Physiological Monitoring Ring Inner Ring Light Guide Filtering

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Solution Overview

Problem

Existing physiological monitoring rings face accuracy issues due to interference from external ambient light, which affects the measurement of reflected light and subsequently reduces the precision of physiological data monitoring.

Innovation Solution

The inner ring component incorporates a filtering element and a first light guide element to filter out light of a preset wavelength from external ambient light and guide the reflected light and filtered external light to the light detection component, thereby reducing interference and enhancing accuracy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the light detection component detects both external ambient light and reflected light, then the light detection component can function in ambient lighting conditions, but the measurement accuracy of reflected light is reduced due to external light interference

Engineering Contradiction:

Improvelight detection capability in ambient conditionsVSAvoidreflected light detection accuracy

Core Design Contradiction:

Adaptability or versatilityVSMeasurement precision

Solution Approach 1:

The patent segments the light detection function by introducing a light guide component that selectively guides only reflected light to the light detection component, separating it from external ambient light. This segmentation allows the system to maintain adaptability to ambient conditions while improving measurement precision of reflected light.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The light guide component acts as an intermediary between the finger surface and the light detection component. It selectively transmits reflected light while blocking external ambient light, thereby resolving the contradiction between ambient adaptability and measurement accuracy.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Measurement precision

If a light guide component with filtering element is added to filter external ambient light, then the accuracy of reflected light detection is improved, but the device complexity increases

Engineering Contradiction:

Improvereflected light detection accuracyVSAvoidoptical component structure

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent merges multiple functions into the light guide component: light guidance, wavelength filtering, and ambient light blocking. By combining these functions into a single integrated component rather than separate elements, the patent improves measurement accuracy while minimizing the increase in device complexity.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The light guide component is designed with multi-functionality, serving as both a light guidance structure and a filtering element. This universal design allows the component to perform multiple roles simultaneously, reducing the need for additional separate components and thus limiting the increase in device complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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

This solution effectively reduces the interference of external ambient light on the light detection component, improving the accuracy of reflected light detection and enhancing the precision of physiological information monitoring.

Implementation Method 1

the filtering element is configured to filter light of a preset wavelength

Methodology Applied

Scientific EffectOptical filtering: Filter (optical)

Implementation Method 2

the first light guide element is configured to guide the reflected light and the filtered external ambient light to the light detection component

Methodology Applied

Scientific EffectLight guidance: Waveguide (optics)

Implementation Method 3

the light source is configured to emit detection light toward the user's finger

Methodology Applied

Scientific EffectLight emission: Light

Implementation Method 4

the light detection component is configured to receive the reflected light formed by the detection light reflecting off the surface of the user's finger

Methodology Applied

Scientific EffectLight reflection: Reflection

Data Source

PatentUS20250152101A1Inner ring component for human physiological monitoring ring and the human physiological monitoring ring

Publication Date: 2025.05.15 LEFY HEALTH TECHNOLOGIES LLC

AI summary

An inner ring component for a physiological monitoring ring includes an inner ring, a circuit board, and a conduction component. The installation gap between the inner ring and the circuit board accommodates the circuit board having a light source and a light detection component. The light source emits detection light toward the user's finger, and the light detection component receives the reflected light formed by the reflection of the detection light from the user's finger. The conduction component, located in the installation gap, includes a filter and a first light guide that directs the reflected light to the light detection component. Compared to the prior art, the interference from external ambient light to the light detection component can be reduced, thus improving the accuracy of the light detection component's detection of the reflected light, and in turn improving the precision of the physiological information detected by the inner ring component.