| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an entry/exit management system for preventing unavailability of storage and deletion of history information data. <P>SOLUTION: An entry/exit management device connected to a monitoring center is provided with an electric lock, a reader reading an authentication storage medium storing authentication data necessary for determination of permission/prohibition of entry/exit, and a controller outputting a locking instruction or an unlocking instruction to the electric lock when agreement is obtained between the authentication data of the authentication storage medium read by the reader and previously stored data as a result of collation between the both data. The controller is constructed of a history data storage part 14 storing history information data, a history information number detection part 12 counting the number of history information data stored in the history data storage part 14, and a history information number notification means 11 notifying the monitoring center of the fact that the number of history information data measured by the history information number detection part 12 exceeds a previously set threshold value. <P>COPYRIGHT: (C)2008,JPO&INPIT |
