| 摘要 |
PROBLEM TO BE SOLVED: To provide an access management system allowing advance detection of occurrence of an unauthorized access act itself such as tailgating access.SOLUTION: The access management system includes: display devices which are worn by users and which can each display a state of an access qualification in an entrance; location detection devices each capable of detecting presence of the display device in a prescribed area near the entrance; and user management devices each controlling the display of the display device through the location detection device. The user management device has: a storage part storing a present state of a user; an authentication means authenticating whether or not the user has the access qualification; a clocking means measuring a time for which the display device stays near the entrance based on a detection signal from the location detection device; a decision means deciding that it is in a stay warning state when the clocking means measures a time exceeding a prescribed time, that it is in a permission state when the authentication means can authenticate the user, and that it is in a non-permission state when cannot authenticate the user, and updating the present state of the user in the storage part; and a display control means making a display device display the present state of the user of the storage part by non-contact communication. |
