| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a card-charging system in which a relationship is established between an amount of money collected by a user and a view charge determined by a program provider, then, a facility administrator collects appropriate charge from the user. <P>SOLUTION: An adaptor unit A stores a point rate table where a point rate corresponding to each channel is designated, a view time detection means 25 detects a view time of a channel associated with viewing by a monitor M on the basis of the control over the monitor M by a monitor control section 22, a point balance means 27 acquires the point rate corresponding to the channel from the point rate table PT, multiplies the point rate by the detected view time to calculate the point used in the viewing, calculates a point balance value by subtracting the point used in the viewing from available points 13 read from a card C, and a card update means 28 writes the calculated the point balance value to the card C to update the available points 13. <P>COPYRIGHT: (C)2007,JPO&INPIT |
