Power circuit and electronic device utilizing the same
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United States of America Patent
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Oct 25, 2016
Grant Date -
May 26, 2016
app pub date -
Dec 24, 2014
filing date -
Nov 20, 2014
priority date (Note) -
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Abstract
A power circuit for an electronic device includes an input terminal, an output terminal, a voltage transform unit, and a control unit. The control unit controls the voltage transform unit to operate or not operate, according to the input terminal receives a first voltage or a second voltage. The first voltage is transformed to an output voltage, and is output by the output terminal, when the input terminal receives the first voltage. The second voltage is transmitted from the input terminal to the output terminal through the third switch unit, when the input terminal receives the second voltage. Therefore, the power circuit can receive the first voltage or the second voltage through the input terminal, and outputs the output voltage to other electronic components.
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