Power converter with output voltage level indicating device
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United States of America Patent
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Nov 15, 2005
Grant Date -
Oct 6, 2005
app pub date -
Jul 16, 2004
filing date -
Apr 6, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A power converter with output voltage level indicating device is disclosed. The power converter includes a casing, an interior of which is disposed with a control circuit. The control circuit includes a feedback circuit and a DC-to-DC conversion circuit. The feedback circuit is coupled to the DC-to-DC conversion circuit and connected to a level-selecting terminal by at least one resistor to provide a feedback signal to the DC-to-DC conversion circuit which in turn changes the voltage level of the DC output. An output socket is formed at the casing, which is connected with the control circuit. The output socket includes two primary, power terminals and at least one secondary, level-selecting terminals. A level-selecting terminal device is connected to the output socket via an extension cable for getting the DC voltage and supplying the DC voltage to an appliance via an output terminal. A display device is provided at the casing for showing the output voltage level to the output terminal of the level-selecting terminal device.
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