JPS578905A - Permanent magnet erasing head - Google Patents
Permanent magnet erasing headInfo
- Publication number
- JPS578905A JPS578905A JP8193180A JP8193180A JPS578905A JP S578905 A JPS578905 A JP S578905A JP 8193180 A JP8193180 A JP 8193180A JP 8193180 A JP8193180 A JP 8193180A JP S578905 A JPS578905 A JP S578905A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnet plates
- permeability
- permanent magnet
- plates
- 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.)
- Pending
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
- G11B5/325—Erasing heads using permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8193180A JPS578905A (en) | 1980-06-16 | 1980-06-16 | Permanent magnet erasing head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8193180A JPS578905A (en) | 1980-06-16 | 1980-06-16 | Permanent magnet erasing head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS578905A true JPS578905A (en) | 1982-01-18 |
Family
ID=13760211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8193180A Pending JPS578905A (en) | 1980-06-16 | 1980-06-16 | Permanent magnet erasing head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS578905A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6233316A (ja) * | 1985-08-02 | 1987-02-13 | Matsushita Electric Ind Co Ltd | 永久磁石消去ヘツド |
-
1980
- 1980-06-16 JP JP8193180A patent/JPS578905A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6233316A (ja) * | 1985-08-02 | 1987-02-13 | Matsushita Electric Ind Co Ltd | 永久磁石消去ヘツド |
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