TELEPHONE SET CAPABLE OF AUTOMATICALLY RECEIVING NATURAL DISASTER ALARM

摘要

PURPOSE: A telephone set capable of automatically receiving a natural disaster alarm is provided to store a natural disaster alarm in the case that a call is not received for a certain time and repeatedly output a natural disaster alarm through a speaker. CONSTITUTION: A communication circuit(102) includes a tone ringer(112) for receiving a call signal from a telephone office, a dial controller(110) which is formed of a tone signal generator for transmitting an opponent subscriber number and a line connection circuit, a speech circuit for a communication of a dial-based opponent call telephone or an externally inputted call communication. A voice storing unit(104) which performs a recording function of a natural disaster alarm includes a recording unit and a memory unit. A tone detection and generator(108) which detects and generates a tone signal includes a tone detector for detecting a tone signal from a natural disaster organ and a tone generator for generating a tone signal transferred to a main computer of a natural disaster transfer organ. A central controller(micro-controller)(106) controls all other elements of the telephone. An audio amplifier(200) amplifies a signal reproduced by the audio storing unit(104) and transfers to the speaker(202).