Magneto-Inductive Wireless Data Transfer System

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Solution Overview

Problem

Cable connections pose trip hazards and electrical shock risks, are clumsy, and lead to connector wear due to repeated connection and disconnection, particularly problematic in workplaces and public areas, and can be challenging for physically challenged individuals.

Innovation Solution

A communication system utilizing arrays of magnetically coupled resonant circuits that support magneto-inductive waves, allowing devices to be coupled without traditional connectors and switching electronics, enabling wireless data transfer with increased bandwidth and reduced radiation emissions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If cable connections are used for data transmission, then devices can be connected reliably, but trip hazards and electrical shock risks are created

Engineering Contradiction:

Improveconnection reliabilityVSAvoidtrip hazard and electrical shock risk

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces mechanical cable connections with a wireless magnetic coupling system. Two flat devices with magnetic resonance circuits are positioned close to each other, creating a magnetic field that transfers data without physical contact. This eliminates trip hazards and electrical shock risks while maintaining reliable data transmission.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If traditional cable connectors are used, then data transmission is achieved, but connector wear occurs due to repeated connection and disconnection

Engineering Contradiction:

Improvedata transmission capabilityVSAvoidconnector lifespan

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The invention replaces mechanical connectors with wireless magnetic coupling. The flat devices are simply positioned close to each other to establish data transmission, eliminating repeated plugging and unplugging actions that cause connector wear and reduce lifespan.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Productivity

If manual connector manipulation is required, then cable connections can be established, but operation becomes clumsy and difficult for physically challenged individuals

Engineering Contradiction:

Improveconnection capabilityVSAvoidoperation simplicity

Core Design Contradiction:

ProductivityVSEase of operation

Solution Approach 1:

The patent replaces manual connector manipulation with simple positioning of flat devices. Users only need to bring the devices close together to establish magnetic coupling and begin data transmission, making the operation intuitive and accessible to physically challenged individuals.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

4Productivity

If arrays of magnetically coupled resonant circuits are used, then wireless data transfer with increased bandwidth is achieved, but device complexity increases

Engineering Contradiction:

Improvedata transfer bandwidthVSAvoidsystem structure complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The patent divides the magnetic coupling system into discrete resonant circuits arranged in arrays on flat substrates. Each circuit element is simple, but their collective arrangement enables high-bandwidth wireless data transfer while keeping individual components manageable and the overall structure planar.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent uses magnetic resonance circuits as an intermediary field to transfer data wirelessly between flat devices. The resonant circuits create a magnetic coupling field that mediates data transmission, increasing bandwidth while avoiding direct mechanical or electrical contact.

Inventive Principle:

Principle #24Intermediary (Mediator)

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 eliminates the need for physical connectors, reduces radiation, and enhances data transfer efficiency while ensuring safety by allowing devices to be coupled at any position, increasing accessibility and reducing wear on connectors.

Implementation Method 1

A communication system utilizing arrays of magnetically coupled resonant circuits that support magneto-inductive waves

Methodology Applied

Scientific EffectMagneto-inductive waves: Electromagnetic Induction

Implementation Method 2

arrays of magnetically coupled resonant circuits

Methodology Applied

Scientific EffectMagnetic coupling: Magnetic Field

Data Source

PatentEP2510631B1Common communications device

Publication Date: 2019.04.03 OXFORD UNIVERSITY INNOVATION LTD

Figure 1a~1d
Figure 1e~2
Figure 3

AI summary

A common communications device comprising an array of near-field coupled resonant elements, the elements each comprising a coupling portion comprising a loop portion with free ends, the device being provided in combination with a data transmission unit and a data reception unit, each unit having a coupling portion, the units being arranged to communicate with one another by means of the coupling portion of each unit and the common communications device, the coupling portion of the data transmission unit comprising a resonant element comprising a loop portion arranged to be near-field coupled to the loop portion of a first resonant element of the device, the coupling portion of the data reception unit comprising a resonant element comprising a loop portion arranged to be near-field coupled to the loop portion of a second resonant element of the device not being the first resonant element.