| 摘要 |
PROBLEM TO BE SOLVED: To share interesting presentations among any multiple individual persons by transmitting personal data among them using a bi-directional communication technology. SOLUTION: When a player A operates a switch 17 of a portable transmitter/ receiver 1 pointing to a player B, a personal ID (A) of the player A is transmitted from a light-emitting part 14 and is received by a light-receiving part 16 of the player B. Next, a return ID (A) and a personal data of the player B is transmitted from a light-emitting part 14 of the portable transmitter/receiver 1 of the player B and is received by a light-receiving part 16 of the player A, and is stored in a memory for other persons 23. When the player A communicates with several other players, several personal data is stored in the memory 23. These data can be displayed using a printer, etc., and the player A enjoys the presentation by knowing with whom he communicates. |
