| 发明名称 |
ELECTRONIC WRISTWATCH |
| 摘要 |
PURPOSE:To achieven the higher efficiency of a step motor by so constituting wheel trains that the load under which its rotor from a static position arrives at a magnetically neutral point is made lighter than that thereafter. |
| 申请公布号 |
JPS5370878(A) |
申请公布日期 |
1978.06.23 |
| 申请号 |
JP19760146941 |
申请日期 |
1976.12.07 |
| 申请人 |
SEIKO INSTR & ELECTRONICS |
发明人 |
SHIDA MASAHARU |
| 分类号 |
G04C3/14;G04C3/00;G04C15/00;H02P8/00;H02P8/02 |
主分类号 |
G04C3/14 |
| 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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