20120086349 | Decorative Light System - A light string includes a plurality of remote units and a control unit. Each of the plurality of remote units includes a microcontroller and is connected to a plurality of lights. Each microcontroller stores one or more programs for controlling the lights in the plurality of lights. The control unit is connected to the plurality of remote units by a power supply line. The control unit sends information via the power supply line to the plurality of remote units. The information indicates a program of the one or more programs to be executed by the microcontroller of each of the remote units to individually control the plurality of lights. | 04-12-2012 |