The portable terminal unit, the communication device, in the log acquisition manner and the time of the entrance retreating/quitting chamber in the portable terminal unit to the entrance retreating/quitting

摘要

PROBLEM TO BE SOLVED: To provide a mobile terminal device, function setting changing method and log analyzing method in which setting is performed to use a function different for each user even in the same space and even at the same time when function setting of only an authenticated user can be changed but it is difficult to change function setting only by user operation.;SOLUTION: A mobile terminal device includes a radio communication section 1121 for performing radio communication with a communication apparatus which transmits function setting change information for changing setting of one or more functions, and a function setting change section for changing function setting upon reception of the function setting change information in the radio communication section 1121. When changing function setting by the function setting change section, presence/absence of authority is authenticated by an authentication server 1300 which determines the presence/absence of authority to change function setting.;COPYRIGHT: (C)2007,JPO&INPIT