发明名称 |
CASSETTE TAPE RUNNING SPEED DETECTOR |
摘要 |
<p>PURPOSE:The revolutions of a roller are detected by changing the quantities of light proportional to the revolutions of a magnetic tape running speed detection roller to electric signals with a light receiving element.</p> |
申请公布号 |
JPS539104(A) |
申请公布日期 |
1978.01.27 |
申请号 |
JP19760083309 |
申请日期 |
1976.07.13 |
申请人 |
SEIKO INSTR & ELECTRONICS |
发明人 |
FUKUSHIMA YASUHIRO |
分类号 |
G11B15/54;G01P3/48;G01P3/486;G01P3/54;G11B15/46;H02K23/66 |
主分类号 |
G11B15/54 |
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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