Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
With "Trajectory Watch" the sightless can feel the trajectory,and the know the trajectory as the same as the normal when playing tennis."Trajectory Watch" can complete the playing tennis dream of the people with visual impairment. It can detect the tennis trajectory and send voice to help them to decide how to play tennis .
Xiangtan City Hunan Province, China