Connected Bracelet Monitoring with Multi-Sensor Fusion for Anomaly Detection
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Solution Overview
Problem
Existing smartwatches and connected bracelets lack accurate monitoring capabilities in hazardous environments and fail to reliably alert rescue teams, and they do not effectively prevent drowning in children, as they cannot accurately detect anomalies indicative of danger and may generate false alerts.
Innovation Solution
A smartwatch with sensors to measure oxygen levels, heart rate, ascending and descending blood flows, and cutaneous temperature, along with a processor for data analysis and a location device for geolocation, and a connected bracelet with sensors for physiological parameters, which can detect anomalies and alert authorities, while being difficult for children to remove.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If existing smartwatches and connected bracelets are used for monitoring, then basic physiological measurements can be obtained, but accurate monitoring capabilities in hazardous environments are lacking and false alerts are generated
Solution Approach 1:
The patent combines multiple sensors (optical sensor for SpO2, accelerometer for movement detection, temperature sensor) and multiple analysis criteria (oxygen level threshold, movement threshold, temperature threshold) into an integrated monitoring system. This merging of multiple measurement approaches allows cross-validation of data, improving both measurement precision and alert reliability by reducing false positives that would occur with single-sensor systems
Solution Approach 2:
The system dynamically adjusts monitoring parameters based on environmental context and user activity state. By changing thresholds and sensitivity levels according to measured conditions (e.g., adjusting oxygen level alerts based on altitude, modifying movement thresholds based on activity type), the system achieves higher measurement precision while maintaining reliable alert generation without false positives
2Ease of operation
If simple connected bracelets are used, then they are easy to wear but can be easily removed by children
Solution Approach 1:
The bracelet is designed with an ergonomic curved shape that conforms to the child's wrist anatomy. This curved design, combined with the flexible band structure, creates a comfortable fit that is difficult for children to remove while remaining easy for parents to put on. The curvature distributes pressure evenly, preventing discomfort that would lead to removal
Solution Approach 2:
The bracelet employs flexible materials and a thin-profile design that adapts to the wrist's shape and movement. This flexibility allows easy insertion while the friction and conformal fit created by the flexible structure prevent easy removal by children, maintaining continuous monitoring reliability without compromising ease of initial wearing
3Measurement precision
If multiple sensors are added to improve monitoring accuracy, then measurement precision improves but device complexity increases
Solution Approach 1:
The processor is designed to perform multiple functions: it processes data from the optical sensor for SpO2 measurement, analyzes accelerometer data for movement detection, monitors temperature sensor output, and coordinates alert generation. This multi-functional processor consolidates what would otherwise be separate processing units, enabling high measurement precision through multiple sensors while managing device complexity through a single versatile processing core
Solution Approach 2:
The patent merges the processing functions for multiple sensor types into a single integrated processing unit that handles optical, mechanical, and thermal data. By combining these processing responsibilities and using a unified alert generation system that evaluates all sensor inputs together, the device achieves high measurement precision through multiple sensors while keeping the overall system complexity manageable
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
The smartwatch provides reliable continuous supervision and accurate data analysis, enhancing user safety in hazardous environments and effectively preventing drowning by reducing false alerts and ensuring timely intervention.
Implementation Method 1
an optical sensor configured to measure the oxygen level in blood of the user by being positioned opposite a radial artery of the wrist of the user
Implementation Method 2
an accelerometer configured to measure vibrations at said radial artery
Data Source
AI summary
An individual monitoring device includes a main body provided with a display screen, a bracelet linked to the main body, a measurement instrument to be positioned opposite a radial artery of the wrist of the user, a processor and a location device. The location device includes a geolocation sensor, an avalanche victim detector and a communications device configured to communicate with a beacon. The device monitors against drowning of a child and includes a first sensor to measure a first parameter physiological parameter of the child, and a second sensor to measure a second physiological parameter of the child. The processor is configured to analyze the first physiological parameter and the second measured physiological parameter, and output information indicating the detection or the non-detection of an anomaly based on the analysis of the first and second physiological parameters.