Finger-Worn Ring Layout for Accurate Biometric Sensing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional wearable electronics are bulky and intrusive, making them uncomfortable for extended wear and often inaccurate due to inconsistent contact with the body.
Innovation Solution
A wearable computing device in the form of a ring with flexible printed circuit boards and transparent windows for data transmission, battery recharge, and status indication, featuring components like LEDs and photovoltaic cells for prolonged wear and accurate monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional wearable electronics are designed with larger size to accommodate components, then device functionality is improved, but device bulkiness increases making it uncomfortable for extended wear
Solution Approach 1:
The wearable device is divided into modular functional components (sensors, processors, power management, display) that can be independently optimized and arranged on the flexible substrate, allowing functionality to be distributed without increasing overall device volume
Solution Approach 2:
The device utilizes flexible printed circuit boards and thin-film encapsulation technologies to create a ultra-thin profile while maintaining structural integrity and accommodating multiple functional layers, directly reducing device bulkiness
2Volume of moving object
If wearable devices are made smaller to reduce bulkiness, then comfort for extended wear is improved, but device functionality and measurement accuracy deteriorate
Solution Approach 1:
The device employs advanced miniaturization techniques that change the physical parameters of components (smaller transistors, higher density packaging, reduced wavelength antennas) to maintain functionality in a smaller form factor
Solution Approach 2:
The device integrates multiple functional materials and layers (flexible substrates, conductive inks, photovoltaic materials, biocompatible coatings) into a composite structure that delivers full functionality within a minimal volume
3Strength
If wearable devices use opaque housing to protect components, then device durability is improved, but data transmission and status indication efficiency deteriorate
Solution Approach 1:
The device housing transitions from uniformly opaque to having localized transparent or translucent regions specifically at sensor and communication interfaces, allowing optical and electromagnetic signals to pass through while maintaining protective coverage for internal components
Solution Approach 2:
The device incorporates transparent protective coatings and windows that act as intermediaries, allowing light and electromagnetic waves to transmit through while still providing physical protection and environmental sealing for the underlying components
4Manufacturing precision
If wearable devices use rigid structures for component mounting, then manufacturing precision is improved, but device comfort and adaptability to body contours deteriorate
Solution Approach 1:
The device employs dynamically adaptable mounting solutions where rigid components are strategically positioned on flexible substrates that can bend and conform to body contours, with rigid elements providing stable mounting only where structural support is needed
Solution Approach 2:
The device uses flexible printed circuit boards and thin-film encapsulation that provide both mechanical flexibility for body conformity and precise component placement through advanced flexible manufacturing techniques
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 consistent body contact for accurate fitness and health monitoring, including gesture recognition and biometric sensing, while improving data transmission and power management.
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.