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Emergency notification system for a portable device

  • US 8,204,525 B2
  • Filed: 10/13/2010
  • Issued: 06/19/2012
  • Est. Priority Date: 03/31/2006
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • storing emergency broadcast information on a portable device, including storing at least one broadcast technology that is supported by the portable device and at least one emergency broadcast channel associated with the at least one broadcast technology;

    updating the emergency broadcast information with data from a network-based emergency broadcast information data store via over-the-air programming;

    receiving an emergency alert indicator bit on a control channel of a telephony network with which the portable device communicates, the emergency alert indicator bit indicative of an occurrence of an emergency broadcast at the portable device;

    determining a relevance of the emergency broadcast; and

    in response to determining that the emergency broadcast is relevant as a function of the relevance;

    rendering a notification via the portable device of the occurrence of the emergency broadcast, the notification including the at least a subset of the emergency broadcast information; and

    automatically tuning the portable device to an emergency broadcast channel identified by the emergency broadcast information.

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