| 摘要 |
PROBLEM TO BE SOLVED: To perform appropriate reception control or the like without allowing a slave station to be equipped with a high-precision and expensive timer. SOLUTION: In the disaster prevention administration radio system for transmitting information to be broadcasted from a master station to the slave station for outputting broadcasting at the slave station, the master station has a transmission processing means for performing transmission by adding time information obtained from a clock at its own station when transmitting to the slave station, and the slave station has a control means used for taking out time information being transmitted to be used for reception control.
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