To effectively give an alarm such as an earthquake flash report, and to efficiently deliver the earthquake flash report by acquiring the connecting state or operating state of an alarm device in advance.
The alarm device 100 comprises an alarm sound signal composition part 151 combining alarm data with sound information to generate an alarm sound signal; and an output part 153 outputting the alarm sound signal combined by the composition part 151 to an output device. The information delivery device comprises a priority information change part changing, based on a connection request received form the alarm device 100 and report information, delivery priority information showing the priority of delivering information; and an information delivery part delivering information to the alarm device 100 based on the priority shown by the delivery priority information changed by the change part.
FURUSE YOSHIHIRO
MIYAZAKI SHINICHIRO
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