| 摘要 |
A digital broadcast message system includes a network of high-resolution display panels capable of broadcasting video and photographic images, as well as text. Each of the display panels is mounted proximate a roadway or other public venue and is optically visible to persons traveling along the roadway or otherwise in the public venue. The display panels feature solid-state electronic components, including LED clusters. The image projected by each display panel is controlled by a controller, which features a computer programmed to provide selected digital signals to the respective display panels. The system is particularly intended for use in broadcasting information concerning national (homeland) security and other areas of public interest. |
