In a game device of the type which can have one or more sets of symbols which are placed in motion in response to a player playing the game device and which also has apparatus for stopping the motion, apparatus is disclosed for generating one or more random time delays for stopping the motion of the...http://www.google.fr/patents/US4353554?utm_source=gb-gplus-shareBrevet US4353554 - Electronic random delay generator for game devices or the like
Electronic random delay generator for game devices or the like