Patent ID: 7185808

Claim:
An entering/leaving management system including a user IC card on which user identifier information to identify a specific user is recorded, a room IC card on which room identifier information to identify a specific room is recorded, a mobile terminal provided to access the user IC card and the room IC card, and a managing server, the mobile terminal comprising: a time management unit provided to acquire a current time; an IC card reading unit reading the user identifier information from the user IC card and reading the room identifier information from the room IC card; an information storage unit provided to store the user identifier information read from the user IC card together with additional information as entering/leaving managing information; and an information transmitting unit transmitting the entering/leaving managing information stored in the information storage unit, to the managing server, wherein the IC card reading unit reads the room identifier information from the room IC card to initialize the IC card reading unit as to location, wherein the mobile terminal adds the time information acquired by the time management unit and the room identifier information to the user identifier information read from the user IC card by the IC card reading unit, so that the resulting information is stored into the information storage unit as the entering/leaving managing information, wherein, after reading of all user IC cards is completed, the mobile terminal transmits the entering/leaving managing information stored in the information storage unit, to the managing server by using the information transmitting unit, and the entering/leaving managing information is stored in the managing server, and wherein the managing server manages times of arrival and departure of the user through cross reference of the stored entering/leaving managing information with user basic information and room basic information.