GB2274018B - Magnetic head - Google Patents
Magnetic headInfo
- Publication number
- GB2274018B GB2274018B GB9402110A GB9402110A GB2274018B GB 2274018 B GB2274018 B GB 2274018B GB 9402110 A GB9402110 A GB 9402110A GB 9402110 A GB9402110 A GB 9402110A GB 2274018 B GB2274018 B GB 2274018B
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic head
- magnetic
- head
- Prior art date
- 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 - Fee Related
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
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
- G11B5/2652—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative
- G11B5/2654—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing
- G11B5/2655—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing with all the gaps disposed within the track or "guard band" between tracks, e.g. with erase gaps operative on track edges, with wide erase gap followed by narrow write gap
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3367790A JPH03238607A (en) | 1990-02-16 | 1990-02-16 | Magnetic head |
JP3367890A JPH03238608A (en) | 1990-02-16 | 1990-02-16 | Magnetic head |
JP4788190A JPH03250410A (en) | 1990-02-28 | 1990-02-28 | Magnetic head |
JP7471490 | 1990-03-23 | ||
JP18452190A JPH03278305A (en) | 1990-03-23 | 1990-07-10 | Magnetic head |
GB9103010A GB2242774B (en) | 1990-02-16 | 1991-02-13 | Magnetic head |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9402110D0 GB9402110D0 (en) | 1994-03-30 |
GB2274018A GB2274018A (en) | 1994-07-06 |
GB2274018B true GB2274018B (en) | 1994-09-21 |
Family
ID=27547126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9402110A Expired - Fee Related GB2274018B (en) | 1990-02-16 | 1994-02-03 | Magnetic head |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2274018B (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2009483A (en) * | 1977-12-05 | 1979-06-13 | Ibm | Magnetic erase head and method of producing same |
GB1565301A (en) * | 1977-01-20 | 1980-04-16 | Data Recording Instr Co | Magnetic materials |
GB2099204A (en) * | 1981-05-18 | 1982-12-01 | Tokyo Shibaura Electric Co | Combination magnetic head |
US4768120A (en) * | 1986-09-08 | 1988-08-30 | Alps Electric Co., Ltd. | Complex magnetic head having non-magnetic center core |
-
1994
- 1994-02-03 GB GB9402110A patent/GB2274018B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1565301A (en) * | 1977-01-20 | 1980-04-16 | Data Recording Instr Co | Magnetic materials |
GB2009483A (en) * | 1977-12-05 | 1979-06-13 | Ibm | Magnetic erase head and method of producing same |
GB2099204A (en) * | 1981-05-18 | 1982-12-01 | Tokyo Shibaura Electric Co | Combination magnetic head |
US4768120A (en) * | 1986-09-08 | 1988-08-30 | Alps Electric Co., Ltd. | Complex magnetic head having non-magnetic center core |
Also Published As
Publication number | Publication date |
---|---|
GB2274018A (en) | 1994-07-06 |
GB9402110D0 (en) | 1994-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
746 | Register noted 'licences of right' (sect. 46/1977) |
Effective date: 19960611 |
|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20080213 |