MULTICHANNEL LIGHTING BLOCK AND EXCITER FOR CURRENT SUPPLY TO LIGHT SOURCES IN MULTICHANNEL LIGHTING BLOCK Russian patent published in 2015 - IPC H05B33/08 

FIELD: electricity.

SUBSTANCE: invention refers to lighting engineering. The lighting block contains at least two channels of the light sources and exciter for light sources. The exciter includes DC voltage converter and control system to control current supplied to at least one of two channels as response to the control signal provided by the DC voltage converter. Preferably the feedback circuit is controlled by the switching device in DC voltage converter to maintain the light level ensured by the light sources at the required level regardless of voltage changes of the power source and load.

EFFECT: increased efficiency of the light source control to achieve the required illumination effect.

18 cl, 5 dwg