Patent ID: 8247995

Claim:
A control system for multiple light sources, comprising: a clock circuit configured to output a plurality of clock signals; a frequency dividing circuit connected to the clock circuit and configured to divide the frequency of the clock signals, to get a plurality of reference clock signals; a recombining circuit connected to the frequency dividing circuit and configured to recombine the reference clock signals, to get a plurality of timing signals; a power control circuit connected to the recombining circuit and configured to output electrical power to the multiple light sources according to the timing signals; and a triggering circuit, the triggering circuit interconnecting the power control circuit and the multiple light sources, and configured to power on the light sources according to a received command; wherein the clock circuit comprises a feedback sub-circuit comprising a plurality of cascaded field-effect transistors connected to each other, inputs of the feedback sub-circuit are connected in parallel to a first power source, and an output of the feedback sub-circuit is connected to the frequency dividing circuit.