| 摘要 |
<p>A traffic light timed advertising center (10) includes an advertising display device, such as an electronic message center (30) or other visual display device for displaying alpha-numeric and symbolic advertising messages (31) in which the advertising messages can be made selectively visible and invisible to drivers, is positioned adjacent a traffic control signal device (11) having alternative signal phases for sequentially stopping and permitting the flow of traffic. A display control device (15), including an electronic control signal, coordinates the advertising display device with the traffic control signal device to make the advertising message invisible to drivers at selected times.</p> |
