| 摘要 |
PROBLEM TO BE SOLVED: To promote mutual understanding among persons involved such as players, managers, coaches at exercise or meeting in game or to communicate movements and positions of players to TV viewer or audience in various sport games. SOLUTION: A transmitter is attached to players or balls in various sport games and the transmitted signals are received, analyzed and displayed to help understanding of the movement of the game. The images are also recorded to enhance mutual understanding by seeing player's movement afterward.
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