This method USES at least two light sensor measurements to derive information concerning both the ambientlight levels and the illumination source output level for known drive conditions.
该方法使用至少两次光传感器测量,对于已知驱动条件得出有关环境光照水平和照明源输出水平二者的信息。
2
The first and second detected light levels are processed to derive a first value representing the ambientlight level and a second value representing the illumination source output level.