System and a method for transmission of information

A system for transmission of information between at least two players in a training area comprises means on a first of said players for encoding light pulses and means for transmitting information in the form of such coded light pulses towards at least one second (-) of said players, said second player having means for receiving said light pulses and means for decoding the information thereof. Each of said players is provided with a clock, and the system comprises means for keeping said clocks synchronized. The encoding means and the decoding means are adapted to utilize data of times of transmission and receipt of said light pulses for transmitting information from the first player to the second player.