Mobile telephone includes camera with sensitivities to ambient light and infra red radiation, which differ by limited factor

摘要

The camera (K) is sensitive to visible light and to infra red. The controller (S) is constructed to carry out a search mode. Infra red images taken by the camera are shown in real time on the display unit (A). The mean sensitivities of the camera to visible light and to infra red radiation, differ by less than a factor of 10.