| 摘要 |
PURPOSE:To provide the card lock system where data stored in the memory of a card reader is read in to restore a host machine in the case of destruction of data in the host machine. CONSTITUTION:The host machine to which plural lock release controllers are connected by online is provided with an online communication part 5 which supplies data for card decision to each lock release controller and reads data for car decision stored in each lock release controller. The host machine stores data for card decision, which is supplied to each lock release controller, in a hard disk 7 as master data and updates this master data with data for card decision read out of each lock release controller. |
