| 摘要 |
<p>The training device (1) includes ball providers and ball receivers (11o,11u) used to provide a user with a ball and for interacting with the ball received by the user. The ball providers and ball receivers are provided with optical and acoustic signal generators for providing optical and acoustic signals to indicate the ball interaction of the player. he ball providers and ball receivers are arranged in a playing field (10) in predetermined delimitation. An independent claim is included for the training method using the training device.</p> |
