| 摘要 |
<p>The vehicle has a display device (1) that is arranged outside of the vehicle, and a device (3) for controlling a light intensity, controlling intensity of the display device based on environmental conditions and signals representing vision conditions of the device (1). The signals are derived from the speed of the vehicle, or produced by a light sensor (5) that is formed as a camera, arranged inside of the vehicle. The sensor receives a light signal produced by the device (1) and an output signal of the sensor is used for adjustment of background brightness of the device (1).</p> |
