| 摘要 |
PROBLEM TO BE SOLVED: To provide a charge control device that easily replaces equipment, such as a game machine at a game center or the like. SOLUTION: In a charge control device, that exchanges information between slave telephones 2a,..., 2n consisting of each kind of equipment and a master telephone 12 for centrally controlling a personal computer, the slave telephones 2a,..., 2n and the master telephone 12 have modems 3a,..., 3n and 13 that impress the information to a commercial power supply line for supplying a power of 100 V and 200 V for exchange.
|
