Cap-Mounted Sensor for Adaptive EM Radiation Control

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Solution Overview

Problem

The process of identifying and correcting electromagnetic (EM) compatibility violations in electronic devices is labor-intensive and costly, requiring specialized testing chambers and personnel, and current methods do not efficiently isolate or control EM radiation sources.

Innovation Solution

A measuring apparatus with a cap member and sensor devices that detect EM radiation, coupled with a controller to transmit control signals to alter the operation of electronic components, reducing the need for specialized EMC testing and allowing adaptive control of EM radiation emission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional EMC testing methods are used with specialized chambers and personnel, then measurement accuracy and reliability are improved, but device complexity and cost increase significantly

Engineering Contradiction:

ImproveEMC testing reliabilityVSAvoidtesting system complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts the essential measurement function from complex specialized chambers by using a simplified cap member with integrated sensor devices that can be directly attached to the electronic device under test, eliminating the need for expensive anechoic chambers while maintaining measurement capability

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The measuring apparatus is designed as a universal tool that can test multiple electronic components and devices through the standardized cap member interface, replacing the need for device-specific testing setups and specialized personnel expertise

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Measurement precision

If traditional EMC testing with specialized chambers is used, then measurement precision is improved, but loss of time and productivity decrease

Engineering Contradiction:

ImproveEM radiation measurement precisionVSAvoidtesting time

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The cap member with sensor devices is pre-configured and can be quickly attached to the electronic device before testing, allowing measurements to begin immediately without the time-consuming setup and calibration required by traditional chamber-based systems

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent replaces the mechanical infrastructure of specialized testing chambers with a lightweight, attachable sensor system that uses electronic signal processing to achieve precise measurements without requiring large physical spaces or complex mechanical setups

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Ease of operation

If sensor devices are integrated into the cap member, then ease of operation is improved, but device complexity increases

Engineering Contradiction:

ImproveEM radiation detection easeVSAvoidmeasuring apparatus complexity

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The patent merges the sensor devices, signal processing circuitry, and data output capabilities into the single integrated cap member structure, eliminating the need for separate testing equipment and simplifying the operational workflow while maintaining functional capability

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

This solution reduces development costs, speeds up device release to market, and enables adaptive control of EM radiation to maintain compliance with EM guidelines, potentially identifying and correcting radiation sources more effectively.

Implementation Method 1

at least one sensor device coupled with the cap member and configured to detect electromagnetic radiation emitted by the one or more electronic components

Methodology Applied

Scientific EffectElectromagnetic radiation detection: Electromagnetic Induction

Data Source

PatentUS10101462B2Measuring and controlling electromagnetic radiation emitted by electronic components

Publication Date: 2018.10.16 INTERNATIONAL BUSINESS MACHINE CORPORATION

AI summary

An apparatus and system for measuring electromagnetic radiation emitted by one or more electronic components included on a first substrate, and an associated method of controlling the emitted radiation. The apparatus includes a cap member having an interior surface and an exterior surface, the interior surface defining an interior cavity and arranged to receive at least a portion of the one or more electronic components within the interior cavity. The apparatus further includes at least one sensor device coupled with the cap member and configured to detect electromagnetic radiation emitted by the one or more electronic components. The apparatus further includes at least one conductive pad disposed on the cap member and coupled with the at least one sensor device, wherein the conductive pad is configured to couple with external circuitry to transmit a sensor signal generated by the at least one sensor device responsive to the detected electromagnetic radiation.