| 摘要 |
PROBLEM TO BE SOLVED: To speedily and exactly perform sales management by machine types and time bands of game machines at an amusement center. SOLUTION: This system is provided with an AC line signal transmission/ reception part for extracting and receiving a signal transmitted while being superimposed on an AC line by fitting an AC line communication unit 8 to each game machine 7 so as to transmit the identification data of game machine, time data and the cumulative sales at a time point when a sales data transmitting command is received. Further, a radio transmission/reception part and an inter-phase data transmitter 9 are provided for exchanging the data between different feeder line systems through radio. Then, the system is composed of a sales management control unit U1 (GMPC, ACCT) for performing the sales management by the machine types and time bands by sending the sales data transmitting command to the communication unit of each game machine and receiving the sent sales data. |
