GAME MACHINE SYSTEM, BROADCASTING SYSTEM, DATA DISTRIBUTION SYSTEM AND IT'S METHOD, AND PROGRAM EXECUTING DEVICE AND IT'S METHOD

摘要

An optical disc having a game software recorded therein and software identification information appended to the game software, is used at a receiving side of a communications system for receiving digital from a transmitting side. The digital data include distribution data and software enable signals generated in response to the software identification information periodically transmitted to the transmitting side. The game software and distribution data can be selectively used If the whenever the software is accepted by the transmitting side.