Patent ID: 9607510
Date: 2017-03-28
CPC Classifications: B60Q,G06Q,G08G,G09F

Claim:
1. A roadway signage system, comprising: an electronic control system comprising a memory for storing an image and providing an electronic signal representing said image, a directional viewing sign arranged to receive said electronic signal representing said image, said directional viewing sign being arranged to display said image in response to said electronic signal such that said image will be viewable by observers in vehicles over a predetermined range of vertical viewing angles from said sign, but observers in vehicles who are not within said predetermined range of vertical viewing angles from said sign will not be able to view said image due to a blocking mechanism arranged at said sign, and at least one motion sensor arranged to detect speed of vehicles within said predetermined range, whereby when no vehicle within said predetermined range is moving, said sign displays a moving or changing image, and in response to the movement of at least one vehicle within said predetermined range, said sign will deactivate or show a static or blank display.