Pulsed Electromagnetic Field Modules for Low-Power Long-Distance Transmission

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Solution Overview

Problem

Conventional pulsed electromagnetic field (PEMF) treatment devices are large in size and require high power for long-distance magnetic force transmission due to their loop-shaped coil configuration, limiting their application as portable personal devices and posing challenges in controlling magnetic field generation areas and synchronization of magnetic field generation units.

Innovation Solution

A pulsed electromagnetic field generation apparatus utilizing a pair-type electromagnet unit with ferromagnetic plates and permanent magnets, aligned along a central axis, that generates magnetic forces through repulsive and attractive interactions, and includes a multilayer printed circuit board (PCB) pattern to control voltage and frequency, enabling synchronized magnetic field transmission and generation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If loop-shaped coils are used to generate electromagnetic field, then magnetic force can be transmitted to long distance, but device size increases and high power is required

Engineering Contradiction:
Improvepower consumptionVSAvoiddevice size
Core Design Contradiction:
Use of energy by moving objectVSLength of stationary object

Solution Approach 1:

The patent divides the electromagnetic field generation system into multiple independent coil electromagnet modules, each capable of generating magnetic force. By segmenting the system, each module can be optimized for compactness while collectively achieving long-distance magnetic force transmission through coordinated operation of multiple modules arranged in specific geometric patterns.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent transitions from traditional two-dimensional loop coil arrangements to three-dimensional configurations where coil electromagnet modules are positioned at vertices of geometric shapes (tetrahedron, octahedron, icosahedron). This spatial arrangement in three dimensions enables more efficient magnetic field interaction and long-distance force transmission with reduced device footprint.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Use of energy by moving object

If loop-shaped coils are used to generate electromagnetic field, then magnetic force can be transmitted to long distance, but device complexity increases

Engineering Contradiction:
Improvepower consumptionVSAvoidcontrol facility complexity
Core Design Contradiction:
Use of energy by moving objectVSDevice complexity

Solution Approach 1:

The control system is segmented to independently control each coil electromagnet module, with each module having its own control inputs for voltage and frequency. This modular control architecture simplifies the overall control facility by allowing independent optimization and control of each module rather than managing a complex integrated system.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent enables dynamic control of voltage and frequency applied to each coil electromagnet module, allowing the system to adapt operating parameters in real-time. This dynamic control capability optimizes magnetic force transmission efficiency while managing power consumption, reducing the need for oversized control facilities.

Inventive Principle:
Principle #15Dynamics

3Length of stationary object

If single electromagnetic field generation module is used, then device size is reduced, but magnetic force transmission to long distance becomes insufficient

Engineering Contradiction:
Improvedevice sizeVSAvoidmagnetic force transmission
Core Design Contradiction:
Length of stationary objectVSForce

Solution Approach 1:

The patent combines multiple coil electromagnet modules in specific geometric configurations where their magnetic fields interact constructively. By merging the effects of multiple modules positioned at vertices of tetrahedrons, octahedrons, or icosahedrons, the system achieves enhanced long-distance magnetic force transmission while maintaining compact device size.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent utilizes three-dimensional spatial arrangements of multiple coil electromagnet modules at vertices of geometric shapes. This dimensional approach allows magnetic forces to be transmitted in multiple directions simultaneously, achieving long-distance force transmission with a compact modular device structure.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

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 apparatus minimizes device size and power consumption while maximizing therapeutic effects by synchronizing magnetic field generation units, allowing for efficient long-distance magnetic force transmission and controlled magnetic field areas.

Implementation Method 1

coil electromagnets, which generate magnetic forces through repulsive and attractive forces of the coil electromagnets when voltage is applied

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

ferromagnetic plates that transmit the magnetic force transmitted from the ferromagnetic core to a long distance

Methodology Applied
Scientific EffectFerromagnetism: Ferromagnetism

Implementation Method 3

permanent magnets with a direction of a magnetic force determined between a plurality of coil electromagnets to transmit the magnetic force to a longer distance

Methodology Applied
Scientific EffectMagnetism: Magnetism

Data Source

PatentEP4628158A1Pulsed electromagnetic field generation apparatus and driving method for same apparatus
Publication Date: 2025.10.08 ENTWICK INC
  • EP4628158A1 patent drawingFigure 1A~1B
  • EP4628158A1 patent drawingFigure 2A~2C
  • EP4628158A1 patent drawingFigure 3

AI summary

The present invention relates to a magnetic field generation unit, which is a key component for treatment in various treatment devices using a pulsed electromagnetic field, and to a driving method therefor, wherein the magnetic field generation unit includes a magnetic field generation module equipped with two or more coil electromagnets and inner and outer plates of ferromagnetic material to maximize the attraction and repulsion between the electromagnets, and this magnetic generation module is rearranged along a central axis in a horizontal or vertical space, so as to transmit a magnetic force over a long distance at low power through the attraction and repulsion between the magnetic field generation module and a magnetic field generation module on the other side.