Patent ID: 7736249

Claim:
A digitally controlled fully automatic and user programmable table tennis robot comprised of a ball holding container and an electric motor driven ball feeding mechanism disposed at the bottom of the robot, a vertical multi sectional extendable and retractable shaft with its bottom end connected to the outlet of said ball feeding mechanism and top end connected to one of the upper parts of the robot, supporting said upper parts of the robot and providing a vertical passageway for table tennis balls from said ball feeding mechanism to said upper parts of the robot; a ball projecting head comprised of two directly motor driven speed controlled ball projecting wheels mounted around and across a ball passage pipe, an electric motor driven horizontal angular position mechanism, an electric motor driven vertical angular position mechanism, an electric motor driven sidespin angular position mechanism, a tripod attached to said multi sectional vertical shaft to support the robot on the floor, a digital controller comprised of a CPU and proper power electronics, sensor electronics, logic, memory, user interface and programming.