Patent ID: 7190128
Filing Date: 2007-03-13
Classification: H05B,Y02B

Abstract:
1. A multi-lamp driving system for driving a plurality of lamp units, comprising: a multi-phase alternating current (AC) power generating unit for generating a plurality of out-of-phase AC current signals; and a balancing unit for balancing current flowing through each of the lamp units, said balancing unit including a plurality of loads, and a multi-phase transformer that has a plurality of coils, each of the lamp units being adapted to be connected to at least one of a respective one of said loads and a respective one of said coils, and forming a series connection with the respective one of said loads and the respective one of said coils, wherein the series connection of each of the lamp units with the respective one of said loads and the respective one of said coils is coupled across said AC power generating unit.