Patent ID: 9652943
Date: 2017-05-16
CPC Classifications: G08B,G08C

Claim:
1. An electronic play calling system that visually outputs encoded plays to a set of players on a playing field, the electronic play calling system comprising: a plurality of play calling devices visible to the players from a sideline area that is adjacent to and surrounds the playing field, wherein each electronic play calling device comprises a play calling board, an antenna for receiving signals from a remote control transmitter, a plurality of LEDs that are attached to the play calling board and configured to illuminate a multi-colored alpha-numeric pattern of LEDs in at least two colors to represent a translated signal of an encoded football play that is received from the remote control transmitter when a play caller enters the encoded football play to transmit with the remote control transmitter, a battery that provides at least one of a DC power supply and an AC power supply for powering the LEDs, and a housing that encases the battery and play calling board with the attached LEDs, wherein at least one electronic play calling device is a rolling electronic play calling device comprising a set of wheels fastened to a bottom side of the rolling electronic play calling device; and a set of rails on which the wheels of the rolling electronic play calling device fit to move the rolling electronic play calling device along the sideline area adjacent to the playing field.