Patent ID: 7986101
Filing Date: 2011-07-26
Classification: H05B

Abstract:
1. A decorative light string for creating variable lighting effects, comprising: a main processor; a plurality of light source assemblies, each having a distinct address known to the main processor, each of the plurality of light source assemblies including one or more light sources and a microprocessor, wherein the microprocessors of the light source assemblies are powered serially; and a serial communication line adapted to transmit lighting effect data to the microprocessor; and further comprising a fixed voltage device connected across the negative and positive power pins of each microprocessor and wherein each of the plurality of light source assemblies further comprises a first and a second diode, wherein the cathode of the first diode is electrically connected to a negative power supply pin of the microprocessor, the anode of the first diode is electrically connected to the cathode of the second diode and a data input pin to the microprocessor, and the anode of the second diode is connected to the positive power supply pin of the microprocessor.