Smart Ring Pressure Sensor for Wearing Posture Calibration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional smart rings with photoplethysmography (PPG) sensors face reduced detection accuracy due to incorrect wearing posture and lack of additional functions beyond physiological feature detection.
Innovation Solution
A smart ring equipped with a pressure sensor and an operation processor that detects pressure values and generates operation commands based on preset conditions, enhancing detection accuracy and enabling additional functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a photoplethysmography sensor is used to detect physiological features, then physiological feature detection is enabled, but detection accuracy is reduced due to incorrect wearing posture and palm gestures
Solution Approach 1:
A pressure sensor is introduced as an intermediary component to detect wearing posture and palm gesture conditions. The pressure sensor monitors the contact pressure between the smart ring and the finger, providing information about correct wearing posture. This intermediary sensing mechanism allows the system to distinguish between intentional gestures and incorrect wearing, thereby improving the accuracy of physiological feature detection without complicating the user experience.
2Adaptability or versatility
If only photoplethysmography sensor is used, then device structure remains simple, but functional versatility is limited
Solution Approach 1:
The pressure sensor serves multiple functions within the smart ring system: it detects wearing posture correctness, identifies intentional user gestures for operation commands, and calibrates physiological feature detection accuracy. By making this single component multi-functional, the system achieves enhanced versatility without proportionally increasing complexity. The pressure sensor becomes a universal element that supports both operational control and detection optimization.
3Measurement precision
If pressure sensor is added to detect wearing posture and gestures, then detection accuracy and functional versatility are improved, but device complexity increases
Solution Approach 1:
The pressure sensor is integrated into the existing smart ring structure, merging the new functionality with the existing device architecture. The pressure sensor shares the same housing and power management infrastructure as the photoplethysmography sensor, reducing the overall complexity increase. Both sensors are processed by the same operation processor, which combines their data streams to generate unified output, thereby minimizing the structural overhead of adding multi-sensing capabilities.
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 smart ring improves the accuracy of physiological feature detection by calibrating PPG sensor results with pressure data, and offers enhanced functionality such as detecting correct wearing gestures and supporting diverse applications.
Implementation Method 1
A conventional smart ring utilizes the photoplethysmography (PPG) sensor to detect physiological features of the user
Implementation Method 2
The pressure sensor is adapted to detect a pressure value of the target object applied for the smart ring
Data Source
AI summary
A smart ring with a physiological feature detecting method is applied to a target object. The smart ring includes a pressure sensor and an operation processor. The pressure sensor is adapted to detect a pressure value of the target object applied for the smart ring. The operation processor is electrically connected with the pressure sensor, and adapted to compare the pressure value with a preset condition and determine a behavior of the target object according to a comparison result of the pressure value and the preset condition for generating a related operation command.