| 摘要 |
Emergency lighting device with optimized consumption, comprising a light source (1), inverter means (2) for switching on the light source (1), power supply means (3) for mains power supply and auxiliary power supply means (4), and further comprising control and driving means (5) which are suitable to determine, in real time and continuously, the optimum driving frequency of the inverter means (2) in order to switch on the light source with the minimum possible current absorption from the auxiliary power supply means (4). <IMAGE> |
