Stylus Wellness Monitoring via Continuous Sensor Data Collection
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Solution Overview
Problem
Evaluating a person's wellness state is challenging due to gradual changes in symptoms, which are often not detected by infrequent medical tests. Additionally, traditional tests can be influenced by the person's awareness, leading to inaccurate results.
Innovation Solution
A stylus equipped with inertial measurement units (IMUs), gyroscopes, accelerometers, force/touch/temperature sensors is used to collect wellness-related data. This data includes grip pressure, tilt, touch location, motion, and temperature, which can be obtained during everyday use or through specific tasks. The collected data is used to establish a user profile and track deviations from baseline data, triggering alerts or wellness insights when thresholds are exceeded.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional medical tests are administered infrequently or on a one-time basis, then the testing process remains simple and cost-effective, but the ability to detect gradual changes in wellness state deteriorates
Solution Approach 1:
The system continuously collects wellness data through everyday stylus usage, transforming discrete periodic tests into a continuous monitoring process. Sensors capture grip pressure, motion, and temperature data whenever the stylus is used, enabling ongoing detection of wellness changes without requiring dedicated testing sessions.
Solution Approach 2:
The system leverages existing stylus usage for data collection, turning a routine tool into a self-monitoring device. Users naturally use the stylus for writing and drawing, and the system automatically captures wellness metrics during these activities without requiring separate testing procedures.
2Measurement precision
If traditional tests are performed with the person's full awareness, then the testing process is transparent and controllable, but the accuracy of results deteriorates due to unintended behavior changes
Solution Approach 1:
The stylus automatically monitors wellness metrics during natural usage without requiring user awareness or active participation in testing. The device independently captures data during routine writing and drawing activities, eliminating the need for users to consciously engage in testing protocols.
Solution Approach 2:
The system establishes baseline wellness data during periods of normal, unaware usage before symptoms manifest. By continuously collecting data during natural stylus use, the system creates a reference profile that accounts for individual variations in grip pressure, motion patterns, and temperature, improving subsequent detection accuracy.
3Reliability
If multiple sensors are integrated into the stylus for comprehensive data collection, then the wellness monitoring capability is improved, but the device complexity increases
Solution Approach 1:
The stylus integrates multiple sensor types (force sensors, temperature sensors, motion sensors, IMUs) into a single multi-functional device that serves both as a writing input tool and a wellness monitoring system. This consolidates what would otherwise be separate monitoring devices into one universal instrument.
Solution Approach 2:
The patent combines force sensors, temperature sensors, motion sensors, and inertial measurement units into the stylus housing, merging multiple measurement functions into a single integrated device. The sensors work together to capture comprehensive wellness data during stylus usage.
Data Source
AI summary
A system including a stylus with an inertial measurement unit (IMU) and force/touch/temperature sensors on its sides and/or tip, in some instances in conjunction with force/touch sensors on a tablet computing device or sensors on a watch, is disclosed that obtains measurements such as stylus grip pressure, tilt and touch location, stylus tip pressure, stylus motion, and user temperature. In some instances, these measurements can be obtained through everyday use of the stylus, while in other instances, the user can be prompted to perform certain tasks (e.g., draw specific contours) to assist in data collection. With these measurements, a user profile and baseline profile data can be established and tracked over time, which can include parameters such as tremor amplitude and grip strength. Deviations from baseline profile data can be computed, and when those deviations exceed a threshold, an alert or other wellness insights can be presented to the user.