发明名称 Electronic timepiece with checking function and its checking method
摘要 An electrical timepiece comprises external input units for receiving an external input signal, a motor unit for driving an analog hand unit for displaying time, a battery unit capable of charging, a voltage detect circuit for measuring the voltage of the stored electricity in the battery and comparing the voltage with a reference voltage, and a stored electricity unit discharge control circuit for starting discharge from the battery when an external input signal is received by one of the external input unit, and for stopping discharge from the battery when the comparison result by the voltage detect circuit satisfies a prescribed condition.
申请公布号 US6898156(B1) 申请公布日期 2005.05.24
申请号 US20000717426 申请日期 2000.11.20
申请人 SEIKO EPSON CORPORATION 发明人 NAKAMIYA SHINJI;TAKAHASHI KATSUYOSHI
分类号 G04C3/14;G04C3/00;G04C10/00;G04G99/00;(IPC1-7):G04C3/00;H02J7/00 主分类号 G04C3/14
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