发明名称 ELECTRONIC WRIST WATCH
摘要 PURPOSE:To adopt bipolar rotor type step motor as an electricity machine conversion mechanism, and realizing optimization of bipolar rotor type step motor and optimum driving so as to make the watch work with stability and low power consumption.
申请公布号 JPS52104966(A) 申请公布日期 1977.09.02
申请号 JP19760021536 申请日期 1976.02.27
申请人 SUWA SEIKOSHA KK 发明人 KAWAMURA YOSHIKAZU
分类号 G04C3/14;G04C13/11;H02K37/00;H02P8/02;H02P25/04;H02P27/06 主分类号 G04C3/14
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