| 摘要 |
<p>The graphics display of US Patent No 5,518,561 is modified by selectively actuating surface-conforming illumination layers positioned behind graphics and in response to external conditions and from a variety of sources. The external conditions include time, weather and, when the display is mounted on a vehicle, the vehicle location. Selective actuation of different sections of the display permit controlled changes in the display and special effects.</p> |
