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Method, apparatus and system for placing emergency calls from a vehicle

  • US 9,661,664 B2
  • Filed: 09/06/2015
  • Issued: 05/23/2017
  • Est. Priority Date: 04/30/2007
  • Status: Expired due to Fees
First Claim
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1. A system for placing an emergency call from a vehicle to a public safety answering point, comprising:

  • a telecommunication apparatus operatively connected to a vehicle data bus;

    a navigation system operatively connected to the vehicle data bus; and

    an emergency call apparatus connected to a push button switch and to the vehicle data bus,wherein the emergency call apparatus, responsive to pressing the push button switch, transmits a message on the vehicle data bus causing the telecommunication apparatus to establish communication with the public safety answering point, andwherein the message originating from the emergency call apparatus is indistinguishable to the telecommunication apparatus from an equivalent message originating from the navigation system.

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