Electronic points totaliser for tennis - is worn on wrist strap and has three separate displays for each player, operated by pushbutton

摘要

The tennis points totaliser is operated electronically by means of batteries and is worn on the wrist, using a strap. It calculates and displays the points, games, sets and the winning player, using three separate display panels for each player. The central displays record the points 15 - 30 - 40, resetting itself to zero. The left hand displays have five panels and indicate the number of games won in the set. The right hand displays show the number of sets won by each player. The past results being recorded over a total of five sets.