Football and Technology

Deutsches Patent- und Markenamt


Referee Equipment

The whistle and other signalling devices

The whistle is obviously the most striking tool of a referee besides the red and yellow cards ... more

Other referee accessories

The yellow and red warning cards were introduced at the 1970 World Cup in Mexico as a consequence of the controversial match between Argentina and England at the 1966 World Cup ... more

Electronic positioning systems for players and ball

Many recent applications aim to provide referees with electronic aids for decision making