Electronic timepiece, communication device, and communication system
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United States of America Patent
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Jun 12, 2018
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N/A
app pub date -
May 19, 2016
filing date -
May 22, 2015
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Abstract
A control circuit sets a detection period D1 in which the control circuit detects an output value of a solar cell and receives an optical signal, and charging periods C1, C2 in which a storage battery can be charged, during a reception period for receiving a data signal of transmission data transmitted from a communication target; controls a charging control circuit to disconnect the solar cell and the storage battery, and causes a detection circuit to detect the output value of the solar cell, during the detection period D1; and controls the charging control circuit to connect the solar cell and the storage battery during the charging periods C1, C2.
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