Telephonic communications – Emergency or alarm communications – Announcement or alarm received at terminal station
Patent
1998-05-28
1999-09-07
Chan, Wing F.
Telephonic communications
Emergency or alarm communications
Announcement or alarm received at terminal station
37911001, 340601, H04M 1104
Patent
active
059498510
ABSTRACT:
A severe weather warning system is provided including an indicator mechanism adapted for providing an indication of a weather disturbance upon the receipt thereof. A modem has an outlet port connected to a conventional phone and an inlet port connected to a telecommunication network. During use, the modem has a first mode of operation for allowing the transfer of audio signals between the inlet port and the outlet port and a second mode of operation for when a weather disturbance is detected. Next provided is control circuitry adapted for transmitting to the indicator means the indication of a weather disturbance. Finally, a central control base includes a source of weather data for supplying a geographical location of a weather disturbance and a description of the weather disturbance, a subscriber database having stored therein a plurality of phone numbers of users and further the geographical location thereof, a modem adapted for calling a phone number, and a computer adapted to effect the transmission of the indication of a weather disturbance by the indicator means upon the detection of a weather disturbance by the source of weather data. Such phone number corresponds to a user residing within a geographical location wherein a weather disturbance is present as indicated by the source of weather data.
REFERENCES:
patent: 5541980 (1996-07-01), Urewicz
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