Wearable Fall Detection Audio Looping Mechanism
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Solution Overview
Problem
Wearable devices, such as smartwatches, struggle to effectively alert emergency services when the user is involved in an accident and unable to respond, as they may not be able to access the device to call for help, despite having the capability to detect incapacitation and connect to networks.
Innovation Solution
Implementing an audio looping mechanism that automatically detects emergencies, such as falls, and repeatedly transmits a customizable audio message to emergency services with location information until the user responds or the emergency is resolved, using a wearable device's sensors and network connectivity to establish a connection with appropriate services like 911 or local emergency numbers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the wearable device automatically detects falls and transmits emergency information without user intervention, then the response time for emergency services is reduced, but the device complexity increases due to automated detection and communication systems
Solution Approach 1:
The device performs preliminary actions by continuously monitoring for fall events and pre-configuring emergency communication protocols before an emergency occurs. When a fall is detected, the system automatically initiates the emergency call sequence without requiring user input, thus reducing emergency response time while managing complexity through pre-programmed routines
Solution Approach 2:
The wearable device serves itself by autonomously detecting falls, determining emergency status, and transmitting information to emergency services without external assistance. The system uses onboard sensors to detect falls, processes the data locally, and automatically initiates communication with emergency contacts, eliminating the need for user intervention while maintaining relatively simple device architecture
2Reliability
If the device continuously monitors for falls and automatically initiates emergency calls, then the reliability of emergency communication is improved, but the energy consumption increases
Solution Approach 1:
The device employs periodic monitoring of fall events rather than continuous active transmission. Sensors continuously detect motion, but the system only activates emergency communication when a fall pattern is detected within a monitoring period. This periodic approach maintains high reliability for emergency detection while significantly reducing overall energy consumption compared to continuous active communication modes
Solution Approach 2:
The system replaces energy-intensive continuous communication with event-triggered communication. Instead of maintaining constant network connectivity for emergency alerts, the device uses low-power motion sensors to detect falls and only activates the communication subsystem when needed, substituting mechanical sensor detection for continuous electronic communication and thereby reducing energy consumption while maintaining reliability
Data Source
AI summary
Techniques are provided for contacting emergency response services when certain conditions are met. In some instances, it may be determined, by a wearable device, whether a user has responded to a first user interface prompt displayed in response to detection of a physical event associated with the user. In accordance with a determination that the user has not responded to the first user interface prompt after expiration of a first time period, certain actions may be performed. For example, a countdown timer may begin to run for a second timer period. During the second period, an audio alert and a haptic alert may be output by the wearable device. In accordance with a determination that the user has not responded to a second user interface prompt prior to expiration of the second time period, a communication channel request may be transmitted to an emergency response service by the wearable device.