PORTABLE DISPLAY TABLE USED TO RELIEF OF PLAYER IN STADIUM

摘要

PROBLEM TO BE SOLVED: To provide a portable electronic display table which is used to display the relief of a player. ;SOLUTION: The table is operated by a rechargeable storage battery. If a button 2 is pressed, a current flows in a control card and two display boards 4 and 5 are activated. The boards 4 and 5, which are arranged on the both sides of the table, work as the numeral selectors for 0 to 9 and display the uniform number of the player who is asked to be relieved and the uniform number of the new player who is going to take over the other player. The number settings for the first board 4 are performed by buttons 6 and 7 and the settings for the second board 5 are done by buttons 8 and 9. The numeral of the first display increases from 0 to 9 and the numeral of the second display decreases from 9 to 0. The set numerals are displayed on the left side and the back right side and the right side and the back left side by pressing buttons 10 and 13.;COPYRIGHT: (C)1997,JPO