NL278624A - - Google Patents
Info
- Publication number
- NL278624A NL278624A NL278624DA NL278624A NL 278624 A NL278624 A NL 278624A NL 278624D A NL278624D A NL 278624DA NL 278624 A NL278624 A NL 278624A
- Authority
- NL
- Netherlands
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
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- 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
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US111267A US3228015A (en) | 1961-05-19 | 1961-05-19 | Magneto-optic recording system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL278624A true NL278624A (es) |
Family
ID=22337496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL278624D NL278624A (es) | 1961-05-19 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3228015A (es) |
| CH (1) | CH392618A (es) |
| DE (1) | DE1292191B (es) |
| GB (1) | GB939504A (es) |
| NL (1) | NL278624A (es) |
| SE (1) | SE317713B (es) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3284785A (en) * | 1963-07-16 | 1966-11-08 | Ibm | Magneto-optic readout detector |
| US3421154A (en) * | 1965-08-09 | 1969-01-07 | Bell Telephone Labor Inc | Optical memory system |
| US3465322A (en) * | 1966-06-20 | 1969-09-02 | Ibm | Transducer utilizing electro-optic effect |
| US3508226A (en) * | 1967-11-29 | 1970-04-21 | Sperry Rand Corp | Controlled magnetic easy axis dispersion in magnetizable elements |
| US3590249A (en) * | 1968-10-02 | 1971-06-29 | Ibm | Optical read system |
| US3573767A (en) * | 1968-11-27 | 1971-04-06 | Gen Electric | Electron beam readout of magnetic storage disc |
| US5175725A (en) * | 1972-08-25 | 1992-12-29 | Thomson-Csf | Optical disk arrangement with closed contours whose entire extent represents information |
| US5182743A (en) * | 1972-08-25 | 1993-01-26 | Thomson-Csf | Optical disk arrangement with diffractive tracks allowing positional control |
| FR2197495A5 (es) * | 1972-08-25 | 1974-03-22 | Thomson Csf | |
| US4424580A (en) * | 1981-05-06 | 1984-01-03 | Precision Echo | Method and apparatus for generating electron spin reversal in ferrimagnetic material |
| US4569881A (en) * | 1983-05-17 | 1986-02-11 | Minnesota Mining And Manufacturing Company | Multi-layer amorphous magneto optical recording medium |
| DE3665372D1 (en) * | 1985-05-31 | 1989-10-05 | Siemens Ag | Optical system for guiding the read-out beam in a magneto-optical memory |
| EP0330507A3 (en) * | 1988-02-26 | 1990-07-04 | Sumitomo Metal Industries, Ltd. | Magneto-optic recording and regenerating process, device using same and magneto-optic disk |
| US4962492A (en) * | 1988-04-29 | 1990-10-09 | Laser Magnetic Storage International Company | Magneto-optic data recording system, actuating device therefor and method of providing same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3030612A (en) * | 1956-12-07 | 1962-04-17 | Sperry Rand Corp | Magnetic apparatus and methods |
| NL224830A (es) * | 1957-06-12 | |||
| NL233342A (es) * | 1957-11-18 | |||
| US2998746A (en) * | 1959-10-13 | 1961-09-05 | Gievers John George | Angular measurement system |
-
0
- NL NL278624D patent/NL278624A/xx unknown
-
1961
- 1961-05-19 US US111267A patent/US3228015A/en not_active Expired - Lifetime
-
1962
- 1962-04-16 GB GB14582/62A patent/GB939504A/en not_active Expired
- 1962-05-15 CH CH582762A patent/CH392618A/fr unknown
- 1962-05-18 SE SE5617/62A patent/SE317713B/xx unknown
- 1962-05-19 DE DEN21605A patent/DE1292191B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE317713B (es) | 1969-11-24 |
| CH392618A (fr) | 1965-05-31 |
| GB939504A (en) | 1963-10-16 |
| DE1292191B (de) | 1969-04-10 |
| US3228015A (en) | 1966-01-04 |