Patent ID: 7616942
Filing Date: 2009-11-10
Classification: G08B,H04W

Abstract:
1. A method of disseminating emergency information comprising the steps of: receiving event transmission information by a first receiver from NOAA indicative of an emergency within a geographic area, said event transmission information including an emergency alert system (“EAS”) signal, said EAS signal including an event code, location code and a message, receiving a NOAA signal within said geographic area by a wakeup antenna, providing a wakeup signal in response to receiving said NOAA signal by said wakeup antenna to activate a passive receiving device within said geographic region, extracting said event code, location code and message from said EAS signal by said first receiver, identifying the nature of said emergency event from said event code by said first receiver, identifying at least one cellular tower within a predetermined distance of a specified location identified by said location code within a portion of said geographic region by said first receiver, formatting said message and event code corresponding to said emergency event by said first receiver, transmitting said formatted message and event code to said at least one cellular tower by said first receiver, broadcasting said formatted message and event code by said cellular towers, receiving said formatted message and event code broadcast from at least one cellular tower by said passive receiving device if said passive receiving device is within said portion of said geographic region, deactivating said passive receiving device if said formatted message and event code broadcast by said at least one cellular tower is not received within a predetermined period of time.