发明名称 |
Control device for the rotary motor of a watch |
摘要 |
A control device for the motor of a watch including first and second zero detectors and a delay device for providing gating signals to an AND gate to enable transmission of driving in phase with the a.c. voltage induced in the coil.
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申请公布号 |
US4031438(A) |
申请公布日期 |
1977.06.21 |
申请号 |
US19760650737 |
申请日期 |
1976.01.20 |
申请人 |
EBAUCHES S.A. |
发明人 |
BERNEY, JEAN-CLAUDE |
分类号 |
H02P8/02;G04C3/16;(IPC1-7):G05B5/00 |
主分类号 |
H02P8/02 |
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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