A display device that displays the number or speed of pitchers in baseball or softball.

摘要

PROBLEM TO BE SOLVED: To make a baseball participant and / or a baseball viewer visually recognize a pitcher's ball number or ball speed even though it is a simple device. SOLUTION: A device for displaying the number or speed of a ball thrown by a pitcher in baseball, and a display 100 for displaying a numerical value so as to be visually recognizable by a baseball participant and / or a baseball viewer. An input device 200 for inputting the number of balls to be displayed on the display device 100, a measuring device 300 for measuring the ball speed displayed on the display device 100, a display device 100, and one of the input device 200 and the measuring device 300. The display 100 includes a connection cable 400 for selectively connecting, and the display 100 includes a supply unit that receives power supply via the power cable 500, displays the number of balls or the ball speed by the supplied power, and connects the connection cable 400. Power can be supplied from the display 100 to the measuring device 300 via the display 100. [Selection diagram] Fig. 2