US Patent 6912270 Communications system
Patent 6912270 was granted and assigned to British Telecommunications Public Limited Company on June, 2005 by the United States Patent and Trademark Office.
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A message distribution system for distributing a message via a telecommunications network to a plurality of communications terminals comprises: a message unit for contacting each of the terminals and sending the message, memory for storing, for a plurality of said terminals, corresponding terminal address data, and storing also a plurality of geographical element data linking geographical features of a portion of the Earth with location data; input for accepting an input control signal to initiate message distribution; area designation unit to designate a geographical area within the portion of the Earth; terminal derivation unit for outputting the terminal address data of terminals for outputting the terminal address data of terminals recorded as being geographically within the area and supplying the addresses for use by the message unit.
US Patent 6912270 Communications system
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