EMERGENCY DISASTER FLASH TRANSMISSION SYSTEM

摘要

A system for stably transmitting an emergency disaster flash simultaneously to hundres of thousands to millions of households. The system comprises a distribution server (20) for distributing an emergency disaster flash containing data on the Japanese seismic intensity, the earthquake occurrence time, the epicenter transmitted from the Japanese Meteorological Agency (10) to disaster flash transmitter installed in CATV broadcast facilities, a disaster flash transmitter (30) which creates guidance broadcast data by computing the data on the emergency disaster flash distributed from the distribution server and subscriber position information to create guidance broadcast data, FM-modulates the guidance broadcast data, and transmits the receivers in the subscribers' houses through CATV network cables, and in-house receivers (50) each of which is connected to a CATV network cable, receives the guidance broadest data through the disaster flash transmitter, and outputs the data to a warning device.