| 发明名称 |
HEAD DRIVE TYPE MAGNETIC RECORDING AND REPRODUCTION APPARATUS |
| 摘要 |
PURPOSE:Driving of magnetic heads is made possible and damaging of discs and heads is prevented by detecting that the rotating speed of the magnetic disc has reached a fixed value, from the pulses proportional to the rotating speeds. |
| 申请公布号 |
JPS5284711(A) |
申请公布日期 |
1977.07.14 |
| 申请号 |
JP19750159094 |
申请日期 |
1975.12.31 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
NAGAI HIROYUKI;SATOKI HIDEAKI |
| 分类号 |
G11B21/12;G11B19/24 |
主分类号 |
G11B21/12 |
| 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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