发明名称 Electronic time keeping device
摘要 An electronic time keeping device has a stepping motor including a rotor, a stator and coils mounted in unitary fashion. Hands of the minimum unit of time are mounted directly to the shaft of the stepping motor. Gear mechanisms, electronic parts and the like are accommodated in a depressed portion on the upper surface of the time keeping device.
申请公布号 US4426159(A) 申请公布日期 1984.01.17
申请号 US19820366230 申请日期 1982.04.07
申请人 CASIO COMPUTER CO., LTD. 发明人 KOSAKA, KAZUMITU;KIDO, YUKIO;KATOH, SHIGERU;TSUTSUI, HITOSHI
分类号 G04C3/00;G04C13/11;(IPC1-7):G04B19/04;G04C23/02 主分类号 G04C3/00
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