Patent ID: 7855660

Claim:
A pedestrian light-emitting diodes (LED) traffic signal system for displaying a walk signal, a stop signal and a remaining time of the walk signal and stop signal before they change in a one piece signal head the system comprising: (a) a control means for receiving a signal control data from a traffic control unit and controlling the function of the system by calculating the remaining time before a signal change of the walk signal and the stop signal by dividing the amount of a time interval of the signal change by a number of graphic figures for displaying the remaining time of each signal with the change of the number of figures; (b) a LED signal head comprising a multicolor LED panel and a housing for displaying the walk signal in a graphic image, the stop signal in a different graphic image at the same place on the LED display panel as the walk signal by changing the color of the LEDs, the LED panel also displaying the amount of remaining time of each signal in graphic figures arranged in vertical order at right or left side of the stop and walk image display combination; and (c) a LED control means comprising a character generating means and a LED driver means for controlling the LED display panel to display the graphic image of each signal and a plurality of graphic figures representing the remaining time of each signal in the manner of eliminating or blinking figures in regular order according to the remaining time passed.