Automatic score device of table tennis

Today, the so-called ping-pong is from the traditional tennis, originated in the late 19th century England, due to the space and weather restrictions, this exercise is moving from outdoor into indoors, and uses the table as a venue, then, slowly transfer into the current ping-pong. In 1998, the Summer Olympus Games make the exercise as an official item in the game; hence, it becomes a popular sport in the world. To watch the ping-pong game closely, we find that all of the score is manually determine by referees, if the player hits a high tough shot, then the score is very difficult to decide, hence, it often cause a competition dispute. According to the mentioned above, the paper design an intelligent scoring system, Firstly, set up the optical sensor on the table tennis to detect the location of the ball. Secondly, vibration sensor in tennis net is established to judge the ball touches the net or not. Finally, use LED panel to display the moving of track for the ball and calculate the score. After the system is developed, it not only can help to get the correct score, but also can let audience watch more clearly live games.