Standalone Emergency Call Device with GPS Address Conversion
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Solution Overview
Problem
Current vehicle emergency call systems are not universally applicable and independent of technical conditions, often requiring integration with vehicle electronics or multiple devices, and lack fully automated triggering capabilities, especially when the driver is incapacitated.
Innovation Solution
An emergency call system with a detection unit for recording vehicle position, a control unit for determining address data using digital maps, and a communication unit for transmitting converted data, allowing for fully automated emergency calls without user intervention, using GPS and other sensors to trigger the call and convert data into voice information for transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If emergency call systems require integration with vehicle electronics or multiple devices, then the system can access vehicle data, but the device complexity and installation requirements increase
Solution Approach 1:
The emergency call device is designed as a standalone unit that can operate independently without requiring integration with vehicle electronics. It universally interfaces with standard communication networks (mobile networks, satellite systems) and can access location data through standard GPS receivers, eliminating the need for complex vehicle electronic integration while maintaining full emergency call functionality.
2Extent of automation
If automated triggering is implemented when driver is incapacitated, then emergency response is improved, but false alarms may increase
Solution Approach 1:
The system performs preliminary assessment of emergency conditions by evaluating multiple parameters before triggering an automated call: detection of airbag deployment, measurement of deceleration forces, identification of critical driving situations, and verification of driver unresponsiveness. This multi-step preliminary evaluation ensures that automated triggering occurs only when genuine emergency conditions are present, significantly reducing false alarms while maintaining rapid response capability.
3Adaptability or versatility
If position data is transmitted in standard formats, then compatibility is improved, but the need for complex decoding at receiving end increases
Solution Approach 1:
The system employs an intermediary translation layer that converts various position data formats (GPS coordinates, satellite navigation data, vehicle navigation system data) into a standardized emergency call format. This intermediary processing is performed at the transmitting end, ensuring that receiving systems (emergency services, dispatch centers) receive data in a uniform, easily processable format without requiring complex decoding capabilities, thus simplifying the receiving end while maintaining broad compatibility.
Data Source
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AI summary
According to an embodiment of the invention, an automatic emergency call is transmitted in the form of speech data that contain address information on the vehicle. Said address information is determined by the emergency call device on the vehicle end using the GPS position of the vehicle.