Acoustic Relative Position Adjustment for Multi-Device Displays

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Solution Overview

Problem

Manually setting location information between electronic devices is cumbersome and affects user experience, especially when physical relative locations change, complicating the process and degrading visual feedback during collaborative displays.

Innovation Solution

A method and system for automatically adjusting location information in electronic devices, ensuring consistency between the recorded relative location and the physical relative location, using wave transmitters and receivers to detect changes and update settings.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual setting of location information is used, then user control over location data is maintained, but operation complexity increases and user experience deteriorates

Engineering Contradiction:
Improveease of setting location informationVSAvoidcomplexity of location information adjustment
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The system automatically detects the physical relative location between electronic devices using wave transmitters and receivers, and autonomously adjusts location information without requiring user intervention. The device serves itself by performing location detection and information adjustment automatically, eliminating the need for manual setting operations.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical setting operations with an automated system using wave transmitters and receivers to detect location relationships. The mechanical/manual process of finding settings interfaces and manually inputting location data is substituted with an automated acoustic/wave-based detection and adjustment system.

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

2Measurement precision

If manual reset of location information is required after physical location changes, then location accuracy can be maintained, but operation complexity increases and user experience deteriorates

Engineering Contradiction:
Improveaccuracy of location informationVSAvoidease of maintaining location accuracy
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The system continuously monitors the physical relative location between electronic devices using wave transmitters and receivers, and provides feedback to automatically adjust location information when changes are detected. This closed-loop feedback mechanism maintains location accuracy without requiring user awareness or intervention.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system automatically detects location changes and adjusts location information autonomously, serving itself by maintaining accuracy without user involvement. The device self-regulates to keep location information consistent with physical arrangements.

Inventive Principle:
Principle #25Self-service

3Ease of operation

If automated location detection is implemented, then ease of operation improves, but device complexity increases

Engineering Contradiction:
Improveease of location information adjustmentVSAvoidcomplexity of automated detection system
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The wave transmitters and receivers serve multiple functions: they detect physical relative location, enable automated location information adjustment, and can be used for other collaborative display functions. This multi-functionality reduces the need for separate dedicated components.

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

Solution Approach 2:

The patent introduces wave transmitters and receivers as intermediary components that mediate between the physical location and the digital location information. These intermediaries simplify the overall system by providing a standardized way to detect and communicate location relationships.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

Improves user experience by eliminating the need for manual adjustments and maintaining accurate visual feedback during collaborative displays and multi-device interactions.

Implementation Method 1

a first wave transmitter and a second wave transmitter of the first electronic device transmit first wave signals respectively to a first wave receiver and a second wave receiver of the second electronic device

Methodology Applied
Scientific EffectWave transmission: Sound

Data Source

PatentEP4210309B1Method and system for adjusting location information
Publication Date: 2026.01.28 HUAWEI TECH CO LTD
  • EP4210309B1 patent drawingFigure 1~2
  • EP4210309B1 patent drawingFigure 3~4A
  • EP4210309B1 patent drawingFigure 4B

AI summary

This application provides a location information adjustment method and system, and a device. The method includes: A first electronic device determines that a first trigger condition is satisfied, sends a first instruction to enable a first sound wave transmitter to send a first sound wave signal, and sends a second instruction to enable a second sound wave transmitter to send a second sound wave signal. A second electronic device sends a third instruction to enable a first sound wave receiver to receive the first sound wave signal and the second sound wave signal, calculates a first receiving start moment and a second receiving start moment, obtains first location information, determines second location information based on the first receiving start moment, the second receiving start moment, and the first location information, and sends the second location information to the first electronic device. The first electronic device updates third location information by using the second location information. In this application, preset location information in the first electronic device can be automatically adjusted, and a user does not need to manually set the location information, thereby improving user experience.