RF Radiation Cover for Wireless Devices

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Solution Overview

Problem

The increasing exposure to radio frequency (RF) radiation from electronic devices poses potential health risks due to chronic and unavoidable exposure, as current studies often overlook long-term usage and proximity effects, which may lead to DNA damage and other biological effects.

Innovation Solution

A method and apparatus that capture and convert RF radiation emitted from electronic devices into electrical energy, which can be used to drive indicators or perform functions like charging, providing users with visual, auditory, or tactile feedback on radiation levels and motivating them to reduce exposure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If RF radiation is emitted from electronic devices for wireless communication, then wireless connectivity and mobility are enabled, but user exposure to RF radiation increases causing potential health risks

Engineering Contradiction:
Improvewireless connectivityVSAvoidRF radiation exposure
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The patent captures harmful RF radiation emitted by electronic devices and converts it into useful electrical energy through electromagnetic induction. The cover includes a coil assembly that induces electrical current from the RF radiation, which then powers indicator LEDs to display radiation levels, thereby transforming the harmful radiation into a beneficial signaling function.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

2Loss of information

If RF radiation is captured and converted into electrical energy to drive indicators, then user awareness of radiation exposure is improved, but device complexity increases

Engineering Contradiction:
Improveradiation exposure informationVSAvoidcover circuit complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The system is self-powered through electromagnetic induction from the RF radiation itself. The coil assembly generates electrical current directly from the captured RF energy, which automatically powers the indicator LEDs without requiring an external power source or battery, thereby reducing overall device complexity while providing continuous radiation level monitoring.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent combines multiple functions into a single integrated cover assembly: RF radiation capture, electromagnetic energy conversion, and visual indication. The coil assembly serves both as the energy harvesting element and the power source for the indicators, merging the detection and display functions into one unified structure that minimizes additional components.

Inventive Principle:
Principle #5Merging (Combining)

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 allows users to visualize and understand their RF radiation exposure, motivating behavioral changes to minimize exposure and potentially reducing health risks by converting and diverting RF radiation away from the body.

Implementation Method 1

an antenna adapted to capture at least a portion of the RF radiation emitted from the device

Methodology Applied
Scientific EffectRF radiation capture: Absorption (EM radiation)

Implementation Method 2

an RF conversion circuit to receive the captured RF radiation from the antenna and to convert it into electrical energy

Methodology Applied
Scientific EffectRF to electrical energy conversion: Electromagnetic Induction

Data Source

PatentUS9337530B1Cover for converting electromagnetic radiation in electronic devices
Publication Date: 2016.05.10 PERSELL JOSHUA
  • US9337530B1 patent drawing
  • US9337530B1 patent drawing
  • US9337530B1 patent drawing

AI summary

Methods and apparatuses for capturing at least a portion of the radio frequency (“RF”) radiation emitted from an electronic device or other external sources and converting it into electric current that can be used for a number of different functional purposes including to drive a circuit that provides an indication when the RF radiation is captured and its relative intensity. One of the advantages of these techniques is that users can be protected from the potential harmful effects of long-term exposure to the RF radiation emitted from electronic devices, particularly for wireless phones which are often held in close proximity to a user's body. The indication can provide users with an indication that the circuit is redirecting the RF radiation away from their bodies and dissipating it as electrical energy.