Endgerät, Informationsversorgungszentrum, Übertragungssystem und -verfahren

摘要

A transmitting system is provided in which a data once downloaded in a memory means of a terminal apparatus (3A,3B,3C) from an information service center (2) is returned to the information service center (2) while the returned data is deleted from the memory means of the terminal apparatus (3A,3B,3C), and a fee for a next new data purchased by the terminal apparatus (3A,3B,3C) from the information service center (2) is discounted or not charged.