| 摘要 |
a noise eliminating unit for absorbing and eliminating noise in an inputted alternate current(AC) power; a rectifying unit and a filter unit for converting the AC power into a direct current(DC) power; a power transformer for rectifying the AC power to output the rectified power to the DC power; an oscillating unit for outputting a rectangular wave signal having two frequencies with the voltage dropped DC power; first and second output unit for outputting the DC power as a high frequency AC signal; a switching unit for selectively outputting the DC power to two common output lines of first and second switches; and a plurality of lamp lighting units having a plurality of inverters and a plurality of condensers which each are installed on lamps connected in parallel with the two common output lines.
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