US Patent 11904218 Method for measuring a player's swing time

A method for improving a player's performance, such as reaction time or swing time by measuring the time it takes a player to change from a load position to a swing position where the player's bat makes contact with the ball when presented with a stimulus emitted from a timer. This method measures the time elapsed by utilizing a timer that configured to emit a stimulus, such as an audible sound, receive an external stimulus, such as the sound of the player's bat making contact with the ball, record the time elapsed, and present the time on a display.