| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a charge payment device capable of reflecting the practical state of a target to be used or user's situations when using electricity, gas, water supply, or the like by depositing its charge. <P>SOLUTION: A power card 201 is provided with microcomputer configuration such as a CPU 31 and a PROM 37, a deposit is stored in the PROM 37 and the drawing of charges and input/output management are performed by using the deposit as a funds. <P>COPYRIGHT: (C)2004,JPO |
