CONTROL CIRCUIT AND ELECTRONIC DEVICE USING SAME
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United States of America Patent
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Issued Date -
Jan 15, 2015
app pub date -
Mar 5, 2014
filing date -
Jul 10, 2013
priority date (Note) -
Abandoned
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Abstract
An electronic device is connected between a power apparatus and an external device for converting a voltage from the power apparatus to charge the external device. The power apparatus is capable of switching between a first state and a second state. The power apparatus generates a working voltage and storing electrical energy in the first state, and stops generating the working voltage in the second state. The electronic device comprises a control circuit and an indication module for indicating the receiving of the working voltage from the power apparatus. The control circuit is connected between the power apparatus and the indication module. When the power apparatus switches from the first state to the second state, the control circuit discharges the stored electrical energy of the power apparatus in the predetermined time and controls the indication module to stop indicating.
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