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发明名称
MAGNETIC DISC DRIVE DEVICE
摘要
PURPOSE:To detect whether a disc is mounted and prevent destruction of a magnetic head by comparing a time required until a disc driving shaft reaches a normal rotary number, with a prearranged time.
申请公布号
JPS52126206(A)
申请公布日期
1977.10.22
申请号
JP19760042267
申请日期
1976.04.14
申请人
MITSUBISHI ELECTRIC CORP
发明人
HAMA KEIZOU
分类号
G11B19/10;G11B19/20;G11B21/12
主分类号
G11B19/10
代理机构
代理人
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地址
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