Patent ID: 7502950
Filing Date: 2009-03-10
Classification: G06F,G09F,G09G

Abstract:
1. A dual power supply switching system, comprising: a. dual functioning power supplies, each being utilized in parallel fashion as a power source for a plurality of LED display modules and each also providing power for operation of and in association with other included components; b. a self-contained microcontroller within each LED display module of the plurality of LED display modules which monitors the input line voltage as supplied by the power supplies; c. solid state switches with reverse current protection within each LED display module of the plurality of LED display modules connected to the input lines at the LED display modules and controlled by the microcontroller; and, d. an adjustable switching regulator within each LED display module of the plurality of LED display modules connected to the solid state switches and controlled by the microcontroller for regulated connection of one solid state switch to supply operating voltage for operation of one or more LEDs of an LED display module.