Voltage adjusting apparatus
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United States of America Patent
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Jun 14, 2011
Grant Date -
Sep 17, 2009
app pub date -
Dec 1, 2008
filing date -
Mar 11, 2008
priority date (Note) -
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Abstract
The invention discloses a voltage adjusting apparatus including a power adaptor, a first resistor, a current detecting module, a second resistor, and a voltage feedback controlling module. The power adaptor outputs a first current first. The first resistor is used to convert the first current to a first voltage. The current detecting module is used to convert the first voltage to a second current. The second resistor is used to convert the second current to a second voltage. The voltage feedback controlling module is used to convert the second voltage to a third voltage. The power adaptor is used to convert the third voltage to a fourth voltage and output the fourth voltage.
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