| 摘要 |
PROBLEM TO BE SOLVED: To provide a meter system capable of simply performing a registration alteration while ensuring the security when changing the model of a mobile terminal in a meter system including a meter registered in the mobile terminal.SOLUTION: When permitting a required registration alteration, the server transmits a piece of alteration permission information A including a piece of intrinsic information of the meter and a current terminal to a new terminal (S24). The new terminal which has received the alteration permission information A transmits alteration permission information B including a piece of intrinsic information of the meter, the current terminal and the new terminal to the meter (S26). The meter which has received the alteration permission information B replaces the permitted terminal with the new terminal (S29), and the new terminal which has received the alteration permission information A stores the intrinsic information of the meter (S2D). |
