| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce the troublesomeness in payment of a charge. <P>SOLUTION: A method has the step of calculating the charge according to the charge amount of a battery selected according to the purpose (300), and the step of displaying the calculated charge on a touch panel 32 (302). Additionally, the method has the step of updating a charge database in each predetermined use unit (for example, each room unit, family unit, or individual unit of an apartment house) (306). Thus, the accounting for the use of a charging apparatus over a plurality of number of times is achieved in each predetermined time unit. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
