| 摘要 |
A hand-held electronic device provided with at least one microprocessor, such as a mobile telephone, a personal computer or the like, comprises a control means, at least one first light source (9, 20, 22, 24) and at least one a second light source (9, 20, 22, 24) each of which being associated with said control means (25), adapted to control the light intensity of the first light source independently from the second light source. According to the invention, said control means (25) is adapted to variably adjust the light intensity, and in that said control means (25) is adapted to control the light intensity depending on ambient light conditions. <IMAGE> |
