| 发明名称 |
PLANE BODY FOR REPRODUCTION OF MAGNETIC RECORDING AND PREPARATION THEREOF |
| 摘要 |
PURPOSE:To copy a large amount of magnetic recording by simple procedure in short time by changing magnetic flux passing through magnetic flux responsive element by concave-convex of uniformly magnetized magnetic layer to obtain reproduction signals. |
| 申请公布号 |
JPS531507(A) |
申请公布日期 |
1978.01.09 |
| 申请号 |
JP19760076732 |
申请日期 |
1976.06.28 |
| 申请人 |
SONY CORP |
发明人 |
KIKUCHI MASAHIRO |
| 分类号 |
G11B5/65;G11B5/64;G11B5/73;G11B5/82;G11B23/00 |
主分类号 |
G11B5/65 |
| 代理机构 |
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代理人 |
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| 地址 |
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