RF Shielded Clothing Pocket Design
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Solution Overview
Problem
Existing clothing does not effectively shield users from radio frequency (RF) energy emitted by electronic devices stored in pockets, despite concerns about radiation exposure.
Innovation Solution
Integration of a conductive or semi-conductive shield material into clothing pockets, sandwiched between the device and the wearer, with edge treatments to prevent re-radiation and additional resistive layers for enhanced shielding, along with optional antenna structures for improved signal reception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a shield material is integrated into clothing pockets to block RF energy, then protection against RF radiation is improved, but device signal reception deteriorates
Solution Approach 1:
The shield material is applied selectively to specific areas of the pocket (inner surfaces, bottom, or sides) rather than completely enclosing the device. This localized shielding blocks RF radiation from reaching the wearer's body while leaving portions of the pocket open to maintain device signal reception and functionality.
Solution Approach 2:
The pocket shield is divided into multiple separate components (e.g., inner panel, bottom panel, side panels) that can be independently positioned and configured. This segmentation allows optimization of shielding coverage in different areas while maintaining signal reception pathways.
2Object-affected harmful factors
If a complete shield enclosure is used to protect against RF energy, then protection is improved, but device accessibility and usability deteriorates
Solution Approach 1:
The shield is divided into multiple panels (front, back, sides, bottom) that can be independently configured. This allows the device to be accessed by opening specific portions of the pocket while maintaining shielding in other areas, preserving both protection and usability.
Solution Approach 2:
The pocket shield incorporates flexible or movable elements that allow dynamic adjustment of shielding coverage. Users can open or reposition shield portions to access the device while maintaining protection when the device is stored, adapting the shielding level to operational needs.
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
Provides effective protection against RF energy exposure while allowing device functionality and reducing unwanted signal transmission, such as NFC scanning.
Implementation Method 1
a shield layer is applied to the pocket of an article of clothing... shielding to protect the wearer against radio frequency energy
Implementation Method 2
Integration of a conductive or semi-conductive shield material into clothing pockets
Implementation Method 3
additional resistive layers for enhanced shielding
Data Source
AI summary
Clothing for shielding a person from radio frequency energy relating to an electronic device includes a garment adapted to be worn by the person that includes at least one pocket having an inner panel and an outer panel. The pocket is sized to bold the electronic device. The inner panel of the pocket includes an electrically conductive shield material.