| 发明名称 |
MAGNETIC HEAD |
| 摘要 |
PURPOSE:To improve frequency characteristics and distortion factor during recording and reproduction of voice by forming a head core using a ferrite material of saturated magnetic density and coercive force of a specified range. |
| 申请公布号 |
JPS5288320(A) |
申请公布日期 |
1977.07.23 |
| 申请号 |
JP19760006273 |
申请日期 |
1976.01.19 |
| 申请人 |
SANYO ELECTRIC CO |
发明人 |
SHIMIZU YOSHIAKI;DOI MASARU;ITOU YOSHIHIRO |
| 分类号 |
H01F1/34;G11B5/133;H01F1/12 |
主分类号 |
H01F1/34 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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