Loop Bolometer Array for RF Flux Density Imaging

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Solution Overview

Problem

Current imaging technologies, such as CT, PET, and MRI, are complex and expensive, necessitating the development of more cost-effective and efficient methods for imaging objects with unknown internal structures using radio frequency (RF) radiation.

Innovation Solution

An RF imaging device comprising a source configured to irradiate an object with RF radiation and an array of RF antenna elements, each equipped with a loop bolometer to detect spatial variations in flux density, allowing for image generation and display without the need for expensive proprietary software or complex hardware.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If conventional imaging technologies (CT, PET, MRI) are used to image objects with unknown internal structures, then imaging capability is achieved, but device complexity and cost increase significantly

Engineering Contradiction:
Improveimaging capabilityVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical and proprietary software systems with a simplified electromagnetic field-based detection system using loop bolometers that directly measure RF flux density variations, eliminating the need for complex reconstruction algorithms and proprietary software

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The invention changes the measurement parameter from direct anatomical imaging to RF flux density spatial variations, allowing image generation through processed measurements of electromagnetic field interactions with the object

Inventive Principle:
Principle #35Parameter changes

2Measurement precision

If conventional imaging technologies are used, then imaging capability is achieved, but equipment cost increases significantly

Engineering Contradiction:
Improveimaging capabilityVSAvoidequipment cost
Core Design Contradiction:
Measurement precisionVSEase of manufacture

Solution Approach 1:

The patent employs inexpensive loop bolometer elements that can be manufactured at low cost using standard PCB techniques, replacing expensive proprietary imaging equipment with affordable, mass-producible components

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The invention substitutes expensive specialized imaging hardware with standard electromagnetic detection components and open-processing algorithms, dramatically reducing equipment costs

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Ease of manufacture

If loop bolometers are used to detect RF flux density variations, then imaging cost is reduced, but measurement precision requirements increase

Engineering Contradiction:
Improveequipment costVSAvoidspatial variation detection
Core Design Contradiction:
Ease of manufactureVSMeasurement precision

Solution Approach 1:

The patent introduces signal conditioning circuits as intermediaries between the loop bolometers and processing systems, amplifying and conditioning the微弱 RF flux density variation signals to meet precision requirements

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The invention uses general-purpose signal conditioning and processing components that can handle the measurement precision requirements without requiring specialized expensive equipment

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

Enables the creation of images based on detected RF radiation patterns, providing a cost-effective and efficient imaging solution that can operate in both active and passive modes, suitable for various applications including medical imaging and non-destructive analysis.

Implementation Method 1

Each RF antenna element may include a loop bolometer configured to receive the RF radiation after interaction with the object

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

Each loop bolometer may comprise a resistive loop

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Data Source

PatentUS10788373B2Imaging device with loop bolometer array and related methods
Publication Date: 2020.09.29 UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION INC
  • US10788373B2 patent drawing
  • US10788373B2 patent drawing
  • US10788373B2 patent drawing

AI summary

An imaging device may include an RF source configured to irradiate an object with RF radiation, and an array of RE antenna elements. Each RF antenna element may include a loop bolometer configured to receive the RF radiation after interaction with the object. The imaging device may include a processor configured to generate an image based upon respective outputs from the array of RF antenna elements, and a display coupled to the processor and configured to display the image of the object.