Finger-Worn Ring Layout for Comfortable Multi-Sensor Wearables
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Solution Overview
Problem
Conventional wearable electronics are bulky and intrusive, leading to discomfort and reduced usability for extended wear.
Innovation Solution
A wearable computing device in the form of a ring with a flexible printed circuit board and transparent windows for data transmission, battery recharge, and status indication, utilizing concentrated photovoltaic cells and LEDs for power and functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional wearable electronics are used, then functionality and measurement capabilities are provided, but the device becomes bulky and intrusive, reducing comfort for extended wear
Solution Approach 1:
The wearable device is segmented into modular functional components (sensors, processors, memory, communication modules) that can be independently optimized and arranged on flexible substrates, allowing functionality to be distributed across a large area with minimal bulk at any single point
Solution Approach 2:
The device transitions from a three-dimensional bulky form factor to a two-dimensional flexible circuit board configuration that can conform to body contours, distributing electronic components across a large surface area while maintaining extreme thinness and flexibility for comfort during extended wear
2Ease of operation
If device size is reduced to improve comfort, then wearability is enhanced, but measurement precision and functional capabilities may be compromised
Solution Approach 1:
Multiple specialized sensors are segmented and distributed across different locations on the flexible substrate, with each sensor optimized for specific measurement tasks, allowing high measurement precision to be maintained across various body positions and movement scenarios
Solution Approach 2:
Different regions of the flexible device are equipped with locally optimized sensor arrays and electronic components tailored to specific measurement requirements, ensuring that each area provides the necessary measurement precision for its designated function while maintaining overall device thinness
3Adaptability or versatility
If more components are added to enhance functionality, then measurement and monitoring capabilities improve, but device complexity and bulk increase
Solution Approach 1:
The flexible electronic platform employs universal interconnection architectures and multi-functional sensor nodes that can perform multiple measurement and communication functions, reducing the need for separate dedicated components and thereby simplifying overall device structure while maintaining high versatility
Solution Approach 2:
Multiple functional components (sensing elements, signal processing circuits, wireless communication modules, and power management systems) are merged onto a single flexible substrate using integrated circuit technologies, consolidating what would traditionally require multiple separate components into one unified thin-film structure
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 prolonged, comfortable wear with accurate fitness and health monitoring, gesture recognition, and efficient power management through a compact design.
Implementation Method 1
at least one concentrated photovoltaic cell configured to receive concentrated light
Implementation Method 2
concentrated photovoltaic cell configured to receive concentrated light through the transparent external potting
Implementation Method 3
at least one LED configured to emit at least one of visible light, infrared radiation, and ultraviolet radiation through the external potting
Data Source
AI summary
A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.