| 摘要 |
PROBLEM TO BE SOLVED: To provide a room entry/exit control system which easily retrieves where the number of persons is reduced to one and who is the one remaining person by retrieving an event that the number of persons is reduced to one in a specific area such as a security room. SOLUTION: This room entry-exit control system 1 for controlling the entry-exit into and from a specific area records a "one person presence start history" having at least the personal ID of a present person and the information on the date of occurrence of the start of presence of one person when the number of persons in the specific area which is obtained from entry-exit information is reduced to one, and after the number of persons is not one, records a "one person presence end history" having at least the personal ID of the present person and the information on the date of occurrence of the end of the presence of one person. COPYRIGHT: (C)2011,JPO&INPIT |
