| 摘要 |
PURPOSE: An electronic portable radio score board is provided in order that a head or assistant umpire operates the score and time fast and simply by composing a score board body and a radio controller separatively. CONSTITUTION: The electronic portable radio score board includes a radio controller(100) and a score board body(200). The radio controller(100) is composed of a battery(110), an RF transmitter(120), an input portion(130), a control portion(140) and an LCD display portion(150). The input portion(130) inputs the increased and decreased signal and the reset signal. The RF transmitter(120) transmits the input signal of the input portion(130). The control portion(140) manages the game time and the score of each team electronically. The LCD display portion(150) outputs the result of the control portion(140). The battery(110) supplies power to the RF transmitter(120), the input portion(130), the control portion(140) and the LCD display portion(150). The score board body(200) is composed of a battery(210), an RF receiver(220), an input portion(230), a control portion(240) and a display portion(250). The RF receiver(220) receives the input signal of the input portion(130). The input portion(230) inputs the increased and decreased signal and the reset signal. The control portion(240) manages the game time and the score of each team electronically. The display portion(250) outputs the result of the control portion(240). The battery(210) supplies power to the RF transmitter(220), the input portion(230), the control portion(240) and the LCD display portion(250).
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