| 发明名称 |
MAGNETIC HEAD |
| 摘要 |
PURPOSE:To render it possible to alter a width of a track with the aid of a single head by mounting to both ends of an element forming said head magnetic substances which exhibit non-magnetism upon reaching a given temperature. |
| 申请公布号 |
JPS5246809(A) |
申请公布日期 |
1977.04.14 |
| 申请号 |
JP19750122667 |
申请日期 |
1975.10.09 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
TANAKA TAKASHI |
| 分类号 |
G11B5/127;G11B5/23;G11B5/245 |
主分类号 |
G11B5/127 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
