Touch Display Dynamic Mode Switching via Trajectory Analysis

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Solution Overview

Problem

Conventional display devices often mismatch the intended operation mode with the manner of tracing on a touch panel, leading to poor operability and requiring operators to manually change modes through a setting screen, which is time-consuming and inconvenient.

Innovation Solution

A display device with a control unit that dynamically sets and changes between linear and circular-arc operation modes based on the characteristic tracing manner, using velocity components, movement distances, and trajectory analysis to ensure the operation mode aligns with the operator's intended method, allowing seamless switching without the need for manual mode changes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If the operation mode is fixed based on initial tracing manner, then the device complexity is reduced, but the ease of operation deteriorates because the operation mode may not match the operator's intention

Engineering Contradiction:
Improveoperation mode controlVSAvoidknob operation
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The operation mode is changed from fixed to dynamic, automatically switching between linear and rotary modes based on real-time detection of the finger's tracing trajectory on the touch panel. The control unit continuously monitors the operation trajectory and determines the appropriate mode during actual use, resolving the contradiction between simplicity and adaptability.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If manual mode selection through setting screen is provided, then the adaptability is improved, but the productivity deteriorates due to time-consuming mode changes

Engineering Contradiction:
Improveoperation mode selectionVSAvoidmode switching speed
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The system performs self-service by automatically detecting the operator's intended mode through trajectory analysis and switching modes without requiring manual intervention. The control unit monitors operation trajectories and autonomously selects the appropriate operation mode, eliminating the need for operators to access setting screens and improving productivity.

Inventive Principle:
Principle #25Self-service

3Ease of operation

If the operation mode is automatically determined from initial tracing, then the ease of operation is improved, but the reliability deteriorates when the determined mode does not match the operator's intention

Engineering Contradiction:
Improveautomatic mode selectionVSAvoidmode determination accuracy
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The system implements feedback by continuously monitoring the operation trajectory during knob operations and adjusting the mode determination based on actual usage patterns. The control unit analyzes the traced path in real-time and switches between linear and rotary modes according to the detected trajectory characteristics, ensuring the mode matches the operator's intention while maintaining automatic operation.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS10860203B2Touch display device having linear and circular arc operation modes
Publication Date: 2020.12.08 YAMAHA CORP
  • US10860203B2 patent drawing
  • US10860203B2 patent drawing
  • US10860203B2 patent drawing

AI summary

In the display device according to the present disclosure, a linear operation mode, in which an image is changed by tracing an operation surface substantially along a straight line, and a circular-arc operation mode, in which an image is changed by tracing the operation surface substantially along a circular arc, are set as operation modes for changing images displayed on the operation surface by tracing an operation surface of a touch panel. A CPU extracts the characteristic manner in which the operation surface is traced based on information acquired from the touch panel when the operation surface is being traced, decides which one of the linear operation mode and the circular-arc operation mode as the operation mode based on the extracted characteristics is the operation mode, and changes to the other operation mode in response to a change in the characteristic manner in which the operation surface is traced.