BE813108A - Tete magnetique a plusieurs pistes - Google Patents
Tete magnetique a plusieurs pistesInfo
- Publication number
- BE813108A BE813108A BE142695A BE142695A BE813108A BE 813108 A BE813108 A BE 813108A BE 142695 A BE142695 A BE 142695A BE 142695 A BE142695 A BE 142695A BE 813108 A BE813108 A BE 813108A
- Authority
- BE
- Belgium
- Prior art keywords
- magnetic head
- track magnetic
- track
- head
- magnetic
- Prior art date
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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7304528A NL7304528A (fr) | 1973-03-31 | 1973-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE813108A true BE813108A (fr) | 1974-09-30 |
Family
ID=19818551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE142695A BE813108A (fr) | 1973-03-31 | 1974-03-29 | Tete magnetique a plusieurs pistes |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3921219A (fr) |
| JP (1) | JPS49130714A (fr) |
| AT (1) | AT336912B (fr) |
| BE (1) | BE813108A (fr) |
| CA (1) | CA1009750A (fr) |
| DE (1) | DE2412413A1 (fr) |
| FR (1) | FR2223775B1 (fr) |
| GB (1) | GB1460363A (fr) |
| HK (1) | HK42877A (fr) |
| IT (1) | IT1003908B (fr) |
| NL (1) | NL7304528A (fr) |
| SE (1) | SE398405B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5519321U (fr) * | 1978-07-20 | 1980-02-07 | ||
| JPH09274708A (ja) * | 1996-04-02 | 1997-10-21 | Victor Co Of Japan Ltd | 磁気ヘッド及び磁気ヘッド組立体 |
| GB201118994D0 (en) * | 2010-11-18 | 2011-12-14 | Xyratex Tech Ltd | A method and device for mapping the magnetic field or magnetic field sensitivity of a recording head |
| US10872625B1 (en) | 2019-11-21 | 2020-12-22 | Western Digital Technologies, Inc. | Helical coils design and process for dual writer magnetic recording |
| US10878841B1 (en) | 2019-11-25 | 2020-12-29 | Western Digital Technologies, Inc. | Dual writer for advanced magnetic recording |
| US10839831B1 (en) * | 2019-12-30 | 2020-11-17 | Western Digital Technologies, Inc. | Dual writer designs with SOT and STT assisted recording |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2717928A (en) * | 1954-01-29 | 1955-09-13 | Ibm | Multi-channel transducer |
| US2872530A (en) * | 1955-06-02 | 1959-02-03 | Rca Corp | Magnetic record transducer |
| FR1213217A (fr) * | 1959-01-06 | 1960-03-29 | Bull Sa Machines | Tête magnétique multiple |
| NL162495C (nl) * | 1969-03-10 | Matsushita Electric Ind Co Ltd | Meerkanaals magneetkop. | |
| US3716677A (en) * | 1970-06-05 | 1973-02-13 | Matsushita Electric Ind Co Ltd | Multi-channel magnetic head |
| US3829895A (en) * | 1970-08-17 | 1974-08-13 | Matsushita Electric Ind Co Ltd | Multi-channel magnetic head with offset gap lines |
-
1973
- 1973-03-31 NL NL7304528A patent/NL7304528A/xx unknown
-
1974
- 1974-03-15 DE DE2412413A patent/DE2412413A1/de active Pending
- 1974-03-21 GB GB1258874A patent/GB1460363A/en not_active Expired
- 1974-03-26 IT IT49683/74A patent/IT1003908B/it active
- 1974-03-27 US US455400A patent/US3921219A/en not_active Expired - Lifetime
- 1974-03-28 AT AT257174A patent/AT336912B/de not_active IP Right Cessation
- 1974-03-28 CA CA196,190A patent/CA1009750A/en not_active Expired
- 1974-03-28 FR FR7410788A patent/FR2223775B1/fr not_active Expired
- 1974-03-28 JP JP49034062A patent/JPS49130714A/ja active Pending
- 1974-03-29 BE BE142695A patent/BE813108A/fr unknown
- 1974-10-01 SE SE7404180A patent/SE398405B/xx unknown
-
1977
- 1977-08-18 HK HK428/77A patent/HK42877A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1460363A (en) | 1977-01-06 |
| ATA257174A (de) | 1976-09-15 |
| NL7304528A (fr) | 1974-10-02 |
| FR2223775B1 (fr) | 1979-09-28 |
| SE398405B (sv) | 1977-12-19 |
| HK42877A (en) | 1977-08-26 |
| IT1003908B (it) | 1976-06-10 |
| FR2223775A1 (fr) | 1974-10-25 |
| DE2412413A1 (de) | 1974-10-10 |
| US3921219A (en) | 1975-11-18 |
| JPS49130714A (fr) | 1974-12-14 |
| CA1009750A (en) | 1977-05-03 |
| AT336912B (de) | 1977-06-10 |
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