Apparatus and method for determining projectile impact locations
Apparatus and method for determining projectile impact locations
Apparatus and method for improving a golf swing
Apparatus and method for tracking the flight of a golf ball
Apparatus and method for tracking the flight of a golf ball
Apparatus and method for water jumping game
Apparatus for analyzing the movement of a device to be manipulat
Apparatus for assisting a golfer to keep the golfer's head level
Apparatus for detecting passage of a game medium and a game...
Apparatus for diagnosing the swing of a club, racquet, bat or si
Apparatus for facilitating the teaching and practice of soccer r
Apparatus for fixing inclined position of stand plates and the l
Apparatus for guiding a golf swing
Apparatus for hit scoring targets
Apparatus for improving a golfer's putting stroke
Apparatus for motorcycle polo game
Apparatus for playing a ball game
Apparatus for playing a spectator-controlled game
Apparatus for playing marbles
Apparatus for practicing putting and chipping