An automatic angle-adjustable display device and an angle-adjustable method are provided. The automatic angle-adjustable display device includes a screen, three wireless transmitting and receiving sensors, an angle adjustment mechanism and a control unit. The wireless transmitting and receiving sensors...http://www.google.com/patents/US7898429?utm_source=gb-gplus-sharePatent US7898429 - Angle-adjustable method and automatic angle-adjustable display device
