20140333448 | SENSOR DEVICE FOR AN ALERTING SYSTEM - A sensor device for an alerting system comprises a casing and a sensing element adapted to detect an alerting event, wherein said sensor device is adapted to output an alert signal in response to said sensing element detecting an alerting event. The sensing element is a photosensitive element adapted to detect, when said sensor device is positioned in a sensitive relationship to a display of a mobile communication device, an illumination of the display of said mobile communication device. | 11-13-2014 |