| 摘要 |
<p>PURPOSE:To perform the best display corresponding to variation (state variation in visibility) in ambient illuminance, for example, in daytime and nighttime, etc. CONSTITUTION:This display device has a display part 10 which performs specific display operation including a display based upon the movement state of, for example, an automobile, a TV tuner 50 which controls the operation of the display part 10, a phototransistor 20 and a light/dark information output circuit 21 which detect the ambient illuminance and outputs a signal (c) corresponding to the illuminance, and a CPU 30 which controls the display state of the display part 10 according to the output signal (c) corresponding to the illuminance.</p> |
