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Emergency alert systems and methods

  • US 8,509,727 B2
  • Filed: 06/30/2005
  • Issued: 08/13/2013
  • Est. Priority Date: 06/30/2005
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a proxy server coupled to an emergency alert system receiver operable to parse emergency alert signal message data fields from an emergency alert system signal received from the emergency alert system receiver into a frequency shift keying tones field, a federal information processing standard code field, a text of message field, and a message ID field associated with the text of message field, wherein the frequency shift keying tones field is adapted to store frequency shift keying tones formatted in an internet protocol audio format;

    a subscriber management database coupled to the proxy server and operable to receive the federal information processing standard code field and the message ID field from the proxy server and to generate an affected subscriber list including a customer premise equipment identifier and an associated message ID by matching the federal information processing standard code to a matching physical location identifier, wherein the subscriber management database includes a table including customer equipment identifiers corresponding to physical location identifiers, the subscriber management database further operable to generate an additional processing group list and a language group list from the affected subscriber list based on group list identifiers included in the subscriber management database, wherein any message data fields associated with affected subscribers in the additional processing group list require additional processing of a broadcast message directed to these affected subscribers and affected subscribers in the language group list require messages sent in a particular language; and

    an instant messaging server coupled to the proxy server and to the subscriber management database, the instant messaging server being operable to receive the affected subscriber list including the customer premise equipment identifier, the associated message ID, the additional processing group list, the language group list from the subscriber management database, the text of message field, the message ID field associated with the text of message field, and the frequency shift keying tones formatted in an internet protocol audio format from the proxy server, the instant messaging server being further operable to generate a broadcast signal using instant messaging including the affected subscriber list in an Internet Protocol (IP) format and the text of message field in an IP format by matching the associated message ID, the message ID field associated with the text of the message field, and the frequency shift keying tones formatted in an internet protocol audio format, the broadcast message using instant messaging operable to be displayed in real-time on a device associated with the customer premise equipment identifier included in the broadcast signal, including performing the additional processing of the broadcast message for the messages directed toward the affected subscribers from the affected subscriber list who are also included in the additional processing group list, wherein the customer premise equipment identifier is associated with a set top box which is associated with an IP television and the broadcast signal is adapted to cause the set top box to turn on the IP television, the instant messaging server operable to broadcast the broadcast signal in the IP format to the customer premise equipment device over an IP network, the customer premise equipment device, the set top box, and the IP television coupled to the instant messaging server through the IP network, the customer premise equipment device operable to detect a customer premise equipment identifier that identifies the customer premise device and, responsive to detection, receive and display the broadcast signal, including the text of message field.

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