| 摘要 |
A unidirectional television system such as satellite television broadcasting system, is intended to transmit charging information corresponding to the content of the program being transmitted in the digital form at certain time intervals, and keep an account of the amount by a charging amount accounting means built in the receiver from said information and the time of receiving the television program, write charge data proportional to the amount in a memory, read out the charge data in the memory when necessary, and display it on a display means. |
