Patent ID: 6210017
Filing Date: 2001-04-03
Classification: E01F,F21S,F21V,F21Y,Y02B

Abstract:
A self-emission road device which is partially buried in a road surface, comprising:a main body which has an opening at a top;an emission unit which is set at an upper part of the main body and emits at least three light beams over a road; anda top board which is set covering the opening of the main body, and has an emission window that is transparent with the light beams from the emission unit passing through the emission window and being emitted to an outside,wherein emitting directions in which the light beams are emitted through the emission window include at least first and second directions, andwherein at least two light beams, out of the light beams emitted to the outside through the emission window, are emitted in a same direction and a light beam emitted in a different direction is situated between two light beams emitted in the same direction.