Radar-Based Concealed Surface Imaging System
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Solution Overview
Problem
Current scanning technologies, such as metal detectors and x-ray devices, are inefficient and cumbersome for imaging concealed surfaces covered by opaque outer layers, particularly in security and medical applications.
Innovation Solution
A radar-based scanning system comprising a radar unit, processor unit, memory unit, and display, which uses electromagnetic waves to image concealed surfaces by transmitting waves through opaque layers and generating image data from reflected waves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If metal detectors are used to detect concealed objects, then detection capability is provided, but imaging capability and detail information are lost
Solution Approach 1:
The patent replaces traditional metal detector mechanisms with a radar-based electromagnetic wave system. The radar unit transmits electromagnetic waves that penetrate opaque outer layers and reflect off concealed surfaces, enabling both detection and imaging capabilities. This substitution allows the system to provide detailed images of concealed objects while maintaining broad detection adaptability across different material types.
Solution Approach 2:
The system changes the operating parameters by using electromagnetic waves with specific frequencies that can penetrate opaque materials. By adjusting these electromagnetic parameters, the radar system achieves both the ability to detect concealed objects and the capability to generate detailed images, resolving the information loss problem of traditional detectors.
2Loss of information
If x-ray devices are used to image concealed surfaces, then imaging capability is provided, but device size and health harm increase
Solution Approach 1:
The patent substitutes harmful x-ray radiation with non-ionizing electromagnetic waves from a radar system. These radar waves penetrate opaque outer layers and reflect off concealed surfaces to create images, providing the same imaging capability without the health hazards associated with x-ray radiation. The system maintains detailed imaging while eliminating harmful radiation effects.
Solution Approach 2:
The system converts the reflective property of surfaces, which can be problematic in other contexts, into a beneficial imaging mechanism. By using reflected electromagnetic waves, the radar system creates detailed images of concealed objects without requiring harmful penetrating radiation, thus turning a potential harm into a benefit.
3Loss of information
If full body scanners rotate the subject or scanner to expose all surfaces, then complete imaging is achieved, but scanning time and complexity increase
Solution Approach 1:
The radar system enables continuous imaging of concealed surfaces without requiring the subject or scanner to rotate. The electromagnetic waves continuously penetrate and reflect from all surfaces simultaneously, providing complete surface coverage in a single static scan. This continuous action eliminates the time-consuming rotation process while maintaining complete imaging information.
Solution Approach 2:
The system transitions from a two-dimensional sequential scanning approach (requiring rotation to expose different surfaces) to a three-dimensional simultaneous imaging approach. The radar waves penetrate through opaque layers and capture images of concealed surfaces in multiple dimensions at once, achieving complete coverage without the time loss of sequential rotation.
4Ease of operation
If handheld scanning devices are used, then portability is improved, but scanning capability and reliability deteriorate
Solution Approach 1:
The patent segments the scanning system into a compact handheld radar unit that can be portable while maintaining full scanning capability. The radar unit is designed as a self-contained module with transmitter and receiver antennas that can be held in one hand, yet still provides reliable concealed surface imaging. This segmentation allows portability without sacrificing scanning reliability.
Solution Approach 2:
The system changes the electromagnetic wave parameters to optimize penetration through opaque materials while maintaining a compact handheld form factor. By adjusting frequency and power parameters, the radar unit achieves reliable scanning capability within the constraints of portable device size, resolving the contradiction between portability and reliability.
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 radar-based system provides efficient and non-invasive imaging of concealed surfaces, enabling secure scanning of individuals and packages without the need for bulky equipment or harmful radiation.
Implementation Method 1
The radar unit may comprise at least one transmitter antenna connected to an oscillator and configured to transmit electromagnetic waves through the opaque outer layer towards the concealed surface
Implementation Method 2
at least one receiver antenna configured to receive electromagnetic waves reflected by the concealed surface
Data Source
AI summary
Radar systems and methods for imaging concealed surfaces. A processor receives raw data from the radar and executes an image data generation. A display unit displays an image representing the concealed surface. The radar unit may be incorporated in a handheld scanner, a walkthough scanner, an underfoot scanner, an overhead scanner or the like. Dimensions of the scanning unit may be selected to enable a full body scan of a subject.