| 摘要 |
The invention relates to a device for automatic adapting the signal light in one or in a group of traffic light signal devices dependent on light conditions and in view of the light intensity and angle. The device comprises a special light detector device (2, 2', 4) having at least one light inlet (3, 19, 20, 16, 17) for direct light coming from different directions and said inlet comprises at least one light sensitive device or sensor (5, 6, 6'), by which subseqently respective light is intensity controlled by the direct light at the same time as the general light is delimited and when occurring at least one light inlet (7) to one or more light sensitive devices (8) for detecting general light and adjusting the light intensity in the signal lights (9) of the light signal device in relation to the surroundings. |
