Method, apparatus and system for placing emergency calls from a vehicle
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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Abstract
A system, apparatus, and method are provided for placing emergency calls from a vehicle to a Public Safety Answering Point. An emergency call apparatus is configured to detect a trigger condition and, if the trigger condition is detected, send a telephone dial command through a vehicle communication network to a telecommunication apparatus to establish voice communication with the Public Safety Answering Point. A method is provided of retrofitting a vehicle with embedded telecommunication apparatus to enable single button access to emergency services without the need for a fee based subscription.
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Citations
9 Claims
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1. A system for placing an emergency call from a vehicle to a public safety answering point, comprising:
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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, and wherein the message originating from the emergency call apparatus is indistinguishable to the telecommunication apparatus from an equivalent message originating from the navigation system. - View Dependent Claims (2, 3)
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4. A method for initiating a call from a vehicle to a public safety answering point, the method comprising:
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detecting, in an emergency call apparatus, a trigger condition; transmitting, from the emergency call apparatus, a message on a vehicle data bus which is indistinguishable from an equivalent message configured to be sent by a module other than the emergency call apparatus; and responsive to receiving the message on the vehicle data bus establishing communication between the vehicle and a public safety answering point. - View Dependent Claims (5, 6, 7, 8, 9)
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Specification