Composite Resonator Reflective Plate for Wideband Phase Stability

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Solution Overview

Problem

Existing radio wave control technologies using dielectric lenses are limited in their ability to maintain consistent performance across a wide frequency band, particularly in controlling electromagnetic waves.

Innovation Solution

A radio wave reflective plate comprising a plurality of unit structures and a reference conductor, where the unit structures are arrayed in a plane and connected by a connector, allowing for magnetic or capacitive coupling, and represented by an equivalent circuit with frequency adjustment capabilities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If dielectric lenses are used to control electromagnetic waves, then radio wave control is achieved, but performance consistency across wide frequency band deteriorates

Engineering Contradiction:
Improvefrequency band coverageVSAvoidperformance consistency
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The reflective plate is divided into multiple unit structures, each containing resonators that can be independently designed with specific resonance frequencies. This segmentation allows different frequency ranges to be handled by different unit structures, achieving wide frequency band coverage while maintaining consistent performance through optimized local resonance characteristics

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The resonance frequencies of the resonators are adjusted by changing geometric parameters such as the width, length, and shape of the resonating portions. By optimizing these parameters, the resonators can be tuned to specific frequency ranges, enabling consistent performance across different frequency bands while maintaining adaptability

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If resonator parameters are changed to control radio waves, then radio wave refraction is achieved, but frequency stability deteriorates

Engineering Contradiction:
Improveradio wave control capabilityVSAvoidfrequency stability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The unit structures are designed with resonators that have fixed geometric parameters optimized for specific frequency ranges. This dynamic design allows the structures to naturally resonate at predetermined frequencies, providing frequency stability while maintaining the ability to control radio waves through resonant enhancement at target frequencies

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If unit structures with multiple resonators are used, then frequency adjustment capability is improved, but device complexity increases

Engineering Contradiction:
Improvefrequency adjustment capabilityVSAvoidstructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The complex frequency control function is segmented into multiple simple resonator units, each responsible for a specific frequency range. By arranging these segmented resonators in arrays, the system achieves wide frequency adjustment capability while keeping each individual unit structurally simple and easy to manufacture

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The unit structures are designed with universal configurations where resonators of different geometries can be used to cover different frequency ranges. This multi-functionality allows the same basic unit structure to serve multiple frequency adjustment purposes, reducing overall device complexity while maintaining versatility

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

The solution provides stable radio wave reflection characteristics over a wide frequency band, maintaining linear phase relationships and reducing frequency shifts, thereby enhancing the reflective plate's performance across different frequency ranges.

Implementation Method 1

a connector configured to magnetically or capacitively connect the first resonator and the second resonator

Methodology Applied
Scientific EffectMagnetic coupling: Electromagnetic Induction

Implementation Method 2

a connector configured to magnetically or capacitively connect the first resonator and the second resonator

Methodology Applied
Scientific EffectCapacitive coupling: Capacitance

Implementation Method 3

The plurality of unit structures are represented by an equivalent circuit including two or more resonant circuits

Methodology Applied
Scientific EffectResonance: Resonance

Implementation Method 4

A radio wave reflective plate includes a plurality of unit structures and a reference conductor

Methodology Applied
Scientific EffectElectromagnetic reflection: Reflection

Implementation Method 5

frequency is adjusted by the reference conductor

Methodology Applied
Scientific EffectElectromagnetic coupling: Electromagnetic Induction

Data Source

PatentEP4579955A1Radio wave reflector and composite resonator
Publication Date: 2025.07.02 KYOCERA CORP
  • EP4579955A1 patent drawingFigure 1
  • EP4579955A1 patent drawingFigure 2
  • EP4579955A1 patent drawingFigure 3

AI summary

A radio wave reflective plate includes a plurality of unit structures arrayed in a first plane direction and a reference conductor that is subjected to a reference potential of the plurality of unit structures. The plurality of unit structures are represented by an equivalent circuit including two or more resonant circuits. The reference conductor is disposed below a resonator in a first direction.