UV-Light Data Transfer System for Interference-Free Communication

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Solution Overview

Problem

Conventional Li-Fi systems face line-of-sight limitations and interference issues due to the use of visible light, which can be problematic in environments with high data traffic demands and interference from solar light and indoor lighting.

Innovation Solution

A data transfer communication system utilizing UV-light with a wavelength of at or below 250 nm, which is configured to modulate properties such as amplitude, frequency, phase, and polarization, enabling data transmission between a light source and a receiving device while being invisible to the human eye and less susceptible to interference.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If visible light communication (VLC) is used for data transfer, then large modulation bandwidths and wide unlicensed band are achieved, but interference from solar spectrum and indoor lighting occurs

Engineering Contradiction:

Improvedata transfer capacityVSAvoidinterference from solar spectrum and indoor lighting

Core Design Contradiction:

ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent changes the wavelength parameter of the light source from visible light to ultraviolet light (specifically 222 nm). This parameter change moves the communication signal into a spectral band that is free from interference by solar spectrum and indoor lighting, while maintaining the ability to encode data through modulation of amplitude, frequency, phase, or polarization properties

Inventive Principle:

Principle #35Parameter changes

2Ease of manufacture

If infrared light is used for communication, then well-developed technology and extensive use are achieved, but unwanted interference from remote controls, sensors, and LiDAR systems occurs

Engineering Contradiction:

Improvetechnology development levelVSAvoidinterference from remote controls, sensors, and LiDAR

Core Design Contradiction:

Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The patent shifts the operating wavelength from infrared to ultraviolet (222 nm), creating a spectral separation that avoids the infrared bands occupied by remote controls, sensors, and LiDAR systems. This parameter change enables communication without interference from these devices while leveraging the成熟 technology base through adaptation to UV wavelengths

Inventive Principle:

Principle #35Parameter changes

3Object-affected harmful factors

If UV-light with wavelength at or below 250 nm is used for communication, then minimal interference and covert communication capability are achieved, but line-of-sight requirements may be more stringent

Engineering Contradiction:

Improveinterference levelVSAvoidline-of-sight requirement

Core Design Contradiction:

Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The patent employs dynamic modulation of multiple properties (amplitude, frequency, phase, and polarization) of the UV light signal. This dynamic encoding allows the system to adapt to transmission conditions and maintain communication reliability even when strict line-of-sight is not available, as the multiple modulation dimensions provide robustness against signal degradation and environmental variations

Inventive Principle:

Principle #15Dynamics

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 system achieves effective data transfer with reduced line-of-sight requirements and minimal interference, making it suitable for covert communication and sensitive data transfer, such as in military applications, while also being safe for human presence.

Implementation Method 1

The light source is configured for generating and emitting UV-light with a wavelength of at or below 250 nm

Methodology Applied

Scientific EffectUV-light emission: Light

Implementation Method 2

the at least on modulation means for modulating properties of the emitted light from the at least one light source is configured for at least modulating one or more of the amplitude, frequency, phase, and polarization of the UV-light

Methodology Applied

Scientific EffectAmplitude modulation: Phase Modulation

Implementation Method 3

the at least one receiving device is configured for receiving, detecting, and demodulating the UV-light generated by the at least one light source

Methodology Applied

Scientific EffectPhotoelectric detection: Photoelectric Effect

Data Source

PatentEP4550691A1A data transfer communication system using UV-light

Publication Date: 2025.05.07 UV MEDICO AS

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AI summary

A data transfer communication system, the system comprising at least one light source for emitting light, at least one modulation means for modulating properties of the emitted light from the at least one light source, hereby creating at least one modulated signal, at least one transmitting means for transmitting the at least one modulated signal, and at least one receiving device, wherein the light source is configured for generating and emitting UV-light, wherein the at least on modulation means for modulating properties of the emitted light, wherein the at least one transmitting means for transmitting the modulated signal is configured for enabling data transmission between the at least one light source and the at least one receiving device, wherein the at least one receiving device is configured for receiving, detecting, and demodulating the UV-light generated by the light source, allowing for data transfer communication within the data transfer communication system.