UWB Electrical Box Covers for Battery-Free Indoor Device Mapping

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Solution Overview

Problem

Existing ultra-wideband technology solutions for integrating secure spatial location capabilities in smart homes are expensive and time-consuming to retrofit, often requiring battery replacements and facing coverage gaps.

Innovation Solution

Embedding ultra-wideband components in electrical device covers, such as light switch and outlet covers, which are powered by the electrical grid, allowing for continuous operation and reliable location tracking without battery replacements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Duration of action of stationary object

If battery-powered ultra-wideband devices are used for spatial location tracking, then portable operation is achieved, but continuous operation is compromised due to battery replacements and coverage gaps

Engineering Contradiction:
Improvecontinuous operation durationVSAvoidlocation tracking reliability
Core Design Contradiction:
Duration of action of stationary objectVSReliability

Solution Approach 1:

The electrical device cover serves itself by drawing power from the electrical grid through the electrical box, eliminating the need for external battery power. The ultra-wideband component is powered directly from the electrical infrastructure, enabling continuous operation without battery replacements while maintaining reliable location tracking coverage.

Inventive Principle:
Principle #25Self-service

2Reliability

If existing ultra-wideband technology is retrofitted into smart homes, then spatial location capabilities are achieved, but cost and installation time increase significantly

Engineering Contradiction:
Improvespatial location capabilityVSAvoidretrofit cost and time
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The invention merges the ultra-wideband component with the electrical device cover, combining two separate functions into a single integrated unit. This integration allows the ultra-wideband technology to be deployed through existing electrical infrastructure installations, significantly reducing retrofit costs and installation time while maintaining reliable spatial location capabilities.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The electrical device cover serves multiple functions: it provides electrical connection, physical protection, and now also hosts ultra-wideband spatial location capabilities. This multi-functionality allows a single component to deliver both power distribution and location tracking services, eliminating the need for separate ultra-wideband device installations.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Area of stationary object

If ultra-wideband components are embedded in electrical device covers, then comprehensive spatial coverage is achieved, but device complexity increases

Engineering Contradiction:
Improvespatial coverage areaVSAvoidcover structure complexity
Core Design Contradiction:
Area of stationary objectVSDevice complexity

Solution Approach 1:

The invention segments the ultra-wideband functionality into a separate component that can be independently integrated into the electrical device cover. This modular approach allows the ultra-wideband component to be added without fundamentally redesigning the entire cover structure, maintaining manufacturing simplicity while achieving comprehensive spatial coverage through strategic placement of multiple covers.

Inventive Principle:
Principle #1Segmentation

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 a cost-effective and efficient method for retrofitting homes with ultra-wideband capabilities, ensuring precise positioning and comprehensive spatial mapping for enhanced smart home experiences.

Implementation Method 1

determining, with an ultra-wideband component, a location of the companion electronic devices using an ultra-wideband ranging process

Methodology Applied
Scientific EffectUltra-wideband ranging: Time of Flight

Data Source

PatentUS20260043915A1Electronic Devices, Methods, and Systems for Mapping Companion Electronic Devices Using Ultra-Wideband Electrical Device Covers
Publication Date: 2026.02.12 MOTOROLA MOBILITY LLC
  • US20260043915A1 patent drawing
  • US20260043915A1 patent drawing
  • US20260043915A1 patent drawing

AI summary

An electronic device includes a device housing configured as a cover for an electrical box, a power adaptor to receive power from components within the electrical box, and an ultra-wideband component powered by the power adaptor. The ultra-wideband component communicates with at least one electronic device to perform an ultra-wideband ranging process. A method involves capturing images of another electronic device within the environment, determining the location of the other electronic device using ultra-wideband ranging, creating a visual depiction of the environment and the device's location, and presenting this depiction on a user interface. The system enhances smart home applications by integrating ultra-wideband technology into light switch and outlet covers, providing precise location tracking and continuous operation without battery replacements.