BE511951A - - Google Patents
Info
- Publication number
- BE511951A BE511951A BE511951DA BE511951A BE 511951 A BE511951 A BE 511951A BE 511951D A BE511951D A BE 511951DA BE 511951 A BE511951 A BE 511951A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
-
- 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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
-
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
-
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/17—Construction or disposition of windings
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US230775A US2680156A (en) | 1951-06-09 | 1951-06-09 | Magnetic head for perpendicular recording |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE511951A true BE511951A (US20100056889A1-20100304-C00004.png) |
Family
ID=22866533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE511951D BE511951A (US20100056889A1-20100304-C00004.png) | 1951-06-09 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2680156A (US20100056889A1-20100304-C00004.png) |
| BE (1) | BE511951A (US20100056889A1-20100304-C00004.png) |
| FR (1) | FR1073924A (US20100056889A1-20100304-C00004.png) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2838614A (en) * | 1952-05-12 | 1958-06-10 | North American Aviation Inc | Magnetic recording head |
| US2927973A (en) * | 1955-08-26 | 1960-03-08 | Ibm | Magnetic transducer |
| US2997695A (en) * | 1956-04-06 | 1961-08-22 | Robert L Conger | Magnetic core storage device |
| US2959643A (en) * | 1957-03-29 | 1960-11-08 | Rca Corp | Magnetic erase head |
| US3103665A (en) * | 1959-12-28 | 1963-09-10 | Magnavox Co | Electro-magnetic transducer |
| JPS55125536A (en) * | 1979-03-16 | 1980-09-27 | Fuji Photo Film Co Ltd | Recording medium for vertical magnetic record |
| FR2490847A1 (fr) * | 1980-09-22 | 1982-03-26 | Cii Honeywell Bull | Element d'enregistrement magnetique |
| US6917493B2 (en) * | 2001-08-28 | 2005-07-12 | Seagate Technology Llc | Ampere head with perpendicular magnetic field |
| WO2003021576A1 (en) * | 2001-08-28 | 2003-03-13 | Seagate Technology Llc | Recording heads using magnetic fields generated locally from high current densities in a thin film wire |
| US6665136B2 (en) | 2001-08-28 | 2003-12-16 | Seagate Technology Llc | Recording heads using magnetic fields generated locally from high current densities in a thin film wire |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE612450C (de) * | 1933-02-05 | 1935-04-25 | Willy Hornauer | Einrichtung zur Wiedergabe von Magnetogrammen |
| US2247847A (en) * | 1937-07-23 | 1941-07-01 | Pfleumer Fritz | Recording and reproducing device for magnetic sound writing |
-
0
- BE BE511951D patent/BE511951A/xx unknown
-
1951
- 1951-06-09 US US230775A patent/US2680156A/en not_active Expired - Lifetime
-
1952
- 1952-06-09 FR FR1073924D patent/FR1073924A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2680156A (en) | 1954-06-01 |
| FR1073924A (fr) | 1954-09-30 |
