| 摘要 |
PROBLEM TO BE SOLVED: To provide a receiving terminal, a receiving system and its charging method, which realize charging corresponding to the receiving state. SOLUTION: On the receiving terminal side, viewing is started (S101), and the state of received radio wave is confirmed (S102). The level of the received radio wave is compared with a reference value of a level where reproduction has been considered difficult in advance. When it is checked whether the level is at most the reference value (S103), and it is judged that the level is at most the reference value (S103/'YES'), present time information at that time is recorded (S104). Next it is judged whether the broadcast of toll broadcasting data is ended (S105). When the broadcast is ended (S105/'YES'), the rate of period where the viewing was difficult is calculated from the time information, where the viewing was judged to be difficult and recorded and broadcasting time information (S106). The rate is transmitted to a broadcasting station (S107), and viewing on a receiving terminal is ended (S108). The broadcasting station adjusts the charging to the receiving terminal, on the basis of the rate transmitted in S108.
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