| 摘要 |
<P>PROBLEM TO BE SOLVED: To tick the same time between a plurality of devices by wirelessly transmitting information of time ticked by one device, even in an unstable wireless environment. <P>SOLUTION: A transmission terminal 100 generates a time notification packet, including notification time data indicating a notification time, measures a transmission delay time that is delay regarding transmission of the time notification packet, including the transmission delay time data indicating the transmission delay time in the time notification packet, and wirelessly transmits the time notification packet including the notification time data and the transmission delay time data to a plurality of receivers 200 by broadcasting. The receivers 200 measures the receiving delay time being delay regarding receiving of the time notification packet, sets the time on the basis of the notification time data, the transmission delay time data and receives delay time data included in the time notification packet, and synchronizes between the transmitter 100 and the receiver 200. <P>COPYRIGHT: (C)2007,JPO&INPIT |
