Occupant position sensor system for a driver of the vehicle in which a sensor is arranged on or incorporated into a steering wheel assembly and provides an output signal which varies as a function of the distance between the sensor and the driver of the vehicle such that the position of the driver can...http://www.google.de/patents/US6254127?utm_source=gb-gplus-sharePatent US6254127 - Vehicle occupant sensing system including a distance-measuring sensor on an airbag module or steering wheel assembly
