Electronic timepiece with checking function and its checking method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 24, 2005
Grant Date -
N/A
app pub date -
Nov 20, 2000
filing date -
Nov 24, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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.
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