发明名称 |
MAGNETIC DISC ROTATIONAL SPEED CONTROLLER |
摘要 |
PURPOSE:A magnetic disc is controlled and the need for any tachometer is eliminated by obtaining a rotaionsl speed signal from the position difference between a recording signal and its reproduction signal. |
申请公布号 |
JPS5319818(A) |
申请公布日期 |
1978.02.23 |
申请号 |
JP19760094329 |
申请日期 |
1976.08.06 |
申请人 |
NIPPON ELECTRIC CO |
发明人 |
KONDOU SHIGEYUKI |
分类号 |
G11B19/28;(IPC1-7):11B19/28 |
主分类号 |
G11B19/28 |
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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