FR2191197B3 - - Google Patents
Info
- Publication number
- FR2191197B3 FR2191197B3 FR7311264A FR7311264A FR2191197B3 FR 2191197 B3 FR2191197 B3 FR 2191197B3 FR 7311264 A FR7311264 A FR 7311264A FR 7311264 A FR7311264 A FR 7311264A FR 2191197 B3 FR2191197 B3 FR 2191197B3
- Authority
- FR
- France
- 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
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
- G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD16410572A DD98782A1 (en) | 1972-06-27 | 1972-06-27 | |
DD16499672A DD99473A1 (en) | 1972-08-10 | 1972-08-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2191197A1 FR2191197A1 (en) | 1974-02-01 |
FR2191197B3 true FR2191197B3 (en) | 1976-03-19 |
Family
ID=25747467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7311264A Expired FR2191197B3 (en) | 1972-06-27 | 1973-03-29 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2303520A1 (en) |
FR (1) | FR2191197B3 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414650A (en) * | 1980-06-23 | 1983-11-08 | Sharp Kabushiki Kaisha | Magneto-optic memory element |
CA1185013A (en) * | 1981-01-14 | 1985-04-02 | Kenji Ohta | Magneto-optic memory medium |
US4649451A (en) * | 1982-09-27 | 1987-03-10 | Canon Kabushiki Kaisha | Magneto-optical recording medium having alternately-layered high and low refractive index layers |
EP0319636B1 (en) * | 1982-12-15 | 1993-03-31 | Sharp Kabushiki Kaisha | Magneto-optic memory device |
EP0316508B1 (en) * | 1982-12-15 | 1993-03-31 | Sharp Kabushiki Kaisha | Magneto-optic memory device |
EP0314859B1 (en) * | 1982-12-15 | 1993-06-30 | Sharp Kabushiki Kaisha | Magneto-optic memory device |
DE3382791T2 (en) * | 1982-12-15 | 1995-12-07 | Sharp Kk | Magneto-optical memory. |
EP0126565B1 (en) * | 1983-04-28 | 1987-09-02 | Plasmon Data Systems N.V. | Improvements relating to data storage and recording |
JPS59227056A (en) * | 1983-06-07 | 1984-12-20 | Canon Inc | Photomagnetic recording medium |
-
1973
- 1973-01-25 DE DE19732303520 patent/DE2303520A1/en active Pending
- 1973-03-29 FR FR7311264A patent/FR2191197B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2303520A1 (en) | 1974-01-10 |
FR2191197A1 (en) | 1974-02-01 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |