Xerox Corporation | Writing, erasing and readout system for a magneto-optic recording medium |
| JPS61284801A (ja) * | 1985-06-10 | 1986-12-15 | Matsushita Electric Ind Co Ltd | 光磁気記録再生装置 |
| US4843600A (en) * | 1985-09-13 | 1989-06-27 | Canon Kabushiki Kaisha | Recording head for magneto-optical information recording apparatus |
| 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 |
| JPS63206937A (ja) * | 1987-02-24 | 1988-08-26 | Fujitsu Ltd | 光磁気情報記録装置 |
-
1988
- 1988-01-25 JP JP1988007962U patent/JPH0643854Y2/ja not_active Expired - Lifetime
- 1988-08-01 US US07/226,905 patent/US4901303A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US4901303A (en) | 1990-02-13 |
| JPH0643854Y2 (ja) | 1994-11-14 |
