An automatic automobile headlamp leveling device is provided for a headlamp which is driven by an actuator so that a light axis of the headlamp can be tilted up or down relative to a vehicle body. A vehicle speed detection sensor is provided for detecting the vehicle speed, a pitch angle detection sensor...http://www.google.com/patents/US6349251?utm_source=gb-gplus-sharePatent US6349251 - Automatic automobile headlamp leveling device
