发明名称 ELECTRONIC WRISTWATCH
摘要 PURPOSE:To make operation stable and positive by short-circuiting both ends of a drive coil for a fixed time immediate before the rotor of a pulse motor completes one step turn, thereafter keeping both ends of the coil open before the next drive pulse is applied.
申请公布号 JPS5384782(A) 申请公布日期 1978.07.26
申请号 JP19760160489 申请日期 1976.12.29
申请人 SUWA SEIKOSHA KK 发明人 ISHII HIROSHI;HOSOKAWA MINORU;KAWAMURA KIICHI;OKAZAKI SAKIHO
分类号 G04C3/14;G04C3/00;G04C15/00;H02P8/00;H02P8/02;H02P8/32 主分类号 G04C3/14
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