Bluetooth Signal Detection for Approaching Accident-Scene Sources
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Solution Overview
Problem
Existing systems fail to provide targeted assistance to accident victims by accurately determining the proximity of individuals to the accident scene, particularly for two-wheeled vehicles, leading to potential misjudgment of injury severity.
Innovation Solution
A method and device utilizing Bluetooth signals to detect nearby radio signal sources and determine their approach or departure from the accident site, enabling wireless transmission of this information to emergency services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If existing accident reporting systems are used, then basic accident notification is provided, but accurate determination of approaching individuals and injury severity assessment is not achieved
Solution Approach 1:
The patent replaces manual assessment methods with automated radio signal detection and analysis systems. The control unit automatically receives radio signals from portable devices, determines proximity based on signal characteristics, and transmits this information to emergency services, eliminating the need for manual voice communication and providing objective, precise proximity measurements.
Solution Approach 2:
The patent introduces radio signals from portable devices as an intermediary to indirectly measure the proximity of individuals to the accident vehicle. Instead of directly detecting the individuals, the system uses their portable devices' radio signals as a mediator to infer position and movement, enabling accurate determination of approaching persons without direct contact or line-of-sight requirements.
2Productivity
If manual voice communication is required for emergency assessment, then detailed information can be obtained, but response time is increased and the process becomes more complex
Solution Approach 1:
The system enables self-service by automatically detecting radio signals, determining proximity of individuals to the accident vehicle, and transmitting this information to emergency services without requiring manual intervention. The control unit autonomously processes signal data and generates proximity information, reducing the need for voice communication and simplifying the emergency response process.
Solution Approach 2:
The patent performs preliminary detection and analysis of radio signals immediately upon accident detection, preparing proximity information before emergency services arrive. This preliminary action provides emergency responders with pre-analyzed data about approaching individuals, eliminating the need for time-consuming on-site assessments and voice communications.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables more precise assessment of injury severity by detecting approaching individuals, potentially reducing the need for voice communication and enhancing emergency response efficiency.
Implementation Method 1
a radio signal receiver that receives radio signals from neighboring radio signal sources
Data Source
Figure 1
AI summary
The invention relates to a method for determining radio signal sources approaching a vehicle involved in an accident, in which radio signals are received by means of a radio signal receiver contained in the vehicle and each signal is assigned to a radio signal source emitting these signals, the change in strength over time of the individual received radio signals is determined, and it is determined, based on the change in strength over time, whether at least one radio signal source is approaching the vehicle involved in the accident.