US Patent 7114169 Geographically specific signal communications receiver

A geographically specific signal communication receiver in a television receiver that selects one or more messages or warnings that are of interest for display by the television screen from a group that includes other messages or warnings that are not of interest. Each message or warning has an associated code that is compared with one or more codes stored in the receiver and when there is a match between the received code and the stored code, the received message or warning associated with the matched received code is passed to a video display for presentation.