| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve a problem that winning right information can not be distributed to winners in real time by broadcasting although a result is clarified in a broadcast program in real time. <P>SOLUTION: A broadcast station 101 provided with a broadcast server 104 executes data broadcasting for mobile TV reception terminals, the broadcast station sells an interactive program of a viewer participation type for a sponsor enterprise 103 as a program broadcast frame, broadcasts CM in the program frame, and provides the interactive program of a viewer participation type, the reception terminals participate in the program, the reception terminals carry out replies to a quiz and participation in a prize competition via the Internet 106, when winners are determined, the right information is encrypted and broadcasted by a data broadcasting, the encryption system information is registered in advance to the broadcast server, it is possible to distribute the right information to particular viewers, the particular viewers can decrypt the encryption by using the encryption system registered in themselves, the winner brings the reception terminal storing the right information to a store operated under a store system 105 so as to receive a prize. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
