Patent ID: 8436748
Filing Date: 2013-05-07
Classification: G01S,G08G

Abstract:
1. A method for controlling traffic signaling as a function of a detection of an object, said object being one of a vehicle, an automobile, a truck, a pedestrian, a particle, an airborne particle, a gas, a liquid and a user of a traffic light, the method comprising: providing said traffic light with a visible-light source emitting visible light and having a function of actuating alternately at least two different traffic signal states for traffic signaling; driving the visible-light source to emit light in a traffic signal state in a predetermined mode in a field of illumination, with visible light in the predetermined mode being emitted so as to be visible to an unaided human eye; receiving a reflection/backscatter of the emitted visible light from said object located in said field of illumination; identifying at least one of a presence and a position of the object as a function of the reflection/backscatter received and of the predetermined mode; and controlling said traffic signal states actuated by the visible-light source as a function of the at least one of the presence and the position of the object.