The present invention relates to a sensor device for sensing an image of an object, wherein a detection means (14) for detecting radiation received from the object is supported by a light-emitting semiconductor means (12) for emitting radiation towards said object during a predetermined operation period...http://www.google.de/patents/US7332701?utm_source=gb-gplus-sharePatent US7332701 - Dual-mode CMOS imaging sensor with supporting LED
