| 摘要 |
A traffic signal light is provided to remove the dead space of the traffic light installed on the surface and to protect the driver and the pedestrian crossing the crosswalk with three dimensional system. In the traffic signal display system, the traffic signal is displayed on the surface by the beam project. The traffic signal is projected into the surface by using the traffic facility installed in the place where the existing traffic light is installed or a separate structure. The symbol of the traffic signal is projected in the road by using the laser optical lens. At this time, the laser is the LED laser.
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