About 2 results
https://drivepatents.com/patents/974592 · 21 May 2014
The AC-DC power booster includes an electromagnetic interference (EMI) filter circuit that is included to convert alternating current (AC) power from among applied AC power and direct current (DC) power, to DC power to be output; a power factor correction ...
https://drivepatents.com/patents/978200 · 19 Feb 2014
Provided is an alternating current (AC) and direct current (DC) power supply device in which normal power and power of a solar cell is used to supply not only AC power but also DC power, particularly, power of a solar cell is first supplied as DC power or ...