Device for controlling characteristic e.g. diameter of drawing ball for lotto e.g. gambling game, has balance connected to computer so that weight of drawing ball is sent to computer, and reading antenna connected to computer

摘要

The device (1) has a control system for controlling a diameter of a drawing ball (4). A balance (2) is connected to a computer (12) so that the weight of the drawing ball is sent to the computer. A reading antenna (13a) of the control system is connected to the computer. The system has a support (5) with an opening, whose thin diameter is lower than desired diameter of the drawing ball, where the support is located at a top of another support.