| 摘要 |
<p>A sign having a rotating display and illuminated with lights (22). The lights are powered though a slip-ring (24) device on a frame (12) and drive shaft (16) of the display. The power can be from the mains, or alternative energy sources such as solar panels or a dynamo (52). The rotation can be wind-powered, or motorised. The signs can be used as information display signs or as decorative signs, for example as Christmas decorations. <IMAGE></p> |
