| 摘要 |
<p>PURPOSE:To allow right payment to a game house only for a right demand by a method wherein arithmetic results done by the arithmetic storage means and by the auxiliary arithmetic means are done under concentrated control by the administrating device and transmitted to the storage medium issuing center. CONSTITUTION:A ball lending machine 4 is arranged between pinball machines 5. Main control 41, amount indicator 34, purchase selecting switch 35, supplied ball detector 38 and ball releasing device 39 are connected to a local control 42 electrically. Main control 41 is connected to an administrating device 7 through a transmission passage 6 in the game house. As the main control 41 is sealed at the card issuing center 1 and distributed to each pinball game house, storage method or location of valuable data, etc., to be stored in a card, arithmetic processing method at CPU, communication specification with the administrating device 7 and enciphering method of data, etc., are not open to the public. Also, local control 42 controls only ball lending operation, but does not perform arithmetic sales data operation, etc. Therefore, it is impossible to get money unjustly, and right payment is enabled.</p> |
