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.
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
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