| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To transmit information from a terminal device on the transmission side to a terminal device on the reception side located in an area designated by user. <P>SOLUTION: A repeater is provided with the terminal device 110A on the transmission side which transmits information to the terminal devices 110B, 110C, located in a designated area 170 by specifying the designated area 170; an area designation simulcast server 120, provided with a receiving means which receives the information transmitted from the terminal device 110A to the terminal devices 110B, 110C located in the designated area 170; and a designated-area information transmission means which transmits information of the designated area 170 to one terminal device 110 that is likely to be located in the designated area 170 in the terminal devices 110 located in a communicable area; and the terminal devices 110B, 110C which receive the information transmitted from the terminal device 110A, only when it is decided that own device is located in the designated area 170, specified by the terminal device 110A via the area designation simulcast server 120. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
