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Systems and Methods for Emergency Vehicle Proximity Warnings Using Digital Radio Broadcast

  • US 20160165424A1
  • Filed: 12/03/2015
  • Published: 06/09/2016
  • Est. Priority Date: 12/04/2014
  • Status: Active Grant
First Claim
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1. A method for communicating an emergency alert message from a digital radio broadcast transmission system of a mobile vehicle to a digital radio broadcast receiver system, the method comprising:

  • reading data stored in a memory of a digital radio broadcast transmission system, the data including first data comprising an emergency alert notification code and second data configured to be rendered by end-user digital radio broadcast receivers, the second data comprising an emergency alert message; and

    broadcasting a digital radio broadcast signal including the first and second data using the digital radio broadcast transmission system from a mobile vehicle to end-user digital radio broadcast receivers at a predetermined frequency within an FM commercial broadcast band or an AM commercial broadcast band that is recognized by the digital radio broadcast receivers as an emergency notification frequency, the digital radio broadcast signal having characteristics that enable the signal to be decoded only by digital radio broadcast receivers located within a localized area in a proximity of the transmission system.

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