CH424866A - Einrichtung zur Abfühlung von magnetischen Aufzeichnungen - Google Patents
Einrichtung zur Abfühlung von magnetischen AufzeichnungenInfo
- Publication number
- CH424866A CH424866A CH922464A CH922464A CH424866A CH 424866 A CH424866 A CH 424866A CH 922464 A CH922464 A CH 922464A CH 922464 A CH922464 A CH 922464A CH 424866 A CH424866 A CH 424866A
- Authority
- CH
- Switzerland
- Prior art keywords
- sensing magnetic
- magnetic records
- records
- sensing
- magnetic
- Prior art date
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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US295439A US3284785A (en) | 1963-07-16 | 1963-07-16 | Magneto-optic readout detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH424866A true CH424866A (de) | 1966-11-30 |
Family
ID=23137741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH922464A CH424866A (de) | 1963-07-16 | 1964-07-14 | Einrichtung zur Abfühlung von magnetischen Aufzeichnungen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3284785A (de) |
| BE (1) | BE650534A (de) |
| CH (1) | CH424866A (de) |
| DE (1) | DE1271195B (de) |
| GB (1) | GB1011179A (de) |
| NL (1) | NL145082B (de) |
| SE (1) | SE314708B (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3354447A (en) * | 1963-12-09 | 1967-11-21 | Oshima Shintaro | Thin film tape recorder |
| US3445833A (en) * | 1965-11-01 | 1969-05-20 | Sperry Rand Corp | Signal responsive apparatus with a polar azimuth vibrator |
| US3512866A (en) * | 1965-12-03 | 1970-05-19 | Magnavox Co | Magneto-optical hand viewer |
| US3512865A (en) * | 1968-01-15 | 1970-05-19 | Ibm | D-c free electro-optic crystal system |
| US3571583A (en) * | 1968-09-30 | 1971-03-23 | Us Navy | Multichannel |
| US3639744A (en) * | 1969-12-17 | 1972-02-01 | Sperry Rand Corp | Magnetooptic phase correlator |
| FR2098502A5 (de) * | 1970-06-10 | 1972-03-10 | Cii | |
| US3625617A (en) * | 1970-07-15 | 1971-12-07 | Honeywell Inc | Kerr effect read-out system for an optical memory |
| US3696352A (en) * | 1970-11-25 | 1972-10-03 | Robatron Veb K | Magneto-optical readout beam shifted as a function of information |
| US4079429A (en) * | 1977-01-18 | 1978-03-14 | Eastman Kodak Company | Optical detector for magnetic fields employing feedback circuitry |
| US4424580A (en) * | 1981-05-06 | 1984-01-03 | Precision Echo | Method and apparatus for generating electron spin reversal in ferrimagnetic material |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL255698A (de) * | 1959-09-25 | |||
| NL278624A (de) * | 1961-05-19 | |||
| US3167751A (en) * | 1961-05-26 | 1965-01-26 | Lab For Electronics Inc | Magneto-optic readout for magnetic data storage device |
-
1963
- 1963-07-16 US US295439A patent/US3284785A/en not_active Expired - Lifetime
-
1964
- 1964-07-02 GB GB273088/64D patent/GB1011179A/en not_active Expired
- 1964-07-11 DE DEP1271A patent/DE1271195B/de not_active Withdrawn
- 1964-07-14 BE BE650534A patent/BE650534A/xx unknown
- 1964-07-14 CH CH922464A patent/CH424866A/de unknown
- 1964-07-14 NL NL646408041A patent/NL145082B/xx unknown
- 1964-07-16 SE SE8687/64A patent/SE314708B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL145082B (nl) | 1975-02-17 |
| BE650534A (de) | 1964-11-03 |
| US3284785A (en) | 1966-11-08 |
| GB1011179A (en) | 1965-11-24 |
| NL6408041A (de) | 1965-01-18 |
| SE314708B (de) | 1969-09-15 |
| DE1271195B (de) | 1968-06-27 |
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