FR2251883B1 - - Google Patents
Info
- Publication number
- FR2251883B1 FR2251883B1 FR7437735A FR7437735A FR2251883B1 FR 2251883 B1 FR2251883 B1 FR 2251883B1 FR 7437735 A FR7437735 A FR 7437735A FR 7437735 A FR7437735 A FR 7437735A FR 2251883 B1 FR2251883 B1 FR 2251883B1
- 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
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- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2357301A DE2357301C3 (de) | 1973-11-16 | 1973-11-16 | Anordnung für Licht- und/oder wärmegesteuerte magnetooptische Speicher |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2251883A1 FR2251883A1 (fr) | 1975-06-13 |
FR2251883B1 true FR2251883B1 (fr) | 1981-06-12 |
Family
ID=5898311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7437735A Expired FR2251883B1 (fr) | 1973-11-16 | 1974-11-15 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3944992A (fr) |
JP (1) | JPS5420297B2 (fr) |
CA (1) | CA1033062A (fr) |
DE (1) | DE2357301C3 (fr) |
FR (1) | FR2251883B1 (fr) |
GB (1) | GB1483775A (fr) |
NL (1) | NL7414707A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2710166C2 (de) * | 1977-03-09 | 1984-09-13 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Mechanisch adressierter optischer Speicher |
DE2812206A1 (de) * | 1978-03-20 | 1979-10-04 | Philips Patentverwaltung | Optischer drucker |
FR2588406B1 (fr) * | 1985-10-04 | 1994-03-25 | Thomson Csf | Tete d'enregistrement thermomagnetique et procede de realisation |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3445826A (en) * | 1966-01-03 | 1969-05-20 | Ibm | Electro-optic storage device |
US3631415A (en) * | 1969-09-12 | 1971-12-28 | Honeywell Inc | Optical mass memory |
US3781905A (en) * | 1972-09-22 | 1973-12-25 | Honeywell Inc | Optical mass memory |
US3859643A (en) * | 1973-11-14 | 1975-01-07 | Corning Glass Works | Optical sensing of cylindrical magnetic domains |
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1973
- 1973-11-16 DE DE2357301A patent/DE2357301C3/de not_active Expired
-
1974
- 1974-11-04 US US05/520,533 patent/US3944992A/en not_active Expired - Lifetime
- 1974-11-12 NL NL7414707A patent/NL7414707A/xx not_active Application Discontinuation
- 1974-11-13 CA CA213,554A patent/CA1033062A/fr not_active Expired
- 1974-11-13 GB GB49110/74A patent/GB1483775A/en not_active Expired
- 1974-11-14 JP JP13056174A patent/JPS5420297B2/ja not_active Expired
- 1974-11-15 FR FR7437735A patent/FR2251883B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3944992A (en) | 1976-03-16 |
JPS5420297B2 (fr) | 1979-07-21 |
GB1483775A (en) | 1977-08-24 |
DE2357301C3 (de) | 1978-09-07 |
JPS5081642A (fr) | 1975-07-02 |
NL7414707A (nl) | 1975-05-21 |
CA1033062A (fr) | 1978-06-13 |
FR2251883A1 (fr) | 1975-06-13 |
DE2357301B2 (de) | 1977-12-29 |
DE2357301A1 (de) | 1975-05-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |