| 摘要 |
<p>Device and its variants intended for use in particular in sports activities for counting up or counting down, for cordless transmission, display, recording and storing data characterizing the time and space relationship between one or more players and one or more mobile objects (1) such as a ball, puck, etc. or fixed objects such as a marker, post, etc., comprising a transmitter (2) located in the object (1) and a chronometer-receiver (3) worn by each player. An optional receiver located at a certain distance from the transmitters (2) and chronometer-receivers (3) may be used for repetition of the data captured and recorded by the chronometer-receivers (3).</p> |
