AR Glasses Positioning IoT Devices Indoor Maps

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Solution Overview

Problem

Current home automation systems lack precise positioning of IoT devices, making it difficult to control and differentiate multiple devices of the same type within a room, as they only provide room categorization without exact location information.

Innovation Solution

The method uses AR glasses to determine the position of IoT devices by acquiring an indoor map, determining the AR-position and viewing direction of the glasses, and tracking information to calculate the IoT-position, allowing for precise identification and control of devices without manual input.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If room categorization is used for IoT device positioning, then system complexity is reduced, but positioning precision deteriorates

Engineering Contradiction:
Improvesystem complexityVSAvoidpositioning precision
Core Design Contradiction:
Device complexityVSMeasurement precision

Solution Approach 1:

The patent transitions from 2D room-level categorization to 3D spatial positioning by integrating AR glasses' six-degree-of-freedom tracking data with indoor maps. This dimensional expansion enables precise localization of IoT devices within rooms using spatial coordinates (x, y, z) and orientation information, resolving the contradiction between simplicity and precision.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The patent introduces AR glasses as an intermediary device that bridges the gap between simple room categorization and complex precise positioning. The AR glasses capture spatial information and transmit it to the server, which then provides accurate IoT device positions without requiring complex positioning infrastructure throughout the home.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Measurement precision

If manual position indication is required for IoT devices, then positioning precision is improved, but ease of operation deteriorates

Engineering Contradiction:
Improvepositioning precisionVSAvoidease of operation
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The system enables self-service positioning where AR glasses automatically capture spatial information about IoT devices and transmit it to the server. Users simply need to view devices through the AR glasses, and the system automatically determines their positions based on tracking data and indoor map integration, eliminating manual position indication requirements.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent performs preliminary actions by pre-integrating indoor maps and pre-establishing tracking relationships between AR glasses and IoT devices. When a user points the AR glasses at a device, the positioning information is already available in the system, enabling immediate precise identification without requiring users to manually input positions at the moment of operation.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If multiple IoT devices are controlled through home automation applications, then device functionality is improved, but ease of operation deteriorates

Engineering Contradiction:
Improvedevice functionalityVSAvoidease of operation
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent replaces manual navigation through home automation application interfaces with AR-based visual pointing. Instead of mechanically searching through application menus and device lists, users simply point the AR glasses at the physical device, and the system automatically identifies and controls the corresponding IoT device, significantly improving ease of operation while maintaining full device functionality.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentEP3910967B1Method and device for positioning internet of things devices
Publication Date: 2023.06.14 BEIJING XIAOMI MOBILE SOFTWARE CO LTD
  • EP3910967B1 patent drawingFigure 1
  • EP3910967B1 patent drawingFigure 2
  • EP3910967B1 patent drawingFigure 3~4

AI summary

Method for positioning an internet of things, IoT, device with AR glasses, comprising the steps of: Acquiring an indoor map; Determining a position on the indoor map and a viewing direction of the AR glasses based on initial information of the AR glasses; Receiving from the AR glasses tracking information concerning the IoT device to be positioned; and Determining the position of the IoT device to be positioned from the determined position and viewing direction in combination with the tracking information of the AR glasses.