Covert sports communication system

A method of sending baseball signals wirelessly to body-worn receivers on a baseball field, the method comprising:

• receiving an input selecting, on a transmitter during a baseball game, a group of baseball instructions of a particular type of baseball instruction from a plurality of groups of baseball instructions of different types of baseball instructions as a selected group;
• receiving an input selecting one of the baseball instructions within the selected group as a selected baseball instruction to be performed by a player during the baseball game after receiving the selected baseball instruction;
• encrypting a selection signal corresponding to the selected baseball instruction to generate an encrypted selection signal using a shared key for encrypting and decrypting communications among a plurality of devices associated with a baseball team;
• wirelessly transmitting, from a transmitter, the encrypted selection signal corresponding to the selected baseball instruction;
• receiving at a body-worn receiver the encrypted selection signal;
• decrypting the encrypted selection signal at the body-worn receiver to obtain the selection signal at the body-worn receiver;
• selecting a visual instruction corresponding to the selection signal from a memory of the body-worn receiver, the visual instruction providing a visual representation of the selected baseball instruction comprising a textual representation of the baseball instruction;
• and
• reproducing the visual instruction providing the visual representation of the baseball instruction on the body-worn receiver on a display visible to the player wearing the body-worn receiver to prompt the player to perform the selected baseball instruction.

A method of sending baseball signals wirelessly to body-worn receivers on a baseball field, the method comprising:

• receiving an input selecting, on a tablet during a baseball game, a group of baseball instructions of a particular type of baseball instruction from a plurality of groups of baseball instructions of different types of baseball instructions as a selected group;
• receiving an input selecting one of the baseball instructions within the selected group as a selected baseball instruction to be performed by a player during the baseball game after receiving the selected baseball instruction;
• encrypting a selection signal corresponding to the selected baseball instruction to generate an encrypted selection signal using a shared key for encrypting and decrypting communications among a plurality of devices associated with a baseball team;
• wirelessly transmitting, from a transmitter, the encrypted selection signal corresponding to the selected baseball instruction;
• receiving at a body-worn receiver the encrypted selection signal;
• decrypting the encrypted selection signal at the body-worn receiver to obtain the selection signal at the body-worn receiver;
• selecting a visual instruction corresponding to the selection signal from a memory of the body-worn receiver, the visual instruction providing a visual representation of the selected baseball instruction comprising a textual representation of the baseball instruction;
• and
• reproducing the visual instruction providing the visual representation of the baseball instruction on the body-worn receiver on a display visible to the player wearing the body-worn receiver, wherein the baseball instruction is displayed as a visual image to prompt the player to perform the selected baseball instruction.