| 摘要 |
PROBLEM TO BE SOLVED: To reduce electric charges for the display of a score board display device and to input score in the score board display device by wireless. SOLUTION: A score board system comprises a score board body 11 displaying team names and score, a wireless modem 12, and a score control panel 14 in a control room 13. Supply voltage of the score board body 11 is supplied from a solar battery panel 15. When data to be displayed on the score board body 11 is inputted from the score control panel 14, this data is converted into a radio signal and transmitted to the score board body 11, and the team name and score are dot-displayed.
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