| 摘要 |
<p>An efficient billing system for value-added information. The present invention provides an efficient billing system in which an information provider can bill an information service fee in an efficient manner when the receiving device of a user receives toll information via radio communications, typically satellite (1) communications. The present invention essentially comprises a main unit (2) at a transmitter side having a host computer with a database for storing data of various types and a transmitter for radio communications, and a plurality of terminal units (3) for receiving said various types of data. Each data frame of various data types transmitted from the main unit has a data identification code identifying the corresponding data type. The terminal unit stores utilization status data which are processed and executed. The utilization status data singly or in combination with public utilities rate data are fed back to the main unit. Alternatively, information service fee is added onto the public utilities rate before they are billed. <IMAGE></p> |
