POWER BANK APPARATUS FOR MEASURING RESISTANCE OF CHARGING LINE
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United States of America Patent
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Jul 7, 2016
app pub date -
Apr 17, 2015
filing date -
Jan 6, 2015
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Abstract
A power bank apparatus configured to measure resistance of a charging line includes an input port, a first detection circuit, and a processing circuit. Through the charging line, the input port is configured to receive from an external power supply an input power signal as a test signal. The first detection circuit receives the test signal. If the external power supply is in a no-load state, the first detection circuit is configured to detect a voltage of the test signal as a no-load voltage. If the external power supply is in a load state, the first detection circuit is configured to detect the voltage and a current of the test signal as a load voltage and a load current. The processing circuit is coupled to the first detection circuit and receives the no-load voltage, the load voltage, and the load current to calculate the resistance of the charging line.
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