Patent ID: 7908218

Claim:
A data processing method in an accounting system including an accounting center and a terminal device communicating with the accounting center, the method comprising the steps of: storing accounting points in a first memory of the terminal device; storing distributed information distributed from an external source and attributes corresponding to the distributed information in a second memory of the terminal device and setting the attributes to an unavailable state; updating the accounting points stored in the first memory of the terminal device and updating the attributes of the distributed information from the unavailable state to an available state when the accounting points are updated correctly based on the distributed information; transmitting the accounting points stored in the first memory of the terminal device to the accounting center; carrying out an accounting processing in the accounting center based on the accounting points transmitted from the terminal device, and restoring the accounting points in the first memory to an initial value after receiving a notification from the accounting center indicating that the accounting processing has ended normally.