| 摘要 |
PROBLEM TO BE SOLVED: To reduce loads of a server and network facility by leveling processing loads in downloading correction software to a mobile communication terminal. SOLUTION: In each of mobile communication terminals A and B, an update notification including an icon start time to start displaying an update notification icon set dispersed temporally is received from a distribution server (A1 and B1) and, when a time in an own mobile communication terminal has reached the icon start time set to the own mobile communication terminal, the update notification icon is started (A5 and B5). Thus, in the respective mobile communication terminals, the update notification icons are started at the icon start time set dispersed temporally, the correction software is downloaded according to an instruction of a user who perceives the icons, and software is updated (A7 and B7). COPYRIGHT: (C)2008,JPO&INPIT
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