Wearable Ring Sensor Layout for Accurate Biometric Contact
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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, incorporating photovoltaic cells and LEDs for prolonged wear and accurate biometric monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional wearable electronics are made bulky to include necessary components, then device functionality is improved, but comfort and wearability deteriorate
Solution Approach 1:
The device is segmented into distinct functional components (sensors, processors, memory, communication modules) distributed across multiple circuit boards within the housing, allowing each component to be optimized independently while maintaining overall device functionality without increasing bulk
Solution Approach 2:
The patent employs flexible printed circuit boards and thin-film technologies to integrate electronic components into a compact, lightweight structure that conforms to the body, eliminating the need for bulky housings while maintaining all necessary device functions
2Ease of operation
If wearable electronics are made compact to improve comfort, then wearability is improved, but measurement accuracy deteriorates due to inconsistent body contact
Solution Approach 1:
The device implements local quality optimization by positioning specific sensor types at strategic locations within the compact housing that maximize contact with particular body sites (e.g., pulse oximetry sensors at the finger tip, temperature sensors at the pulpe), ensuring accurate measurements while maintaining overall device compactness
Solution Approach 2:
The patent incorporates dynamic adjustment mechanisms that allow the device to adapt its contact pressure and sensor positioning in real-time based on detected body movement and contact quality, maintaining measurement accuracy regardless of wear consistency
3Adaptability or versatility
If transparent windows are added for data transmission and charging, then device functionality is improved, but device complexity increases
Solution Approach 1:
The transparent windows serve multiple functions simultaneously: they allow optical data transmission (NFC, RFID), enable wireless power transfer through photovoltaic cells, and provide status indication through integrated LEDs, eliminating the need for separate components for each function and actually reducing overall device complexity
Solution Approach 2:
The patent merges data transmission, power reception, and status indication functions into a single integrated window structure, where the same transparent material and spatial location facilitate all three operations, simplifying the housing design compared to having separate dedicated areas for each function
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, accurate fitness and biometric monitoring with improved data transmission and power management, allowing constant and consistent contact with the skin for reliable health and activity tracking.
Implementation Method 1
at least one concentrated photovoltaic cell configured to receive concentrated light
Implementation Method 2
a base assembly, the base assembly including a concentrated light source directed at the photovoltaic element
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.