| 摘要 |
PROBLEM TO BE SOLVED: To provide a unit managing method and its system by which a careful service is performed in response to a user's usage situation based on intrinsic information of the unit which is connected to a network. SOLUTION: The system is provided with a plurality of units 24-26 having a non-volatile memory or a backup memory which stores information concerning the usage situation of a self unit on the network 28 and a center device 23 collecting the information concerning the usage situation of the self unit which is stored in each unit 24-26 via the network 28 and managing devices 22 and 23, storing collecting information by making them into a database and deciding a demanded money amount to the user based on information concerning the usage situation of each unit 24-26. |
