| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To make reception outside a region impossible in broadcasting for which the region is limited like the retransmission of digital terrestrial broadcasting by an Internet protocol. <P>SOLUTION: In region information registration means 3 and 13, the region information of the region where the reception (relay) systems 10 and 20 are located is registered. Region information detection means 4 and 14 detect the region information of a reception object region from input broadcasting data. Display (output) control means 5 and 15 perform control so as not to display (output) input broadcasting when the region information in the region information registration means and the one in the region information detection means do not match. Also, the region where the reception (relay) system is located is confirmed by region information confirmation means 7 and 17, and the inputted broadcasting is not displayed (output) when it does not match with the registered region information. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
