Telecommunications – Radiotelephone system – Emergency or alarm communication
Patent
1998-01-02
2000-08-29
Tsang, Fan
Telecommunications
Radiotelephone system
Emergency or alarm communication
455521, 455556, 455557, 455228, 340539, H04Q 720
Patent
active
061120758
ABSTRACT:
A method of communicating emergency warnings to persons within a selected in a region served by a cellular communication system that comprises a plurality of transmission stations, includes providing persons in the area with warning devices that generate an emergency warning in response to a predetermined signal; identifying at least one transmission station in the communication system to transmit the predetermined signal to warning devices in the selected area; and transmitting the predetermined signal from the identified transmission station to cause warning devices in the selected area to generate emergency warnings. The system for implementing this method includes a plurality of warning devices disbursed throughout the area, and a device for identifying one or more signal transmission stations in the cellular communication network appropriate to transmit the predetermined signal to warning devices in the selected area, and causing the transmission stations identified to transmit the predetermined signal to cause warning devices in the selected geographic area to generate emergency warnings.
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Sobutka Philip J.
Tsang Fan
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