| 摘要 |
PROBLEM TO BE SOLVED: To prevent drawbacks of unnecessary processing generated by transmission of a signal even though a receiver cannot conduct normal processing.SOLUTION: In order to recover data of a game unit CU based on recovery data of a game machine P after the CU recovers from power interruption, recovery response is transmitted from the P, a detail recovery request is transmitted to the P and a detail recovery response is returned from the P when a card ID and card insertion time included in the recovery response coincide with a card ID and card insertion time stored in the CU, and the CU is recovered based on the recovery data included in the detail recovery response. |
